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May 26th, 2014

Competition Machine’s New BX Rifle System with 3-Lug BAT Action

Gary Eliseo of Competition Machine has developed a new BX Series Tubegun system, designed for an impressive new BAT action, with a smooth, short-throw 3-Lug bolt. The new action is machined with an integral, ring-type recoil lug, which works perfectly in a tubegun installation.

Eliseo Competition Machine Tubegun Chassis Rifle BAT Action F-Class 3-lug

Gary tells us: “We’re very proud of the new BX. We worked closely with BAT Machine of Rathdrum, Idaho to develop this outstanding system. BAT Machine took their excellent three-lug 3LL Action and re-designed the outside to fit in a special tube chassis we designed specifically for it. Two years of development and testing went into this program — we’ve had great success with our F-Class test rifle. The accuracy has been phenomenal!.” This new chassis is available in both F-Class and Long-Range Prone versions. For pricing information and expected delivery dates, call (714) 630-5734 or visit GotXRing.com and click the email link.

Eliseo Competition Machine Tubegun Chassis Rifle BAT Action F-Class 3-lug

Angled Bag-Rider Allows Elevation Adjustment
Note the angled bag-rider or “keel” in the photo below. The angle (higher in front, lower in rear) serves an important function. This allows the shooter to “fine-tune” elevation by sliding the rifle forwards or backwards. This is very effective, and the gun stays nice and stable in the ears of the rear sandbag. No bag-squeezing required.

Eliseo Competition Machine Tubegun Chassis Rifle BAT Action F-Class 3-lug

Story tip from EdLongrange. We welcome reader submissions.
Permalink Gunsmithing, New Product No Comments »
May 23rd, 2014

Forum Member Does Master-Grade Checkering and Carving

Larry Scott, who runs GreatScottShooters.com, has a friend, Ray Mabry, who is a very talented wood-worker and carver. Ray does master-grade decorative work and checkering on gunstocks, and he also carves realistic nature subjects from wood. Larry says: “If you need stock checkering/carving or any wildlife creation, check out a friend of mine, Ray Mabry. His finished products are superb.”

Ray Mabry stock carving checkering

Ray Mabry stock carving checkering

Ray Mabry stock carving checkering

Ray Mabry stock carving checkering

Ray Mabry recently joined the AccurateShooter Forum, and you can see many fine examples of his work in this FORUM Thread. Ray tells us: “I do this work as a hobby. I do checkering and relief-carving on rifles. I also carve out of solid tupelo and bass blocks of wood. Along with rifle stock work, I carve wildlife subjects — I’ve carved eagles, owls, quail, ducks, and even prairie dogs. If you have a project in mind, call me at 270-885-6066 or send email to: rayzr [at] twc.com.”

Ray Mabry stock carving checkering

Permalink Gunsmithing, New Product 1 Comment »
May 7th, 2014

Radical 6″-Wide Offset Pistol for 1000-yard Benchrest

Forum member Eric has built an innovative specialty pistol for long-range benchrest. The gun is chambered in 6.5-284 and built for IBS 1000-yard shooting. Eric originally built the gun with a 3″-wide fore-end, then decided to go with a 6″-wide offset design since the IBS no longer restricts Light Gun Forearms to three inches. Eric explained: “After building the 3″-wide stock I looked at the IBS 1000-yard benchrest rules and found out that there was not a width limit and rails were allowed for a Light Gun stock. I set out to design a 6″ version. I was thinking it should be offset also to help control torque and track straighter. I had a new 6.5mm, 1:8.5″ twist, 1.250″ HV-contour Krieger barrel. I chambered the barrel for 6.5-284 and bedded the stock.”

6.5-284 1000-yard pistol

6.5-284 1000-yard pistol

Eric feeds his pistol Sierra 142gr MatchKings with a load of 51.0 grains of H4831sc. Estimated muzzle velocity with this load is 2900 fps — respectable speed from the short barrel. The gun tracks remarkably well, with very little torque effect, as you can see in the video below.

After initial testing, Eric added a muzzle brake to the barrel. This tamed the recoil considerably. To learn more about Eric’s long-range 6.5-284 pistol, visit our Shooters Forum and READ this POST. To see more videos of the pistol in action (with muzzle brake), visit Eric’s PhotoBucket Album.

