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August 25th, 2024

Sunday GunDay: Whidden Smallbore Prone Championship Rifle

john whidden rimfire prone smallbore camp perry cmp championship match winner

John Whidden is a 6-time National High Power Long Range Champion. He has also won major Palma matches in the USA and abroad. But John’s stellar marksmanship skills are not just limited to long range centerfire shooting. This month John added to his impressive list of shooting titles with a notable victory in the 2024 CMP Smallbore (.22 LR Rimfire) Championship match held at Camp Perry, Ohio.

In today’s Sunday GunDay story, John examines that CMP Championship match and the smallbore match rifle he used. This is a unique, one-of a kind rig, put together with a combination of premium components from multiple manufacturers. John’s ultra-accurate .22 LR rifle features a PQP 2500X action, Tec-Hro Fanatic stock, MullerWorks barrel, Uptagrafft Tuner/Bloop Tube, and Anschutz trigger. For different segments of the smallbore competition the rifle is fitted with iron sights or a Nightforce scope.

CMP Match Report — Whidden Wins Match with Final Shot
The 2024 National Smallbore Prone 6400 Aggregate Championship came down to millimeters. The event was part of the Civilian Marksmanship Program’s 2024 National Matches and was the culmination of four straight days of prone competition. Tight qualification matches saw the top three places separated by one point each, with John Whidden of Nashville, GA, leading the pack on the last leg of the match.

john whidden rimfire prone smallbore camp perry cmp championship match winnerWhidden had been consistent throughout his entire National Matches appearance, having only dropped five points in the previous 15 rounds of the competition. His confidence continued as he took each shot. Then, unexpectedly, he pulled one left — just grazing the edge line of the 10-ring. An eye opener, to be sure.

Despite the close call, he pressed on. “A Prone 6400 Match is a marathon, and this, essentially, was a photo finish,” said Brad Donoho, CMP Smallbore Manager.

Whidden took his final shot, another 10. With a sigh of relief, John packed up his gear and walked off the firing line with a perfect score of 400 and the overall Open win in the Smallbore Prone 6400 Aggregate with a score of 6395-515X. “He finished out the match really strong”, Donoho said. “To see it all come down to the last shot was really incredible.”

Winning 2024 CMP Smallbore Prone Championship at Camp Perry

Report by John Whidden
The 2024 CMP Smallbore Prone National Championships are in the history books now. On the day before the match started, the CMP held a metric Dewar match. This was a bit of a warmup match and was well attended. The course of fire was 30 shots at 50 meters and 30 shots at 100 meters. I knew the match would be exciting as I got out of the car — the wind almost took the car door out of my hands! Yes, it was that kind of day.

Usually at the range, I can read the wind acceptably well, but there are occasionally some days when it just won’t come to me. The metric Dewar session was one of those days that I just couldn’t understand the wind indicators. I finished with a score of 575-24X which was below what I’d hoped for. I was feeling slapped around at this point!

john whidden rimfire prone smallbore camp perry cmp championship match winner

Fortunately, the first day of the prone Championships was better. While still fairly windy, I found it much easier to read and finished up with 1599-103X leading the event. We shot iron sights for the first two days, and on day 2 Levi Clark shot the highest score and made up a point on my lead.

Days 3 and 4 are both shot with scopes on the gun. Usually with these scores, we see fewer points dropped. Shane Barnhart won day 3 with a blistering 1600-149X. Going into the last day I was only 1 point ahead and behind on X count. I knew with this tough group of shooters if I shot a 9 anywhere on day 4 I probably wouldn’t win it. I shot very carefully and tried to protect my points lead even if it meant giving up a few Xs along the way.

john whidden rimfire prone smallbore camp perry cmp championship match winner

The day went well but I had a big scare on the next to the last shot. The wind picked up and I shot a 10.0 (these electronic targets will score in decimals) which is ALMOST a 9. I gathered myself for the last shot and felt my heart beating hard. I knew it had to be a good one because second place Nick Mowrer was breathing down my neck. Thankfully the shot stayed in the 10 Ring and I knew I had won the match.

