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January 11th, 2024

Access 120+ FREE Tech Articles — Pillar Bedding, Stock Painting, Case Prep, Neck Turning & More

Accurateshooter.com technical articles

AccurateShooter.comReaders who have just recently discovered the Daily Bulletin may not realize that AccurateShooter.com has hundreds of reference articles in our archives. These authoritative articles are divided into multiple categories, so you can easily view stories by topic (such as competition, tactical, rimfire, optics, shooting skills etc.). One of the most popular categories is our Technical Articles Collection. On a handy index page (with thumbnails for every story), you’ll find over 120 articles covering technical and gunsmithing topics. These articles can help you with major projects (such as stock painting), and they can also help you build more accurate ammo. Here are five popular selections from our Technical Articles archive.

pillar Bedding

Stress-Free Pillar Bedding. Richard Franklin explains how to do a top-quality bedding job, start to finish.

On Target Software Review

OnTarget Software Review. Our Editors test free software that measures shot groups with great precision. We explain how to use the program and configure advanced features.

Savage Action Tuning Torque Settings

Savage Action Tuning. Top F-TR shooter Stan Pate explains how to enhance the performance of your Savage rifle by optimizing the torque settings of the action screws.

Precision Case Prep for Reloading

Complete Precision Case Prep. Jake Gottfredson covers the complete case prep process, including brass weight sorting, case trimming, primer pocket uniforming, neck-sizing, and, case-neck turning.

rifle stock painting and spraying

Stock Painting Instructions. Step-by-step guide for stock painting by expert Mike Ricklefs. Mike shows both simple coverage and fancy effects.

Permalink Bullets, Brass, Ammo, Gear Review, Gunsmithing, Tech Tip No Comments »
May 3rd, 2023

Five Great Tech Articles: Bedding, Target Software, Case Prep, Action Torque, Stock Painting

Technical Article AccurateShooter OnTarget, Stock painting, Pillar Bedding

AccurateShooter.comReaders who have just recently discovered the Daily Bulletin may not realize that AccurateShooter.com has hundreds of reference articles in our archives. These authoritative articles are divided into multiple categories, so you can easily view stories by topic (such as competition, tactical, rimfire, optics, shooting skills etc.). One of the most popular categories is our Technical Articles Collection. On a handy index page (with thumbnails for every story), you’ll find over 100 articles covering technical and gunsmithing topics. These articles can help you with major projects (such as stock painting), and they can also help you build more accurate ammo. Here are five popular selections from our Technical Articles archive.

pillar Bedding

Stress-Free Pillar Bedding.
Richard Franklin explains how to do a top-quality bedding job, start to finish.

On Target Software Review

OnTarget Software Review.
Our Editors test free software that measures shot groups with great precision. We explain how to use the program and configure advanced features.

Savage Action Tuning Torque Settings

Savage Action Tuning.
Top F-TR shooter Stan Pate explains how to enhance the performance of your Savage rifle by optimizing the torque settings of the action screws.

Precision Case Prep for Reloading

Complete Precision Case Prep.
Jake Gottfredson covers the complete case prep process, including brass weight sorting, case trimming, primer pocket uniforming, neck-sizing, and, case-neck turning.

rifle stock painting and spraying

Stock Painting Instructions.
Step-by-step guide for stock painting by expert Mike Ricklefs. Mike shows both simple coverage and fancy effects.

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September 16th, 2022

Get Smart — Access AccurateShooter.com’s Tech Articles Archive

AccurateShooter.com technical articles

AccurateShooter.comReaders who have just recently discovered the Daily Bulletin may not realize that AccurateShooter.com has hundreds of reference articles in our archives. These authoritative articles are divided into multiple categories, so you can easily view stories by topic (such as competition, tactical, rimfire, optics, shooting skills etc.). One of the most popular categories is our Technical Articles Collection. On a handy index page (with thumbnails for every story), you’ll find over 120 articles covering technical and gunsmithing topics. These articles can help you with major projects (such as stock painting), and they can also help you build more accurate ammo. Here are six popular selections from our Technical Articles archive.

pillar Bedding

Stress-Free Pillar Bedding. Richard Franklin explains how to do a top-quality bedding job, start to finish.

Gun Safe Technical Buyers Guide

Gun Safe Buyers Guide. Our comprehensive Safe Buyers Guide examines the key features to consider in a safe — Wall Thickness, Volume, Shelving, Fire Rating, Lighting, Weight and more. We also explain the Pros/Cons of Dial vs. Digital (Keypad) locking systems.

Savage Action Tuning Torque Settings

Savage Action Tuning. Top F-TR shooter Stan Pate explains how to enhance the performance of your Savage rifle by optimizing the torque settings of the action screws.

Precision Case Prep for Reloading

Complete Precision Case Prep. Jake Gottfredson covers the complete case prep process, including brass weight sorting, case trimming, primer pocket uniforming, neck-sizing, and, case-neck turning.

rifle stock painting and spraying

Stock Painting Instructions. Step-by-step guide for stock painting by expert Mike Ricklefs. Mike shows both simple coverage and fancy effects.

Ultrasound ultrasonic CAse Cleaning

Ultrasonic Case Cleaning. This article reviews the recommended process for cleaning cartridge brass with ultrasonic cleaning machine. We cover the right liquid solutions, processing times, and case drying options.

Permalink - Articles, Bullets, Brass, Ammo, Reloading, Tech Tip No Comments »
April 3rd, 2022

Sunday GunDay: The Art of Stress-Free Pillar Bedding

richard franklin pillar bedding stress rifle mounting
Richard Franklin’s Step-by-Step Guide to Pillar Bedding

The Art of Stress-Free Stock Bedding

by Richard Franklin
Richard Franklin prepared this article for our readers. Richard tells us: “I’m happy to do pillar-bedding work, but this is a job which many shooters can do themselves, with some practice and the right components. I do suggest you practice first on an old ‘beater stock’. When done right, you end up with a perfect fit of receiver to action, with no twisting, stretching, or compression forces being applied to the receiver through mis-alignment. That’s what I mean by ‘stress-free’.”