6.5-284 1000-yard pistol

Permalink Competition, Gunsmithing, New Product No Comments »
May 6th, 2014

Firearms History Blog Has Scores of Fascinating Tech Articles

Forum Member Roy B. has found a website with scores of well-researched articles about guns and shooting. The Firearms History, Technology & Development Blog features a wide variety of posts on myriad subjects, from early black powder firearms to modern match rifles. The latest entry is a fascinating story on the Richardson R5 gun, an ultra-simple shotgun modeled on home-made, slam-fire weapons used by Filipino guerrilla forces. (David Richardson was a PT-boat officer who fought with resistance forces in the Philippines for three years. Hollywood made a movie based on his wartime activities in the Philippines.)

Richardson R5 Philippine Guerrilla Gun

On the Firearms History Blog, you’ll find tons of information on gun design, barrel-making, action types, and firearms testing equipment. To access hundreds of articles, click on the Firearm History Blog Archive Menu on the left side.

The Effect of Temperature on Ammunition Performance.
(Comment: Summarizes studies by Frankford Arsenal and Burnside Laboratory using IMR powders).

Firearm Myths — Debunking Hollywood Movie Madness.
(Comment: Busts myth that bullet can lift a person off the ground and fling him through the air.)

Testing Firearms: Measuring Chamber Pressure
(Comment: Crusher Gauges were used through until the 1960s, when cheap Piezo-electric tranducers became available.)

Crusher Gauge Pressure Test

Barrel Making: Making a Modern Steel Barrel (Two Parts)
(Comment: Barrel drilling process explained — interesting process.)

Metal Treatments: Ferritic Nitrocarburizing/Melonite/Tenifer
(Comment: Meloniting creates a super-hard surface layer; this has been used to extend barrel life.)

Barrel Making: Forming Rifling with Electric Discharge Machining (EDM)
(Comment: This advanced EDM method can also be used to cut chambers.)

History of Gun Cleaning Methods/Solvents
(Comment: Old-timers used some pretty weird concoctions such as “Rangoon Oil”.)

History and Engineering of Sound Suppressors (Two Parts)
(Comment: Interesting cut-away illustrations of suppressor baffles.)

Utility Firearms: Powder-Activated Tools
(Comment: There are construction tools that use gunpowder to drive fasteners into steel and concrete.)

Testing Firearms: History of Proof Testing (Two Parts)
(Comment: Fascinating article, worth a read.)

Proof Test

More Interesting Articles on RVB Precision Website
These and other articles on the Firearms History Blog will give you many interesting hours of reading — Enjoy! And while you’re cruising the web, definitely check out Roy’s own RVB Precision website. It features many interesting DIY gun and reloading projects, such as Fabricating a 17 HMR Bore Guide, Building a Swivel-Top Varminting Bench, and Fabricating a Unertl-type Scope Mount.

Permalink - Articles, Gunsmithing No Comments »
May 6th, 2014

Texas Gunsmith Gets Patent for Adaptive Multi-Axis Rifle Stock

Sisk Star modular adaptive stock rifleSisk Rifles had been granted U.S. patent # 8,720,099 for a “Multi-Axis Adjustable Buttstock”*. Several other patents are still pending. In the meantime, gunsmith/inventor Charlie Sisk is continuing to develop more applications for his modular, adaptive stock. The complete Tactical Adaptive Rifle (STAR®) rifle stock is now available for short or long action, left or right hand Remington 700s (and clones) for $1395. Complete rifles are available for $6495, built to order. Demos for law enforcement are available on request. To learn more about this stock and other innovative Sisk products, visit Siskguns.com.

Click Photo for full-screen version:
Sisk Star modular adaptive stock rifle

Charlie Sisk
SISK RIFLES
400 County Road 2340
Dayton, TX 77535
(936) 258-4984
Email: charlie [at] siskguns.com

*The patent is set to issue May 13, 2014, so it may not yet appear in patent databases.