john whidden rimfire prone smallbore camp perry cmp championship match winner

Unique Rimfire Rifle with Premium Action, Stock, Barrel, & Tuner

The rifle I used for the match had just recently been built in our shop. Since opening the rimfire ammunition test range in May of 2024 we had the chance to observe some top-quality components in testing. After noting what was shooting really well, I decided to order a PQP 2500X action, a MullerWorks barrel, and a Uptagrafft Tuner/Bloop Tube. I had already purchased a Tec-Hro Fanatic aluminum stock suitable for the project and had an Anschutz trigger set aside.

john whidden rimfire prone smallbore camp perry cmp championship match winner
john whidden rimfire prone smallbore camp perry cmp championship match winner

MullerWorks has a highly respected standing for their barrels, especially in the rimfire community. I chose a MullerWorks 1:16″-twist barrel and finished it at 26″ OAL. I fitted a Tuner/Bloop Tube from Uptagrafft to the muzzle. This allows me to make the sight radius longer for iron sight matches and has a tuner integrated into the design.

The parts went together well. In the stock, I modified an action adapter that was intended to fit an Anschutz 54 into the Tec-Hro stock. I placed the action as far rearward in the stock as I could to make reaching the loading port easier. A benefit of the Anschutz trigger is that the trigger shoe is more forward than the Remington-type trigger, and this was a noticeable benefit in allowing the action to be mounted far back in the stock.

Call to Action-Maker about Fitting Anschutz Trigger
These PQP 2500X actions accept Remington pattern triggers but I use Anschutz triggers on all of my other prone guns. Because of familiarity I really wanted the Anschutz trigger on the new rifle. On the day before my action was to arrive I contacted Jerry Stiller who designed the action. I asked Jerry if the tang was long enough to retrofit an Anschutz trigger onto the action (Anschutz triggers are very large). He said he didn’t think it would fit. Well, things went well and the next evening I sent him a picture of my Anschutz trigger installed on the action. It has performed marvelously.

Once the rifle was all fitted and assembled, it was time to go to the test range. I shot through all of the ELEY and Lapua ammunition that we had available. One particular lot of ELEY Tenex and one lot of Lapua Center-X stood out as the winners. I shot several groups with each one and couldn’t determine a winner. Accuracy was excellent with group sizes averaging about 13.3mm (0.52″) outside to outside at 50 meters. The next evening I shot some more of each lot of ammunition and again neither ammo type was clearly better than the other. NOTE: 13.3 mm outside to outside is .303″ center to center.

Trying to break the ammunition tie, I decided to adjust the tuner on the third evening. I worked the tuner back and forth and arrived at the best setting. Up until now, I had shot the rifle with the tuner set as it arrived in the box, in this case setting number 500. On this particular rifle moving the tuner shrunk the group diameter by 4%. On some of my other rifles, I had seen a larger effect in the 14-15% range. I wasn’t unhappy though as the rifle was shooting well and importantly it was doing so very consistently.

john whidden rimfire prone smallbore camp perry cmp championship match winner
When dry-fire training indoors, the rifle is fitted with a device on the end of the barrel that tracks barrel movement and shot location on a special electronic target. The device and target are sold together as the SCATT USB Dry-Fire Shooter Training System.

Secrets of a Rimfire Prone Champion — Whidden Wisdom
1. Shoot a High Volume of Ammo. There is really no substitute for rounds down range. The picture shows hundreds of spent cases — just a fraction of the several thousand rounds of ammo I shot from prone before the national events this summer.

john whidden rimfire prone smallbore camp perry cmp championship match winner

2. Recognize the Difference between Training and Practicing. Training to me means that I have a defined goal that I’d like to achieve during that session. For example I may go shoot a match for training and my goal is to shoot all of my shots in the exact same wind condition and without making a sight adjustment for wind. This would help further my ability to recognize my desired wind condition.

3. Demand Top-level Accuracy from Your Rifle and Ammo. Often shooters are not objective enough about their testing and will excuse a bad shot with “I must have pulled that one” or similar comments. To win matches one needs reliable and durable accuracy across different temperatures and environmental conditions.

john whidden rimfire prone smallbore camp perry cmp championship match winner

Major Benefits of Extensive Rimfire Ammunition Testing

Before the Championship at Camp Perry, I did significant rimfire ammunition testing, which proved very valuable. First I shot 10-round groups of all of the available lots. Next I shot 3 more 10-round groups of the lots that looked most promising. This is the same procedure we use for customer’s rifles when we test them. The worst of the initial 10 round groups was 25.4mm (1 inch) at 50 meters and the best was 12.4mm (0.49″) at 50 meters (measured outside edge to outside edge).