This article covers all the steps in the process. If you want to see more, Richard has a 200-minute DVD, Stress-Free Pillar Bedding, that shows the entire job–from start to finish–and contains many tips to help you achieve perfect results. Richard shows how to properly relieve the bedding area, how to make pillars, how to set up the barreled action, and how to test your work to ensure it is truly “stress-free”. In the DVD, Richard does a complete pillar bedding job on both a finished custom stock and a Remington stock. You can order the Pillar Bedding DVD by visiting the Instructional Video page on RichardsCustomRifles.com.

[Editor’s Note: This article was first published a decade ago. So, some of the listed bedding materials may have been enhanced slightly, or the product names may have changed. But the procedures described by Richard are still valid and still achieve great results.]

Before You Begin — Some Comments About Inletting
Richard told us: “You can’t do a great bedding job unless you start with really good inletting. Unfortunately, many ‘inletted stocks’ really require quite a lot of work to get the inletting right. You cannot inlet a stock 100% correctly just using a stock duplicator. That’s one reason I do bedding jobs only on the stocks I make. If the inletting isn’t right, you can have a myriad of problems–such as the holes for the action bolts being in the wrong place, or the stock not having enough clearance for the barrel or the trigger hanger. So, BEFORE you start your bedding job, make sure the inletting is really right. Don’t assume the inletting is really complete (and correct) just because the manufacturer claims that to be the case. This applies to both wood and fiberglass stocks.”

Pillars For Bedding
The BAT action featured in this article has three pillars, with the middle pillar sitting under the front of the trigger guard, and the third pillar at the rear of the guard. More typical installations will use two pillars. For either system, the installation procedures are the same.

In Photo 1, you will see part A, the bottom part of the front pillar which we call the “escutcheon”. Part B, which is a 1/4″ X 28 action bolt that is slightly longer than part C which is the top part of the front pillar. The two parts of the front pillar were machined as one piece and then the escutcheon was cut off just below the shoulder that is inside. This shoulder is for the head of the action bolt to tighten up against. I’ve found that a two-piece pillar has many advantages, particularly for hunting stocks where the underside of the stock is angled (i.e. not parallel with bore axis). I make the pillars I use, machining them from cut-off stainless barrel stubs.

Part D is a 1/4″ X 28 hex-head bolt with the head turned down to 1/4″ which permits the insertion of a hex-head driver to tighten and remove the bolt. This headless bolt will be inserted in the rear tang hole of the action and part E, the rear pillar will be placed on it.

STEP ONE — Getting Started
Photo 2 shows tape on recoil lug, pillars bolted in place and putty in voids. Release agent is polished to a very thin layer. The top half of the front pillar (part C) is placed on the action receiver ring and the bolt (part B) is inserted thru the pillar and tightened against the action. This bolt must have a tapered head on the underside so that, when it is tightened, it will center the top half of the front pillar around the action bolt hole. (This is also true for the middle pillar if the action has a middle bolt.)

PHOTO 2

The headless bolt is inserted into the rear tang hole of the action and the rear pillar is slipped down on it. You will notice in Photo 3, below, that the pillars have the hole drilled oversize so that a 1/4″ bolt has a little space around it. (I like to drill the pillars with a .260″ bit inside.)

The above scenario is the placement of the pillars prior to applying the bedding compound, which I call “Mud”. Devcon 10110 is my bedding compound of choice (and the only product I use) as the mud must set up as hard as concrete and most other epoxies will not do this. Also Devcon shrinks very little if at all. My comments on other bedding compounds are in the sidebar below.

STEP TWO — Relieving the Stock Before Bedding
Relieving the right amount of wood in the area to be bedded–not too much, not too little–is very important to achieving the best results. You need to create some space for the mud to fill around the action, but you don’t want to alter the inletting too much.

PHOTO 3

Photo 3 shows the wood removed from the inside of the stock bedding area. Remove enough wood everywhere except along the top sides of the stock to allow at least 1/8″ to 3/16″ of room for the mud. Remove 1/4″ of wood behind the recoil lug. I like about .012″ clearance on the top inside edges.

NOTE: Leave a small area of original wood just behind the rear tang bolt hole as this wood will determine the elevation of the bedded action in the stock.

Photo 4 shows the tang area of the stock. Note the elevation wood left at tang. Be sure to leave some original wood for the action tang to sit on. This is very important.

STEP THREE — Wrapping Tape on the Barrel
Photo 5 shows the barreled action in the vise. It also shows black electrical tape wrapped around the barrel just behind the front of the stock forearm. Wrap enough tape to hold the front of the barreled action at the proper elevation in the stock.

The idea is that the barreled action does not touch anything except the bit of original “elevation” wood left at the rear tang (behind the pillar) and the forearm resting on the electrical tape. This is very important to obtain 100% stress-free bedding. You want the bore of the barrel to be parallel with the top edge of the stock so wrap just the right amount of tape to ensure this. The tape also centers the barrel in the fore-arm. Done right, the barreled action will be contacting just at two points (tape in front, tang in rear) and the barrel’s bore will be parallel with the top of the fore-arm’s sidewalls.

Comments on Alternative Components and Methods

Bedding Compounds
There are at least a dozen popular products used for rifle bedding. At one time or another, Richard has tried most of them. Devcon 10110 “Plastic Steel® Putty” is the only compound he currently uses and the only product he endorses whole-heartedly. “The Devcon 10110 is expensive, but it is the best bedding product I’ve found. First, it sets up extremely hard. That is very important to the performance and longevity of the bedding job. You want it to get it as hard as concrete. You need it really hard so when you tension the action screws it doesn’t squish down or migrate. Some of the brown stuff other folks use is way too soft. Marine Tex is also too soft. Many products will shrink. Any compound that shrinks is useless in my book. Devcon has absolutely near-zero shrinkage. Acra-Glass I keep in my shop, as it is useful for stock repairs. However I would never bed with Acra-Glass.

Devcon also has just the right consistency — about that of peanut butter. So, it is easy to apply but not runny. It stays in place when I turn the stock upside-down. Devcon is also relatively forgiving to mix–the proportions of the two elements are not super-critical like some other products. I know Marine-Tex can give real problems if you don’t use just the right amount of catalyst. Overall, Devcon does everything you need it to do, and does it exceptionally well. Some other smiths think it’s too expensive–and yes I’ll use $10-$15 worth of Devcon in doing a typical bedding job. But I think the customer deserves the best possible, longest-lasting bedding, and that means Devcon. Among the products I’ve used, Bisonite is my second choice, but I think Devcon will last longer.”