Permalink Gunsmithing, New Product 5 Comments »
May 3rd, 2014

Voyeur’s Guide to Barrel Chambering On Rifleman’s Journal

On German Salazar’s Rifleman’s Journal website, you’ll find an excellent 5-Part Series on barrel chambering. The Series, entitled The Voyeur’s Guide to Barrel Chambering, is not intended to be a “how-to” instructional treatise for gunsmiths. Instead, German’s 5-Part Guide is aimed at the end user — the shooter. German explains: “This Series isn’t intended for anyone who owns a lathe; instead it is for those of us who send an action off to get a new barrel installed. Those who have the equipment know what to do and how to do it and I have nothing to teach them. On the other hand, if you’ve ever wondered just what goes into barrel fitting, this is it.”
PART I | PART II | PART III | PART IV | PART V

With well-written text and dozens of very high-quality images, German takes you through the chambering, threading, shoulder-fitting, and crowning processes from start to finish. The idea is to give the “barrel consumer” a clear idea of the processes involved when a barrel blank is converted into functional form, complete with chamber, threaded tenon, fitted breech, and crown.

We highly recommend German’s 5-Part Voyeur’s Guide to Barrel Chambering. German, with the aid of John Lowther (who ran the machines), did a great job. The series has already drawn much attention from our Forum members, along with praise. After reading the articles, John C. from Australia wrote: “Your Chambering articles… really are excellent [and] informative for those of us too scared to watch our gunsmith chamber one of our barrels lest we distract him at a crucial moment!”

We know you’ll learn something from reading through German’s 5-Part Series. And if you see a photo on German’s website that intrigues you, simply click on it to see a larger, higher-resolution version. All the images in the Voyeur Series on RiflemansJournal.com can be zoomed to larger formats.

Permalink - Articles, Gunsmithing, Tech Tip 4 Comments »
April 28th, 2014

De-Gunking a Jewell Trigger — Speedy Shows How

Gunsmiths often have to serve as gun “doctors” as well as gun builders. Gunsmith (and Hall-of-Fame shooter) Thomas “Speedy” Gonzalez was recently asked to fix a trigger problem. A customer was complaining about a trigger that was erratic and “mushy”. Speedy quickly diagnosed the problem. The Jewell trigger was clogged with gunk and sludge — left-over solvents and lubricants had gummed up the mechanisms. Here’s how the cleaning process unfolded…

Speedy: “Gee why would I want to blueprint my Jewell trigger….it has just got a little mushy lately. It may just need some adjustment. Yeah right — take a look at this”:

Speedy Gonzalez Jewell Trigger Cleaning Iosso

Speedy: “Should I go get a tetanus shot now?”

Speedy Gonzalez Jewell Trigger Cleaning Iosso

Gunsmith Mike Bryant comments: “I’ve seen a lot of Remington 700 triggers that were gummed up like [that] Jewell was. Also have seen lots of 700 triggers that had the weight-of-pull screw adjusted [by the owner] to where it had no compression on the spring. I wonder how many of the Remington accidental discharges involved triggers with one or the other of these conditions.”

Speedy: “What?! Powder in trigger as well… hmmmmmm.”

Speedy Gonzalez Jewell Trigger Cleaning Iosso

Clean up done with Iosso Lubricant/Cleaner. Speedy says this is the “Best parts cleaner I have ever found if you don’t have an ultra sonic cleaning tank. I just melted that crud off with a Q-Tip”.

Speedy Gonzalez Jewell Trigger Cleaning Iosso

Same Jewell trigger all happy now — clean as a whistle.

Speedy Gonzalez Jewell Trigger Cleaning Iosso

Trigger ready for final re-assembly, looking better than new. Thanks Speedy!

Speedy Gonzalez Jewell Trigger Cleaning Iosso

Permalink Gunsmithing, Tech Tip 1 Comment »
April 23rd, 2014

Installing a CG Trigger in A Wood Stock

Tech Tip by Mark LaFevers
Our “master fabricator” Mark LaFevers has installed some of the CG Mod 22 triggers from X-Treme Shooting Products. This is an excellent Two-stage Trigger for the Remington 700 type actions. Though advertised as a “drop-in”, Mark found some stock fitting was required when installing this unit in a wood stock. Here is Mark’s brief report.

CG Mod 22 Trigger Installation Tips
Having already installed a CG X-Treme trigger in my Borden-action Eliseo tube gun, I was looking forward to the same easy installation and adjustment process on a friend’s Remington 22-250 in a laminate varminter stock. Where there were no fit issues in the aluminum Eliseo stock, I had to relieve a fair amount of wood at the tang end of the laminate stock inletting. While not difficult, this took a little more time than I had anticipated, using a 3/8″ square file.