I want to illustrate the value of testing right here. Among the top ammunitions available one lot shot about half the diameter of a different lot. It’s just not possible to buy ammunition at random and expect the very best accuracy that way. The ammunition I chose averaged 13.3mm (0.52″) outside edge to edge at 50m across several groups. I decided to shoot the ELEY Tenex in the end. The performance of both ammunitions was equal but another of my rifles also shoots well with this lot of Tenex so that’s a bonus. Don’t think I didn’t also grab some of that Lapua Center-X and set it back for the right occasion!

Whidden ammunition testing center georgia

Whidden Gunworks operates a state-of-the-art ammunition testing facility. You can visit the facility or ship your rifle to be tested with different lots of rimfire ammo. The Whidden facility features two testing lanes — one for testing ELEY ammo at 50 meters and a second for testing other brands (e.g. Lapua, SK, Norma, and RWS) at both 50 meters and 100 meters simultaneously, registering results for BOTH distances. For more info, visit Whiddengunworks.com/ammunition-testing.

john whidden rimfire prone smallbore camp perry cmp championship match winner

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August 15th, 2024

Selecting Optimal Neck Bushing Size — Tips from John Whidden

John Whidden Dies Neck Bushing diameter reloading

Whidden Gunworks makes great sizing and seating dies. The Whidden full-length sizing die with neck bushing is very popular because it allows you to “tune” the neck tension by using different bushings, with larger or smaller inside diameters. In this video, John Whidden explains how to choose a the right bushing size for use with your neck-sizing and full-length sizing bushing dies.

For most applications, John suggest starting with the caliper-measured outside diameter of a loaded cartridge (with your choice of bullet), and then SUBTRACT about three thousandths. For example, if your loaded round mics at .333, then you would want to start with a 0.330 neck bushing. John notes, however, that you may want to experiment with bushings, going down a thousandth and up a thousandth. With thin In addition, as your brass ages and the necks harden, you may want to change your bushing size.

John Whidden Dies Neck Bushing diameter reloadingQuick Tip: Try Flipping Your Bushings
You may also want to experiment with “flipping” your neck bushings to alternate the side that first contacts the neck of the case. (One side of the bushing is usually marked with the size, while the other side is unmarked.) So try “number side up” as well as “number side down”.

Some folks believe that one side of the bushing may allow a smoother entry, and that this can enhance concentricity. Other people think they can get very slightly more or less neck tension depending on how the bushing is oriented. This is a subtle effect, but it costs nothing to experiment.

If one bushing orientation proves better you can mark the “up” side with nail polish so that you can always orient the bushing optimally. NOTE: We have confirmed that some bushings are actually made with a slight taper. In addition, bushings may get distorted slightly when the brand name and size is stamped. Therefore there IS a reason to try both orientations.

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June 29th, 2024

Quit Neck-Sizing — Why You Should Full-Length Size Your Cases

Full-Length Sizing Erik Cortina Neck Sizing Video

Why It’s Smart to Full-Length Size Your Brass

Commentary by Erik Cortina

Should You Full-Length Size Your Cartridge Brass?

Absolutely. Let Me Explain Why…

I have seen it time and time again, shooters on the line wrestling with their rifle trying to get the bolt closed while the wind is switching. They were too focused trying to get their bolt to close and getting their rifle settled back on the bags that they missed the wind switch. Bang… Eight! The straw that broke the camel’s back for me was at the 2017 Canadian Nationals. I was paired up with a young girl and she would try really hard to close the bolt on her rifle. The majority of the time she would get it to close, but often times she could not even get the round to chamber. She was focused on her rifle the entire time rather than on the conditions. When we completed our strings, she had five rounds that did not chamber our of 15! That is way too many!. I told her she needed to think about Full-length sizing with 0.002″ shoulder bump, or Controlled Full-length Sizing like I call it. I told her not to worry about losing accuracy. I told her that I full-length size all my rounds and asked if she noticed how smooth my bolt was and noticed my score. She said yes, they were both great!