Release Compounds
Richard tells us: “People use all sorts of release compounds and I’ve tried many. I strongly prefer Kiwi shoe polish (neutral color). With the Kiwi, I’ve never had an action stick in the stock. It goes on easy, and you can use a paper towel to polish it very thin and that’s a big benefit. If you have a thin layer of release compound the finished bedding is that much closer to the exact dimensions of the action. I’ve heard of guys using PAM spray. I don’t trust that stuff. The Brownells release compound goes on too thick. Car wax is not a great choice either because it can separate and it gets dusty as it dries. Go with the Kiwi stuff–a little can will last for years. But be sure to use the clear (neutral) kind so you don’t stain your stock or action.”

Clamping and Tension Materials
Read a few articles on pillar bedding and you’ll see many different systems for holding the barreled action to the stock when the bedding compound cures. We’ve seen surgical tubing used, or strips of bicycle inner tube. Some writers have even advocated using mechanical clamps (a bad idea). Richard has tried various tensioning set-ups over the years, and electrical tape is his strong recommendation: “First, let me say it’s crazy to use a C-Clamp or something like that. The clamp will cause a point-load where it attaches and that is just the opposite of what you want.”

Richard has tried many materials: “Surgical tubing I’ve found to be cumbersome to use, and it tends to loosen up during the curing time. Same thing with strips of inner tube. That’s bad news because any loosening or stretching will allow the action to shift. It’s absolutely critical that the action not move one bit while the bedding cures. Once you’ve bedded the action if it dries the wrong way you’ve screwed everything up. Using the electrical tape that isn’t an issue. The tape goes on very tight, doesn’t stretch (if you use enough turns) and I have no fears that the action will shift while curing. Just follow my advice and put a strip of paper towel under the electrical tape so you don’t mar the finish of the barrel or stock.”

Contoured vs. Straight (Flat-top) Pillars
Many factory rifles come with contoured (radiused) pillars, and many gunsmiths prefer to use these. The idea is that the contour provides a better fit with the bottom of round actions. Richard has tried contoured pillars and doesn’t recommend them. He explains: “Most of the contoured pillars don’t really match the contour of the action anyway. And every action is slightly different. Even some of the most favored custom actions aren’t exactly the same from one unit to another. What happens when the contour or curve of the pillar is too narrow is that the action touches just the extended top edges of the pillar (left and right of center). That is not as solid as when the action contacts the center of the pillar where the action screw runs. (And those sharp sides of curved pillars tend to point-load and dig into your action.) Also I feel you get a better match of the Devcon to the action with flat-top pillars. What you want is the bedding compound to cradle the action all the way around. I’ve found this works best with flat-top pillars and a very strong, hard compound like Devcon that doesn’t squish down or shrink.”

STEP FOUR–Applying Release Agent and Plumbers Putty
Failure to apply release agent (and putty) properly is a recipe for disaster. One of the most common mistakes novices make when doing bedding jobs is locking in the action. This happens by not covering enough of the action with release agent, not taping off the lug correctly, and not adding putty to plug any slots or spaces into which the mud can migrate. Remember, you are doing a bedding job, not a glue-in job! When you’ve completed the process, you want to be able to pop the action loose without difficulty.

PHOTO 6 — Showing putty and release agent before polishing, tape on lug.

First, remove the trigger, bolt release and spring, and anything else from the bottom of the action. Then, clean the action and recoil lug area with brake cleaner or parts degreaser. Apply plumbers’ putty to any hole or crevice that you don’t want the mud to get into. Wrap two layers of masking tape on the outside edges of the lug and trim with a razor blade. Do not apply tape to the front or back of the lug. (Apply tape to the front of the lug only if you do not have a way to remove the hardened mud). Let this tape go right around to the top of the action. Wipe the putty smooth with the brake parts cleaner. I highly recommend neutral Kiwi shoe polish as release agent. Apply liberally to the entire action using a Q-tip to get in around the lug (including front and rear of lug), bolt handle slot and loading port edges. Let the shoe polish dry for 10 minutes and then use a paper towel and buff and polish the release agent as thin as possible. You want any release agent to be as thin as possible so as to let the action set as close as possible to your bedding. You also want to apply release agent to the rear (headless) bolt.

STEP FIVE — Installing the Pillars
Now is the time to place the pillars. Screw the top half of the front pillar and middle pillar (if the action has a middle bolt) to the action with the tapered head bolt. Screw in the headless bolt and slip the pillar down around it. Apply release agent to the area of the guard around the rear bolt hole (and to the rear headless bolt). Apply top and bottom and from the inside out. We don’t want the guard stuck to the bedding. (This guard sits on the bolt head that is secures the middle pillar to the action. We need the guard in place to align the action in the stock.)

Install the trigger guard back in place on the stock as the guard is used to align the barreled action in the stock. Now is the time to make a trial run to ensure that everything fits properly. Slip the upside-down stock down over the pillars with the headless bolt coming up through the rear bolt hole in the guard. See Photo 7. Ensure that the stock is resting on two spots only–the tape you’ve wrapped around the barrel, and the little bit of wood you left behind the tang bolt. Ensure there is room everywhere around the action to accept the mud. The barreled action cannot be touching anywhere except the tape and the tang. Not even on the top edges of the stock.

STEP SIX — Applying the Mud
Mix up a generous portion of the Devcon 10110 Mud and apply to the pillars as shown in Photo 8. Do not get mud on top of the bolt head and front pillar(s). Do apply a little mud on top of the rear pillar and if a little gets on the headless bolt that is OK as you should have applied release agent to this bolt. This will properly bed the guard to the rear pillar. The front bolt that holds the front pillar need not have release agent applied to it. Note, as shown in Photo 8, each pillar has a bolt inserted.

PHOTO 8 — Showing mud on the pillars.

You cannot use too much mud as the hydraulic action of pressing the stock down on the barreled action is going to squeeze the mud everywhere it need to go and the excess will be forced out (falling on the floor for you to step in).