The end result was just as satisfying, a two-stage trigger fully independently adjustable with outstanding feel and sensitivity. The adjustment instructions for the CG Mod 22 trigger from X-Treme Shooting Products are clear and easy to follow.

I like to set the length of travel of the first stage long enough to define pulling up to the end of it clearly, with the second stage set just heavy enough that you don’t pull into it accidentally before you are ready. The trigger breaks very cleanly, helping to make the shot either on paper or hunting. It’s nice to find a two-stage trigger with this kind of precise adjustment that also has a safety — an important feature for a hunting gun.

Permalink Gear Review, Gunsmithing 4 Comments »
April 12th, 2014

Remington Recalls Model 700 and Model Seven Rifles with X-Mark Pro Triggers

Remington Arms Company, LLC (Remington) is recalling Model 700 and Model Seven rifles with X-Mark Pro® (XMP) triggers, manufactured from May 1, 2006 to April 9, 2014. The reason for the recall is that “Remington engineers determined that some Model 700 and Model Seven rifles with XMP triggers could, under certain circumstances, unintentionally discharge.” READ Recall Notice.

Remington X-Mark Pro trigger model 700 seven recall

Remington’s investigation determined that some XMP triggers might have excess bonding agent used in the assembly process, which could cause an unintentional discharge. Therefore, Remington is recalling ALL affected products to fully inspect and clean the XMP triggers with a specialized process. Remington has advised customers to immediately cease use of recalled rifles and return them to Remington free of charge. The rifles will be inspected, specialty cleaned, tested, and returned as soon as possible. Remington advises: “Do not attempt to diagnose or repair recalled rifles”.

Remington X-Mark Pro trigger model 700 seven recall

Remington now offers a dedicated website and toll-free hotline to help consumers determine whether their Model 700 or Model Seven rifle(s) are subject to recall.

  • Remington Recall Website: http://xmprecall.remington.com
    On this website you can enter rifle serial number(s) to determine, in seconds, if a particular rifle is subject to recall.
  • Toll-Free Recall Hotline: 1-800-243-9700
    (Prompt #3 then Prompt #1) Monday through Friday, 9 am to 5 pm EDT.

The Remington Recall Notice also says that a visual inspection can reveal if a rifle is subject to recall. You may determine if your rifle is subject to the recall by visually inspecting the face of the trigger.

1) If the face of the trigger is ribbed (see Photo (1) below), your rifle does not have an XMP trigger and is NOT subject to this recall.

2) If the face of the trigger is smooth (see Photo (2) below), your rifle has an XMP trigger and IS subject to this recall. You should immediately seek further assistance by calling 1-800-243-9700 or visiting XMPrecall.remington.com.

Remington X-Mark Pro trigger model 700 seven recall

If You Have A Rifle Subject to Recall
STOP USING YOUR RIFLE. Any unintended discharge has the potential to cause injury or death. Immediately cease use of recalled rifles and return them to Remington free of charge. Rifles will be inspected, specialty cleaned, tested, and returned as soon as possible, at no cost to you. DO NOT attempt to diagnose or repair recalled rifles.

“Remington takes safety extremely seriously,” said Teddy Novin, Director of Public Affairs and Communications. “While we have the utmost confidence in the design of the XMP trigger, we are undertaking this recall in the interest of customer safety, to remove any potential excess bonding agent applied in the assembly process. We have established significant safety and technical resources to determine which rifles are affected and to minimize any risks. Our goal is to have every recalled firearm inspected, specialty cleaned, tested and returned as soon as possible.”

If you have a Model 700 or Model Seven rifle subject to recall, contact Remington right away. Provide the rifle’s serial number and your addresss. Remington will send you pre-paid shipping tags, boxes and written instructions. Remington will cover all related shipping, inspection, and cleaning charges.

Story Tip from EdLongrange. We welcome reader submissions.
Permalink Gunsmithing, News 5 Comments »
April 11th, 2014

Pre-Season Maintenance On Your Rifles

This Article Originally Appeared in Sinclair International’s The Reloading Press.