Controlled Full-length Sizing Does NOT Harm Accuracy
I have found that Controlled Full-length Sizing does NOT hurt accuracy or shorten brass life. I find that I can focus much more on the conditions when I don’t have to think about chambering a round nor extracting it. It has become second nature. After firing, I keep my head welded to the stock, I open the bolt by placing my thumb on top of stock and rotating hand upwards. I reach in and retrieve spent case, place it back in ammo box, and pick up another loaded round and put in chamber. I verify conditions and when ready, I push the bolt in and close it with my index and middle finger.

With Controlled Full-length Sizing you “bump” the shoulder around .002″ for bolt guns.*
full length sizing
Image courtesy Sinclair International which carries a variety of Full-length dies.

Full-Length Sizing Erik Cortina Neck Sizing Video

Whidden Gunworks DiesWhidden Full-Length Sizing Dies
by AccurateShooter.com Editor
For proper full-length sizing, you want a quality die that’s a very good match to your chamber. For our project rifles we usually turn to Whidden Gunworks which offers both bushing and non-bushing FL dies. And if you want the hot new option, check out Whidden’s patent-pending, click-adjustable FL-sizing die. This gives instant, precise control over shoulder bump. It works great.

*With gas guns, such as the AR10, you may want to increase shoulder bump to .003″ or more. With some benchrest cartridges, .0015″ bump may prove optimal. But .002″ is a good starting point.

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June 18th, 2024

Case Shoulder Bump Measuring — Various Tool Options

shoulder bump headspace gauge comparator tool whidden manson

The Tactical Rifle Shooters Facebook Group recently showcased tools used to measure case headspace before and after “bumping” the shoulder. After a case is fired, hand-loaders who full-length size their cases will typically bump the shoulders back anywhere from .001″ to .0035″, depending on the rifle and application. With our 6mmBR and Dasher cases we like about .0015″ bump.

You want the amount of case sizing and bump to be the same for all your brass. To ensure uniformity, it makes sense to measure your cases before and after the FL sizing process. When we have time, we check every case. Other folks will simply check the first 3-4 cases coming out of the FL sizing die to ensure the FL die setting is correct and delivering desired headspace/bump.

1. Whidden Gunworks Shoulder Bump Gauge

shoulder bump headspace gauge comparator tool whidden manson

There are a variety of tools that can be used to measure shoulder bump. Our favorite is a special cartridge-specific bushing made by Whidden Gunworks. The Whidden Shoulder Bump Gauge enables you to adjust your sizing die to the desired measurement. The bump gauge is attached to your calipers with a set screw and determines the measurement from the base to the shoulder of the case. The photo below, from Tactical Rifle Shooters, shows the Whidden Bump Gauge for the .375 CheyTac cartridge.

2. Dave Manson Vertical Comparator with Dial Read-Out

shoulder bump headspace gauge comparator tool whidden manson
Background image courtesy Tactical Rifle Shooters; inset photo from Manson Precision Reamers.

Dave Manson states: “This tool was designed to make life easier for the advanced shooter and re-loader by allowing precise measurement of ammunition, case, and chamber headspace. With this information, the re-loader will be able to fine-tune clearances and fits between his ammunition and chamber, with resultant improvements in accuracy and case life.” The functions of the Manson Comparator are:

1. Measure headspace of factory or reloaded ammunition
2. Quantify chamber headspace by measuring headspace of a fired case
3. Ensure minimal shoulder set-back when setting up re-loading dies
4. Compare base-to-ogive length to ensure consistent bullet-to-rifling relationship.

In addition to the Dial Indicator and Stand, the $150.00 Vertical Comparator is supplied with multiple Datum Blocks of precise length and inside diameter (.3300″/.3750″/.4000″/.4375″). MORE INFO HERE — Catalog page 29.

3. Hornady L-N-L Headspace Comparator System

shoulder bump headspace gauge comparator tool whidden manson

Hornady’s Lock-N-Load Headspace Comparator system is easy-to-use and handy. You can get a kit with Red bushing-holder body and 5 bushings for $39.99 at Midsouth. Hornady explains: “The Lock-N-Load® Headspace Comparator… gauge measures variations in brass before and after firing or re-sizing. It allows for headspace comparison between fire-formed brass and re-sized brass.” IMPORTANT: Hornady states: “To determine the proper bushing diameter for your cartridge, simply add the neck diameter and the shoulder diameter and divide that number by two. Use the bushing closest to that number.” Hornady offers five: .330″, .350″, .375″, .400″, and .420″.