PHOTO 9 — Showing mud applied to stock.

Now apply the mud very generously to the stock as shown in Photo 9 above. If I am not bedding any portion of the barrel shank I will only apply a little mud behind the recoil lug area.

STEP SEVEN — Assembly and Compression
Now slip the upside-down stock down over the pillars as you did in the trial run. Ensure the stock is bottomed-out on the tape at the front end. Squeeze slowly, pressing the rear of the stock down and squeeze out the excess mud. After pressing the stock down, the action area should appear as in Photo 10. During the compression stage, stop a few times and use Q-tips to clean off the excess mud that is squeezing out between action and stock.

PHOTO 10 — Rifle right side up, with the mud squeezed out.

Cut a piece of paper towel about two inches wide by the length of the towel. Lay this on the stock 1.5″ in front of the action. Wrap black electrical tape around the stock and barrel, running the tape over the strip of paper towel. (The towel is to protect the stock finish.) Squeeze the stock and action together while taking wraps with the tape. If you have a skinny, pencil-thin barrel don’t apply too much pressure with the tape as the weak barrel can be curved slightly. That can cause the barrel to touch the stock when everything is done (not good). If you have a big, fat barrel don’t worry about deflection. With a heavy contour tube, whatever bend you put in the barrel will spring back when the tape is removed.

STEP EIGHT — Mud Removal and Curing Time
Using Q-tips, clean up very thoroughly around the front pillar and the bolt head. You need to be able to unscrew the bolt to separate the stock from the rifle and you do not want the bedding protruding above the pillar. (The escutcheon still has to have room to fit in there without touching the end of the pillar.) Before turning the rifle right-side-up, reach under with a few Q-tips and clean off the mud hanging there as it may get inside the action.

Turn the rifle right side up in the vise and, using lots of Q-tips, clean all of the mud off of everything. Remove the excess mud every place you can see it. Use a paper towel to wipe the stock as there could be some invisible mud hiding somewhere on the stock or action. After using Q-tips, I sometimes use Butch’s Bore Shine solvent. It does a good job of removing the mud residue (other solvents with ammonia would work well also).

When you’ve cleaned off all the excess mud. It’s time to let the bedding cure. Lie the rifle upside down with the weight on the rear of the action and about where the tape is on the barrel. Let the gun sit for about 8 to 10 hours or overnight. IMPORTANT, you should remove ALL the excess mud around the action before you let the rifle cure for this time period. Photo 11 shows the rifle upside down, but you want to have the excess mud cleaned off before curing.

PHOTO 11 — Position for curing the mud–but excess should be removed first.

IMPORTANT: Avoiding Mechanical Lock During Bedding
One major problem that can arise when novices bed their own stocks is mechanical lock. This occurs when some part of the action or barrel is trapped below the bedding. Effectively, the barreled action becomes anchored in the stock and can be very difficult to remove. Richard says avoiding mechanical lock is not that difficult, but you must be careful: “Locks usually occur because the bedding is applied too far up. Never, and I repeat, never, bed above the centerline of the action (bore axis), or the widest point of the action (whichever is lower). You need to leave the edge of the bedding at least 1/16″ below the centerline of the action and centerline of the bore axis. I normally leave about 1/8th of vertical clearance. If the widest point of the action is BELOW the bore axis, you have to keep the bedding below that. The other thing to watch out for are projections and holes in the sides of the action. All holes must be filled with plumbers’ putty. All projections–anything that sticks out–need to be removed. If some little part or fixture sticks out, even if you tape it over, and it is below the top of the bedding, it can lock the action in.”

STEP NINE — Popping the Barreled Action Loose
After the required curing time, you need to remove the barreled action to check the beading and fit the pillar escutcheons. If you cleaned away all the excess mud and there are no mechanical locks in the bedding, it should not be difficult to pop the stock loose. You can see how this is done in the short Video Clip from my DVD (Right-Click and “Save As” to download). Here is the procedure.

After the mud has set up and hardened, clamp the barrel in a vise with the gun upside down. The vise should camp just ahead of the forearm. Remove the bolt in the front pillar (and middle pillar) and the headless bolt. Remove the trigger guard.

With the left hand, apply upward pressure to the forearm and then with the right hand slap upward on the forearm. You will hear a crack like you might have busted the stock. Not to worry, that is just the bedding popping free. Now wiggle the stock up off the recoil lug as it is the only thing holding the stock down. [Editors Note: Here’s an older video clip that shows Richard “popping” the stock loose from the barreled action. CLICK HERE to download a 6 Meg Windows media file, or click these links for MPEG (2.3 megs), and Real Media (2.3 megs) versions.]

Remove the tape from the barrel and recoil lug and clean up the putty. Wipe the action down with brake parts cleaner. On the stock, remove the squeezed mud that went into the trigger and bolt release area. Relieve the lug area on both sides and the front. Lay the stock back on the barreled action. Be sure to check under the trigger guard to see if any cleanup of mud is required there. Then re-install the guard and insert the rear action bolt just snug (not tight).

STEP TEN — Installing the Pillar Escutcheons
Pillar escutcheons are a nice extra feature I add to my custom rifles. These are stainless, made from barrel stubs. The two-part front pillar is originally machined as one piece. I believe front pillars with the escutcheons (or outer ring) offer advantages over conventional pillars in terms of strength and alignment.

Before you actually install the escutcheons, you need to do some fit testing. Have a trial run at setting the front bolt to the proper length by placing the escutcheon in the hole and screwing in the bolt. Loosen off the back bolt to see if the bolt that is thru the escutcheon is holding the stock firmly in place. Retighten the rear bolt a wee bit.

Apply release agent to the front bolt, being careful to not get it on the escutcheon. Insert an Allen wrench into the head of the bolt so you can hold it easily. Slip the escutcheon over the bolt. Apply mud to the escutcheon and around the bolt. Photo 12 shows how much mud to put on the escutcheon. You want enough so when you tighten the bolt it will force the mud everywhere it needs to go, even though a bit will be squeezed in around the bolt. Photo 13 shows how the escutcheon should look installed, with the bolt tightened. Photo 14 (below right) shows the escutcheon after the mud has been removed–be sure to remove the excess while the Devcon is still soft.