Pre-Season Gun Maintenance,
by Ron Dague, Sinclair International
Firearms SafetyI give my rifles a pre-season check before the shooting season starts. This starts with a general inspection starting with the butt-plate or recoil pad and making sure that all the screws and adjustable parts (on an adjustable butt-plate) move freely up or down and side to side. If you got caught in rain some of these screws and adjustable parts may not move when needed. I disassemble parts as needed and put rust preventative or a light oil and/or grease on threads and sliding parts. On rifles with recoil pads and fixed butt-plates, make sure the screws are tight and that holes in the stock aren’t stripped out. Make sure there are no cracks in the stock and around the butt-plate. If the recoil pad is glued-on, just make sure it hasn’t come loose.

Next I take the action out of the stock and check for cracks and wear marks. I look at the bedding to make sure that oils and cleaning solvents have not damaged the bedding. While the action is out of the stock, I look for any surface rust or dirt/dust in the recoil lug area and magazine well. Clean as needed and repair or re-bed if needed.

Trigger Assembly and Action
Jewell trigger Remington 700With the barreled action out of the stock, it is a good time to spray out the trigger with cleaner. I use Ronson oil or lighter fluid. [Editor’s Note: Some trigger-makers advise against using any kind of lubricant, grease or oil — so plain lighter fluid is preferred.] After the trigger is cleaned you may want to check the trigger pull weight. If you don’t feel comfortable doing this, take it to a gun smith and have it checked. It is worth every penny to not have a trigger issue and/or a safety malfunction. I also take the bolt apart and clean the firing pin spring and bolt housing with Gun Scrubber or automotive brake cleaner. Then lube the firing pin-spring and firing pin with light oil. I use Kel Lube and/or Butch’s gun oil. Put a small dab of gun grease on the [bolt locking lugs] and cocking ramp.

I will also spray the outside of the action and barrel and give that a light coating of oil for rust prevention. I clean the action with Sinclair’s action cleaning tool. Don’t forget to clean the bore. Even though you didn’t fire the rifle, this makes sure nothing obstructs your barrel.

Checking Metal Fixtures and Fasteners
rifle scope ringsNext I look at the trigger guard and hinged floor plate and make sure it works as designed. Make sure there are no cracks in the trigger guard from an accidental drop. Check guard screws and /or action screws for tightness and tighten to proper spec. There are torque specs for this, but on wood stocks the wood can crush and this should be checked throughout the year as weather change can affect this. My entire collection of rifles are bedded and I just tighten them just snug with screw driver or Allen wrench. The rimfire rifles have a spec of 55 to 74 inch/lbs and I think would carry over to center fire as well. I would caution you about torque wrenches as you need a good quality wrench, and read the directions on how to use it. You can over torque if not careful. Check the swivel studs and bipod to make sure there tight as well. You may want to take scope off and check the base screws and check the rings.

Test Fire the Rifle After Maintenance
After all cleaning and is done and everything is reassembled, take a few rounds out to the range and test fire to make sure everything works as it should. Don’t forget to run 3-5 rounds through the magazine at least two times for function. I look at this as preventive maintenance on the rifle. If you give it a look over you shouldn’t have any trouble during the rifle matches or hunting trip.

Ron Dague
Certified Reloading Instructor
Certified Range Safety Officer
Email: rond [at] sinclairintl.com
Phone: 800-717-8211

Permalink Gunsmithing, Tech Tip 2 Comments »
April 6th, 2014

Tech Tip: How to Cast your Chamber using Cerrosafe

by Bill Gravatt
(This article was written when Bill was President of Sinclair International, Inc.
)
Chamber casting is an easy task for the handloader to perform. A chamber casting is valuable if you run across a firearm that you believe has a custom barrel on it and you want to find out the dimensions of the chamber. Some gunsmiths will chamber a barrel and not mark it properly with the neck dimension or the exact cartridge name or specifications. We also get calls from some customers that have military firearms without cartridge stampings on the barrel; this will help these shooters identify their chambering.

cerrosafe

Another reason to make a chamber casting would be for a die manufacturer to manufacture custom dies for you. A chamber casting is often required when fired cases are not available. Some reloaders will make a chamber casting that shows them the exact configuration of the throat and leade so they can determine what bullets to try. Shooters using cast bullets will make a cast so they can choose a mould that better fits their throat taper and grove/lands diameter.