One tip — We have found the Hornady gauges may vary a little from unit to unit even with the same nominal size. If you have more than one gauge for the same cartridge, test each on your brass — you may then note a slight difference in your bump measurements. Mark one and use that consistently. There is also an Anvil Base Kit that mounts to the opposite blade on the caliper. This provides a more stable surface for the base of your case.

4. L.E. Wilson Case Gage Depth Micrometer

shoulder bump headspace gauge comparator tool whidden manson

If you are looking for precise “bump” measurements without having to mess with calipers and clamp-on gauge blocks, you may want to consider the L.E. Wilson Case Gage Depth Micrometer (currently $130.00). This takes very precise, repeatable measurements, but you need to know your starting point. The manufacturer explains: “Every reloader should know exactly how much your Full Length Sizing Die is pushing back the shoulder. With the NEW Case Gage Depth Micrometer you can do just that! It has never been easier to measure you cases headspace before and after sizing. The Depth Mic allows you to slip the micrometer perfectly over the top of the Gage with your case inserted into the Gage and take a measurement. Micrometer has graduations of .001″. The Case Gage Depth Micrometer is set to a zero of .100″ on the scale at our factory. Because of differences in ‘feel’ and temperature, we include a the Gage Block for you to test Zero and to adjust if necessary.”

5. Pistol Brass Case DIY Bump Gauge

Last is a “field expedient” set-up if you do not have any of the comparator tools shown above. A sized .45 ACP case (or other suitable pistol case) can be used to measure shoulder bump. The mouth of the pistol case sits on the shoulder of your rifle cartridge brass.

Make sure the .45 ACP case is trimmed square and that it is round. We recommend you first run it through an expander, then size it, trim it and chamfer. Next, take the .45 ACP case and slip it over the neck of a fired, unsized rifle case with the primer removed. Align the two cases between the jaws of your calipers and note the length from rim to rim (See left photo below).

OK, now you have the length for a fired rifle case BEFORE sizing. Next, take a full-length sized rifle case (without primer) and do the same thing, placing the .45 ACP case over the neck of the FL-sized case (Right Photo). The difference between the two numbers is the amount of “bump” or set-back you are applying to the shoulder. Here the difference is .0015″. The amount of bump you need varies with your chamber and your load, but .0015-.002″ is a good initial setting.

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June 8th, 2024

Saturday Movies: .22 LR Rimfire Ammunition Comparison Testing

lapua .22LR super long range ammo ammunition test pursuit accuracy whidden ultimatereloader.com

For today’s Saturday Movie showcase we present six videos with .22 LR rimfire ammunition testing. Most of the videos include a wide variety of ammunition types, from bargain ammo, to high-end .22 LR match ammo. If you want to learn more about the properties of .22 LR rimfire ammo, you’ll find a good .22 LR ammo analysis on the Widener’s Blog. That article discusses .22 LR Bullet Design/Stability, Primer Ignition, Velocity Consistency, and Quality Control. In addition, 100-yard test results are provided for five (5) ammo types: Norma Xtreme LR-22, SK Rifle Match, ELEY Match, Lapua Long Range, and CCI Standard.

lapua .22LR super long range ammo ammunition test wideners

Big .22 LR Rimfire Ammo Comparison Test

This Backfire Channel Video features an accuracy comparison test of 13 .22 LR ammo types from multiple manufacturers. This includes low-priced ammo, such as Aquila, as well as more costly match ammo from ELEY, Lapua, and SK. Various types of ammo were tested in an outdoor range with three different NRL22-suitable rifles with slightly different chamber specs. Take note — this was NOT a benchrest rifle test conducted indoors. The most accurate ammunition overall was Lapua Center-X. NOTE: Different ammo may shoot better or worse in different rimfire guns. For example a round that works in an Anschutz rifle may not be the best choice for a .22 LR revolver. But this review can help you get started in ammo selection.