PHOTOS 13 and 14 — Showing escutcheon before (left) and after mud clean-up (right).

Clean up the excess mud with Q-tips and paper towels. You need to do this before the mud hardens. I used Butch’s Bore Shine as a solvent, once I have removed the excess mud with Q-tips and towels. When the escutcheons are cleaned up, you’ve finished working with the mud. Now let the stock lay for another 8 hours or so to allow the escutcheons to become.

After the mud has hardened around the escutcheon clamp the rifle back in the vise. Remove the back tang bolt first then the front bolt that is through the escutcheon. The bolt will be tight in the hole and sometimes may need to be punched out with a punch unless it has threads right to the head in which case it will screw out. Go in the hole with a .260” bit and clean the mud out of the front pillar. Let the bedding harden for a day or two and then torque the bolts with about 35 inch-lbs of torque on the front bolt and maybe 25 on the tang bolt.

The finished result is an even coat of Devcon with no voids, air pockets, fissures, and perfect stress-free support for the action, as shown in Photo 15.

PHOTO 15 — Completed pillar-bedding job

Photos and text Copyright © 2010 Richard Franklin and AccurateShooter.com, All Rights Reserved.
No reproduction without advanced permission in writing.

Topics: Gunstock, stocks, stocking, laminated stock, wood, pillar bedding, piller, pillars, aluminum pillar, Devcon, putty, stockmaking, Richard Franklin, Richards custom rifles, 10110 Devcon, Acra glass, Brownells, glass bedding, fiberglass, stock bedding, bed, escutcheon, Butch’s Bore Shine.

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October 23rd, 2021

Gun Project Goldmine — 120 FREE Technical Articles

Accurateshooter.com technical articles

AccurateShooter.comReaders who have just recently discovered the Daily Bulletin may not realize that AccurateShooter.com has hundreds of reference articles in our archives. These authoritative articles are divided into mutiple categories, so you can easily view stories by topic (such as competition, tactical, rimfire, optics, shooting skills etc.). One of the most popular categories is our Technical Articles Collection. On a handy index page (with thumbnails for every story), you’ll find over 120 articles covering technical and gunsmithing topics. These articles can help you with major projects (such as stock painting), and they can also help you build more accurate ammo. Here are five popular selections from our Technical Articles archive.

pillar Bedding

Stress-Free Pillar Bedding. Richard Franklin explains how to do a top-quality bedding job, start to finish.

On Target Software Review

OnTarget Software Review. Our Editors test free software that measures shot groups with great precision. We explain how to use the program and configure advanced features.

Savage Action Tuning Torque Settings

Savage Action Tuning. Top F-TR shooter Stan Pate explains how to enhance the performance of your Savage rifle by optimizing the torque settings of the action screws.

Precision Case Prep for Reloading

Complete Precision Case Prep. Jake Gottfredson covers the complete case prep process, including brass weight sorting, case trimming, primer pocket uniforming, neck-sizing, and, case-neck turning.

rifle stock painting and spraying

Stock Painting Instructions. Step-by-step guide for stock painting by expert Mike Ricklefs. Mike shows both simple coverage and fancy effects.

Permalink Gunsmithing, Reloading, Tech Tip No Comments »
March 21st, 2021

Sunday GunDay: Suhl-Action .22 LR Rimfire with Indexed Barrel

Suhl 150 Benchrest Rimfire 22LR

This article was originally written by noted rimfire gunsmith Bill Myers. Sadly, Bill passed away in May 2010, but his legacy lives on. He pioneered many advancements in rimfire gunsmithing and Myers-built guns still win matches in benchrest competition.

Crafting competitive rimfire benchrest rifles is considered an art as much as a science. The smith must understand subtle, yet critical aspects of vibration control, barrel tuning, and rifle balance. In the United States, only a handful of gunsmiths consistently turn out rimfire BR rifles that consistently run at the front of the pack at major matches. Bill Myers was one of those master craftsmen. In this article Bill discussed the process of building a winning rimfire BR rig. He reveals some interesting secrets, including his procedures for testing bedding performance and his barrel indexing system. Bill’s methods obviously work, as the Suhl-actioned rifle featured here won a truckload of trophies in its very first match.

Building a Match-Winning Rimfire Benchrest Rig

by Bill Myers
In my opinion, a winning rimfire benchrest rifle is probably twice as difficult to build as a competitive centerfire rifle. The relatively slow .22 LR bullets stay in the barrel much longer than centerfire bullets. This means that vibration control is critical. Likewise bedding is critical. Bore finish and lapping are very important. The amount of bore taper or “choke” can have a huge effect on accuracy. Ignition is also very important and above all, rimfire BR rifles need a very stable stock that tracks perfectly. A rimfire that shoots great is a complete marriage of all components and of the shooter’s need to be aware of everything possible.

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Myers 22LR

The rifle featured in this article was built from scratch with attention to all the details that go into accuracy. The goal was to build a gun that could win from the get-go. This would be a “Spec Gun”, meaning a rifle that was personally tested and tuned by me for optimum performance before it went out to the customer.

Suhl 150 Benchrest Rimfire 22LR
The Suhl trigger is as good as it gets so no change was needed. It easily adjusts down to about 2 ounces.

Baer Stock in Bubinga Wood
There are many choices when you start to build a complete rifle. It has to shoot well and it has to catch ones eye, or it’s just another rifle on the line. I prefer wood stocks on rimfires for two reasons: they are very stable if the right wood is used and they have a certain traditional appeal to many shooters. I chose Bubinga wood for this particular gun because it is very stable and heavy, it has a very dense grain and a very pronounced figure with a natural red color. The Bubinga is a very forgiving wood to work with.

Suhl 150 Benchrest Rimfire 22LR

Gerry and Bruce Baer in Pennsylvania do all my stock blanks. I do all my own inletting and bedding. The blank weighed 4.5 pounds when it came off of Bruce Baer’s duplicator. This Bubinga wood is so hard that it did not need pillars, but I put them in anyway. I bed all my stocks with Loctite Steel Bed liquid and add filler to desired thickness. The final bedding is done with an aircraft tooling epoxy that does not deteriorate over time. The stock has an ebony butt plate and six (6) coats of automotive clear, polished to a “high buff” finish.