A product called Cerrosafe is the most common, reliable, and the safest material to use for making chamber castings. Cerrosafe is a metal alloy that has some unique properties which make it ideal for chamber casting. First, it has a relatively low melting point of 158 to 190° Fahrenheit. This makes it easy for the handloader to melt the Cerrosafe in his home shop. Second, it shrinks slightly during cooling which allows it to be extracted from the chamber easily. It then re-expands to the chamber’s original size after about one hour at room temperature. After cooling for about 200 hours, the chamber cast will expand to about .0025″ larger than the actual chamber size. Most good reloading die makers are used to working from Cerrosafe chamber casts.

As we said, using Cerrosafe is fairly easy and comes with complete instructions.

Making a Cerrosafe Chamber Cast — Step by Step:

1. First, clean and dry the chamber and barrel thoroughly.

2. Disassemble the firearm as necessary to gain access to the chamber.

3. Insert a tight fitting cleaning patch with a jag into the bore from the muzzle end to form a plug for the Cerrosafe. The patch should be positioned in the bore, just forward of the throat by approximately ½” to 1”.

4. Heat a Cerrosafe ingot in a small ladle. A heavy cast iron bullet caster’s ladle works fine or a plumber’s ladle. Any source of heat will do (a small propane torch will work fine).

5. Pour the Cerrosafe into the chamber until a little mound forms at the rear of the chamber. Too much and it can become more difficult to remove the cast from the chamber. If this happens, simply heat the barrel a little and re-melt the Cerrosafe. Don’t worry, your barrel gets a bit hotter than 190 degrees during firing.

6. The chamber can be difficult to access, so some people find it easier if they make a pouring tube out of steel, brass, or aluminum tubing to funnel the Cerrosafe into the chamber.

7. After the Cerrosafe has hardened, the chamber casting can be pushed out of the chamber coming from the muzzle end using a cleaning rod or a wooden dowel. It is recommended that you push it out within a half-hour of casting the chamber. We usually push our cast out within a few minutes. If the cast does not push out easily, insert a cleaning rod from the muzzle and tap the rod handle with the palm of your hand to start the cast out of the chamber. You can put a paper towel in the action to catch the cast or lay the rifle on the bench with a towel or bench mat underneath it to catch the cast as it falls from the action. This will prevent damage to the cast.

8. Take your measurements shortly after one hour of cast, and then put the casting away until you need it again. A medicine container or something similar makes a great container. If you are going to keep the cast be sure to mark the cast or the storage container so you know which rifle it came from. If you have no need to keep the cast you can re-melt the Cerrosafe and use it again when you need to make another cast.

This article originally appeared in Sinclair International’s The Reloading Press Blog.
Permalink Gunsmithing, Tech Tip 5 Comments »
March 24th, 2014

Brownells 8th Annual Gunsmith Career Fair Runs April 1-2, 2014

Brownells’ 8th Annual Gunsmith Career Fair will be held at the Des Moines Marriot Downtown in Des Moines, Iowa, April 1-2, 2014. The Brownells Gunsmith Conference & Career Fair is expected to draw hundreds of attendees along with representatives from three dozen potential employers. As in past years, the Career Fair will include gunsmithing seminars along with opportunities for individuals to interview for jobs with arms-makers and government agencies.

Brownells job far.Gunsmith CareerFair.com.

In addition to industry and government representatives, many trade schools and colleges offering gunsmithing programs will be exhibiting at the 2014 Gunsmith fair. Past exhibitors have included:

Colorado School of Trades
1575 Hoyt Street
Lakewood, CO 80215
www.SchoolofTrades.com

Montgomery Community College
1011 Page Street
Troy, NC 27371
www.Montgomery.edu

Murray State College
One Murray Campus
Tishomingo, OK 73460
www.MSCok.edu

Pine Technical College
900 Fourth St. SE
Pine City, MN 55063
www.Pinetech.edu

Pennsylvania Gunsmith School
812 Ohio River Blvd.
Pittsburgh, PA 15202
www.PaGunsmith.edu

Trinidad State Junior College
600 Prospect Street
Trinidad, CO 81082
www.trinidadstate.edu

Wabash Valley College
2200 College Drive
Mt. Carmel, IL 62863
www.iecc.edu

Story tip by EdLongrange. Reader Submissions are welcome.
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