Suhl 150 Benchrest Rimfire 22LR

Suhl 150-1 Action
Suhl 150 Benchrest Rimfire .22 LR 22LRAccurized and BN-Nickel Plated
I used a new, unfired Suhl 150-1 action. As explained in the sidebar below, the Suhl 150 actions were originally crafted in East Germany for position rifles. They have a very fast lock-time and come with an outstanding trigger. However, they need some work when adapted to a modern BR gun. The action needed to be accurized and threaded. I have a special tool that I use to accurize actions. It uses two sets of spiders for dialing-in the bolt raceway. After the bolt raceway is running true, one can thread and true up all bearing surfaces so that everything is in perfect alignment with the action raceway bore.

Suhl Action Myers benchrest .22 LR rimfireBN-Nitride Plating on Action
I decided to plate the action and all bolt parts with Boron Nitride nickel plating. I bough the BN Electroless Nickel Kit from Caswell Plating and did the job myself. I started by bead-blasting the action so that it would end up with a “satin” finish. The plating material is then applied in a tank. The Boron Nitride goes directly into the plating solution, but you need to use a pump to keep the solution agitated so the BN distributes evenly.

Once the action is completely ready (the metal must be perfectly prepped, with no contaminants), the process goes easily and can be completed in about half an hour. The end result is a very slick, low-friction finish, that is .0002″ (two ten-thousandths) thick and hard as glass. The Boron Nitride makes everything very smooth. After the plating job, the action was noticeably slicker than before.

The cone breech (photo below) permits the barrel to be INDEXED (rotated around bore axis) to any position on the clockface. You then test various rotation settings to find the best accuracy. The system does work. Some barrels shoot best in a particular rotational setting. E.g. with index mark at 3 O’clock vs. 12 O’clock.

Suhl 150 Benchrest Rimfire 22LRFitting and Chambering the Barrel
As for a barrel, I had two good choices: one Shilen 1:16″-twist, 4-groove ratchet and one Benchmark 1:16″-twist, 3-groove. Both barrels were very accurate and at the end, I decided to leave the Shilen on the rifle because I wanted to put the Benchmark on another Suhl I’ve set aside for myself. I chambered the barrel for Eley flat nose EPS. We’ve found the gun also shoots the new Lapua X-ACT ammo very well.

The barrel finished at 25″ long and features a tuner by the Harrell brothers of Salem, Virginia. I use a flat 90° crown–it’s the most accurate and its gives a good seal against the tuner. I also use a 45°, 12-flute cutter that leaves no burr when cutting the crown. This chamfer protects the crown when cleaning the barrel. There is no sharp edge for the brush or jag to hit on the return stroke. The barrel was headspaced at .043″ and I use a tapered reamer ground by Dave Kiff of Pacific Tool & Gauge in Oregon. The chamber leade area is lightly polished to remove reamer burrs. The breech end of the barrel is machined with a 1/2″ ball end mill to produce what I call a “Myers cone breech.” Technically, it has a sloping radius as you can see, rather than a straight-sided cone. Finishing the breech in this fashion facilitates indexing the barrel, as the barrel can be rotated to any position (on the clockface), without requiring new extractor cuts.

Barrel Indexing — Finding the “Sweet Spot”

When indexing a barrel, one rotates it to different clockface positions relative to the action. Imagine marking a barrel at TDC or 12 o’clock, and then rotating it so the mark is at 3 O’clock, 6 )’clock, 9 O’clock and so on. At each position one shoots groups to determine at which index setting best accuracy is achieved.*

I know that barrel indexing is controversial. I don’t want to get into a lengthy debate other than to say that I believe that careful and thorough testing can reveal a “preferred” index position for a good barrel. With the barrel set in that particular position relative to the action I believe the barrel can yield optimal performance.

I perform the indexing tests indoors at 50 yards. I use a rail-gun with floating action. The barrel is held in place with a clamping fixture similar to an Anschutz 2000-series action. Basically, two vertically-stacked metal blocks clamp around the barrel. I can index the barrel this way simply by unclamping the barrel blocks, rotating the barrel and then re-clamping the system. I have a special system so the action can stay in the same position, even as the barrel is rotated.

It takes time and effort to get solid indexing results. Normally I shoot at least 400 rounds of ammo in 3-4 indexing sessions. Shooting a handful of groups is not enough. You may think you’ve identified the best index position, but you need to shoot many more rounds to verify that. Also, in a very good barrel, the effects of indexing may be subtle, so it will take many groups to confirm the optimal position. In my experience, really good “hummer” barrels do not benefit as much from indexing as an “average” barrel.

IR 50/50 rimfire targetAccuracy Testing with Both Barrels
I tested the rifle indoors at 50 yards at the Piney Hill Benchrest Club range. There was no finish on the stock, but it shot well in my one-piece rest with the Benchmark 16-twist, 3-groove barrel and no added weight on the tuner. I shot 30 rounds of Eley Match EPS Black Box (1064 fps) and had 25 Xs and five 10s on the IR 50/50 style target. Not too shabby for a new barrel with no special break-in.

When the Shilen barrel arrived, I installed it on the rifle. By this time the stock had been clear-coated and finished, and the action had been polished and plated. I shot the Shilen barrel outside since it was too hot in the building. The first target was a 250-19X with a new lot of Eley Match EPS Black Box (1054 fps). The gun shot well. My friend Tony Blosser asked to shoot the gun, and he drilled a 250-20X in a steady wind using the same Eley ammo. See target at right.

Myers 22LR
Bill Myers Suhl .22 LR Benchrest rifle

Advanced Procedures — Vibration Control and Tuner Position

Barrel Tuning Using 2-Way Electronic Indicators
Before competing with this rifle, I put it in a firing fixture I use to tune the barrel. I employ a pair of very expensive Swiss 2-way electronic min/max hold indicators. These measure both up movement and down movement of the barrel as the gun is fired. I can measure the actual vertical travel of the barrel at any position from the front of the receiver to the tuner. I can also tell how long the barrel vibrates, time-wise. Using this fixture I found that the Shilen barrel was very consistent in readings and seemed to work well with no additional weight on the tuner. No barrel ever stops vibrating completely — but this was close, showing less than .002″ of total movement.

Bedding and Vibration Control
I have found that measuring the actual movement of the barrel during firing tells me a lot about the quality of the bedding. I have learned that if I see very big movements (e.g. .010″ up and .005″ down), then there may be a problem with the bedding. I saw this kind of big swing on a rifle with bedding that had not cured properly.

Another pattern I watch for is uneven vertical movement. For example, if the barrel vibrates .008″ up but only .002″ down, that tells me the bedding has issues. As noted above, I look for minimal vibration travel (after the tuner is fitted and optimized), and I also want that travel to be relatively equal both up and down. Good rimfire gunsmiths agree that proper bedding has an important influence on vibration control and tuning. By measuring actual barrel movement during firing, we can, to an extent, quantify how well the bedding is working. At a minimum, we can see if there’s a serious bedding problem.

Trial by Fire — Shooting the Gun in Competition
After semi-gluing in the action, the rifle was shooting great. So, I decided to take it to the Maryland State Unlimited Championship to see if it was truly competitive — whether it could “run with the big dogs”. As it turns out, the Bubinga Suhl was more than just competitive. The rifle won three of the six cards and won the meters championship. In the photo below you can see all the trophies the gun won in its very first match. One of the other competitors in Maryland, dazzled (and perhaps a bit daunted) by the Bubinga Suhl’s stellar performance, told me: “Sell that gun Bill. Whatever you do, just get that darn rifle out of here.” Confident that this was a rifle capable of winning major matches, I packed up the rifle and shipped it to Dan Killough in Texas. Killough has shot some impressive scores with the gun.

Suhl 150 Benchrest Rimfire 22LR

Suhl Target Rifles — East Germany’s Legacy

Suhl 150 rifles were manufactured in former East Germany (GDR) by the Haenel firearms factory in the town of Suhl. This region has a long history in arms production. In 1751, Sauer & Sohn founded the first German arms factory in Suhl. Following WWII, Suhl 150s were produced for Communist Bloc marksmen, including East German Olympic shooters. Prior to German unification, the East German national shooting arena was located at Suhl and hosted many top-level competitions including the 1986 ISSF World Championships.

Suhl 150 Target Rifle

Superb Rifles with Amazing Triggers
As a product of East Germany, the “mission” of the Suhl 150 was to rival the accuracy of the Anschütz, Walther and other premium match rifles built in the West. East German shooting teams wanted to finish on top of the podium, so they needed a rifle with superb inherent accuracy. The Suhl 150s have an outstanding trigger that can be adjusted down to about two ounces. The Suhl 150 action, like the Anschütz 54, boasts an extremely fast lock-time — an important factor in a position rifle. And Suhl barrels were legendary for accuracy.

Suhl 150 Target Rifle

Suhl 150 Benchrest Conversions
Many of the first used Suhl 150s that made it to America were converted to Benchrest rifles because the action/trigger/barrel combination was unbeatable for the price. Some of the barrels on these “surplus” Suhls were phenomenal — as good as any custom barrels available today. It was not unknown for a Suhl 150 barreled action, transplanted into a benchrest-style stock, to win BR matches with the original barrel. Today, however, most of the Suhl benchrest conversions end up with modern, American-made barrels. While some older Suhl barrels can “shoot with the best of ‘em”, new barrel designs optimized for use with tuners have an edge, at least in benchrest circles. That’s why builders such as Bill Myers swapped out the Suhl barrel with something like a Benchmark reverse-taper two-groove.

Suhl 150 Target RifleToday Suhl 150 rifles are very hard to find in North America. In 2006, a used Suhl 150, even without sights, might fetch $1200.00 or more. Then, in 2007 through early 2008, hundreds of Suhl match rifles were imported. This drove prices down, and those “in the know” snapped up complete Suhl 150s at prices ranging from $450 to $850 (see 2007 advert at right), depending on condition.

Many of these rifles were left “as built” and used successfully in prone competition. Others were converted into benchrest and silhouette rifles, “parted out” for the actions and triggers. If you were able to grab one of those imports at a good price–consider yourself lucky.

Suhl 150 Target Rifle

* Bill Myers actually created his own clamping rimfire action to facilitate barrel indexing. CLICK HERE for Myers Rimfire Action. To index the barrel, Myers simply loosened three clamping-bolts and rotated the barrel in the action. Because there is no thread to pull the barrel in or out, the headspace stays the same no matter how much the barrel is rotated. With a threaded action, you might have to use shims to test different rotational positions, or otherwise re-set the shoulder with each change.

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March 1st, 2020

TECH SAVVY — AccurateShooter’s Technical Articles Archive

AccurateShooter.com technical articles

AccurateShooter.comReaders who have just recently discovered the Daily Bulletin may not realize that AccurateShooter.com has hundreds of reference articles in our archives. These authoritative articles are divided into multiple categories, so you can easily view stories by topic (such as competition, tactical, rimfire, optics, shooting skills etc.). One of the most popular categories is our Technical Articles Collection. On a handy index page (with thumbnails for every story), you’ll find over 120 articles covering technical and gunsmithing topics. These articles can help you with major projects (such as stock painting), and they can also help you build more accurate ammo. Here are six popular selections from our Technical Articles archive.

pillar Bedding

Stress-Free Pillar Bedding. Richard Franklin explains how to do a top-quality bedding job, start to finish.

Gun Safe Technical Buyers Guide

Gun Safe Buyers Guide. Our comprehensive Safe Buyers Guide examines the key features to consider in a safe — Wall Thickness, Volume, Shelving, Fire Rating, Lighting, Weight and more. We also explain the Pros/Cons of Dial vs. Digital (Keypad) locking systems.

Savage Action Tuning Torque Settings

Savage Action Tuning. Top F-TR shooter Stan Pate explains how to enhance the performance of your Savage rifle by optimizing the torque settings of the action screws.

Precision Case Prep for Reloading

Complete Precision Case Prep. Jake Gottfredson covers the complete case prep process, including brass weight sorting, case trimming, primer pocket uniforming, neck-sizing, and, case-neck turning.

rifle stock painting and spraying

Stock Painting Instructions. Step-by-step guide for stock painting by expert Mike Ricklefs. Mike shows both simple coverage and fancy effects.

Ultrasound ultrasonic CAse Cleaning

Ultrasonic Case Cleaning. This article reviews the recommended process for cleaning cartridge brass with ultrasonic cleaning machine. We cover the right liquid solutions, processing times, and case drying options.

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November 6th, 2018

INFO Goldmine — Check Out 120+ Free Technical Articles

Accurateshooter.com technical articles

AccurateShooter.comReaders who have just recently discovered the Daily Bulletin may not realize that AccurateShooter.com has hundreds of reference articles in our archives. These authoritative articles are divided into mutiple categories, so you can easily view stories by topic (such as competition, tactical, rimfire, optics, shooting skills etc.). One of the most popular categories is our Technical Articles Collection. On a handy index page (with thumbnails for every story), you’ll find over 120 articles covering technical and gunsmithing topics. These articles can help you with major projects (such as stock painting), and they can also help you build more accurate ammo. Here are five popular selections from our Technical Articles archive.

pillar Bedding

Stress-Free Pillar Bedding. Richard Franklin explains how to do a top-quality bedding job, start to finish.

On Target Software Review

OnTarget Software Review. Our Editors test free software that measures shot groups with great precision. We explain how to use the program and configure advanced features.

Savage Action Tuning Torque Settings

Savage Action Tuning. Top F-TR shooter Stan Pate explains how to enhance the performance of your Savage rifle by optimizing the torque settings of the action screws.

Precision Case Prep for Reloading

Complete Precision Case Prep. Jake Gottfredson covers the complete case prep process, including brass weight sorting, case trimming, primer pocket uniforming, neck-sizing, and, case-neck turning.

rifle stock painting and spraying

Stock Painting Instructions. Step-by-step guide for stock painting by expert Mike Ricklefs. Mike shows both simple coverage and fancy effects.

Permalink - Articles, Gunsmithing, Reloading No Comments »
April 19th, 2013

Add to Your Knowledge with Our Authoritative Technical Articles

AccurateShooter.comReaders who have just recently discovered the Daily Bulletin may not realize that AccurateShooter.com has hundreds of reference articles in our archives. These authoritative articles are divided into mutiple categories, so you can easily view stories by topic (such as competition, tactical, rimfire, optics, shooting skills etc.). One of the most popular categories is our Technical Articles Collection. On a handy index page (with thumbnails for every story), you’ll find over 100 articles covering technical and gunsmithing topics. These articles can help you with major projects (such as stock painting), and they can also help you build more accurate ammo. Here are five popular selections from our Technical Articles archive.

pillar Bedding

Stress-Free Pillar Bedding. Richard Franklin explains how to do a top-quality bedding job, start to finish.

On Target Software Review

OnTarget Software Review. Our Editors test free software that measures shot groups with great precision. We explain how to use the program and configure advanced features.

Savage Action Tuning Torque Settings

Savage Action Tuning. Top F-TR shooter Stan Pate explains how to enhance the performance of your Savage rifle by optimizing the torque settings of the action screws.

Precision Case Prep for Reloading

Complete Precision Case Prep. Jake Gottfredson covers the complete case prep process, including brass weight sorting, case trimming, primer pocket uniforming, neck-sizing, and, case-neck turning.

rifle stock painting and spraying

Stock Painting Instructions. Step-by-step guide for stock painting by expert Mike Ricklefs. Mike shows both simple coverage and fancy effects.

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May 12th, 2009

FalconPilot's Flashy New Dasher F-Classer

Forum Member Jim (Falconpilot) recently completed “Yeller”, a stunning new F-Class rig, chambered as a 6mm Dasher. Built with a BAT RBLP right-eject action, the gun features a Robertson Composites F-Class stock and Krieger 28″ barrel. With Berger 108gr VLDs, Reloder 15 and Wolf primers, “Yeller” has shot in the ones and low twos at 100 yards.

6mm Dasher

Jim’s new Dasher has already proven itself in competition. This past weekend, Jim took “Yeller” to Camp Robinson. In the very demanding 1000-yard F-class division, Jim shot 197/6X, 197/0x, and a 199/10X. Yeller’s proud owner tells us: “On the final 199/10X relay the one shot that drifted to the 9 rings was about 1″ out — I called the shot, so the gun performed beautifully! Still learning the right ‘hold’ for this stick, but I can tell you that…having a gun that you have complete confidence in makes a huge difference.”

6mm Dasher

We asked Falconpilot about his bright yellow color choice. “The stock came in a basic dark gray and I wanted something that I couldn’t lose on the firing line! The color turned out better than I hoped. The paint is PPG Lemon Ice Yellow, with PPG Clear. I shot a base coat of white, then the Lemon Ice, then clear. Special thanks to Howard Pitts at Pitts Precision for chambering another perfect chamber. A huge thanks to my shooting buddy and friend, Matt Owens of ARKCO Customs for helping me pillar bed the stock, and the use of his equipment. His gun is next, mine was the test subject for us, as neither one of us had ever pillar-bedded a rifle before. The result shown on the target (below) show that we got it right!”

6mm Dasher

6mm Dasher“Yeller” Dasher Gun Specs:
6mm Dasher, .269″ neck, .104 freebore
BAT MB Right Bolt, Left Port, Right Eject
Kreiger 28″, 1.250″ straight, 1:8″ twist
Robertson SG&Y F-Class Stock
Jewell Trigger, Bat Trigger Guard
Nightforce NXS 12-42×56, CH-3, Bat Rings

Loading Tips for the 6mm Dasher
Jim reports: “I’ve found that using Varget while fire-forming forms the cases a little more evenly, but Reloder 15 is my ‘go to’ powder once fire-formed. I resize the brass and bump the shoulders back .0015-.002″ after every firing. Then I’ll tumble-clean the brass. I then use a .265″ bushing in my Redding neck die to resize the necks about 3/4 way down, clean the primer pockets, and reload from there.” As for bullets, Jim adds: “Every Krieger 6mm .237 barrel that I’ve had has shot the 108 especially well.”

Permalink Gunsmithing, Reloading 1 Comment »