.22LR .22 LR ammunition sale ammo deal locked loaded aguila cci remington federal winchester

Testing Rimfire Ammo at New Whidden Gunworks Test Center


lapua .22LR super long range ammo ammunition test pursuit accuracy whidden gunworks ELEY range

Last month Whidden Gunworks launched an impressive new Rimfire Test Center in Nashville, Georgia. In this video, long-range champion John Whidden shows the Whidden Gunworks test range developed with ELEY Ammunition. The new facility features two testing lanes — one for testing ELEY ammo and a second for testing other brands. Initially, the ELEY lane will offer 50m testing, with plans to expand to 100m in the future. On the second test lane, customers can test Lapua, SK, Norma, and RWS. Testing on this lane occurs at 50 meters and 100 meters simultaneously, registering results for BOTH distances. For more info, visit Whiddengunworks.com/ammunition-testing.

CLICK HERE to schedule a test at the Whidden facility.

.22 LR Ammo Buyers Guide

The Pursuit of Accuracy YouTube Channel has 270 videos, nearly all involving .22 LR rimfire rifles. The host tests different ammo in a variety of rimfire rifles. In this particular video, the host explains the key considerations in selecting .22 LR ammunition — how to choose the most cost-effective ammo for your rimfire rifle and discipline. You don’t need $14/box ammo to hit large steel plates at 20 yards. But you do need very consistent high-quality ammo for .22 LR Rimfire ELR Matches.

Testing Lapua Long Range Ammo at 400 Yards


lapua .22LR super long range ammo ammunition test gavin gear ultimatereloader.com

With the emergence of long-range .22 LR rimfire matches, with targets at 100, 200, and 300 yards, the long-range capabilities of .22 LR have been pushed to the limits in recent years. In 2023 Lapua announced two new .22 LR rimfire ammo types — Long Range and Super Long Range. These are both specifically designed to optimize .22 LR performance past 100 yards. In this video, Gavin Gear of UltimateReloader.com tests the new Lapua ammo types on his range, with steel targets placed at 400 yards.

Subsonic vs. Supersonic .22 LR Ammunition

Here is another Pursuit of Accuracy Channel .22 LR ammo test. This specifically compares the performance of supersonic ammunition vs. subsonic ammo. What offers better accuracy? What is the best option for long range? The video addresses these questions.

Cheap .22 LR Ammo Tested with a $4000 Custom Rifle

Can relatively inexpensive ammo shoot well in $4000 rimfire rifle? This Midwest Long Range video seeks to answer that question. The results are interesting, with some surprisingly good results with CCI (8:03 time-mark) and Fiocchi (11:25 time-mark) Standard Velocity ammo. If you’re shooting NRL22 or PRS Rimfire matches on a tight budget, this video may steer you to some accurate yet affordable ammo options.

BONUS — Rimfire Ammunition Test with 31 Types

Shooting Sports USA .22 LR 22LR Rimfire ammunition test subsonic hi-velocity lead-free hyper velocity suppressor match ammo plinking varmint hunting

If watching today’s showcased videos has wet your appetite for .22 LR ammo comparison testing — here’s a “must-read” related article. The October 2018 issue of Shooting Sports USA (SSUSA) includes a great article with data on thirty-one (31) different types of popular .22 LR rimfire ammunition. The line-up includes low-speed, standard, and Hi-Velocity types, plus choices for plinking, varminting, and target applications. Brands tested include: Aguila, American Eagle, CCI, Federal, Fiocchi, Lapua, Remington, and Winchester. The ammo types ranged in speed from 727 FPS to 1735 FPS.

SSUSA .22 LR Rimfire Ammo TEST | SSUSA October 2018 Issue

For each ammo type, SSUSA lists the bullet weight, velocity (FPS), and average of two, 5-shot groups at fifty yards. The most accurate ammo was Lapua Center-X LRN, with a 0.37″ average 50-yard group size. Second best was Lapua X-ACT LRN at 0.42″. Ammo was tested from a bench with a Cooper Model 57-M rifle fitted with 3-9x33mm Leupold VX-2 scope. The ammo offerings were grouped into three categories: (1) Varmints/Small Game; (2) Target; and (3) Plinking.

Shooting Sports USA .22 LR 22LR Rimfire ammunition test subsonic hi-velocity lead-free hyper velocity suppressor match ammo plinking varmint hunting
Click for FULL-SCREEN, larger page-view.

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June 3rd, 2024

Hydro-Forming Cartridge Brass — Save Money and Barrel Life

6mm Dasher hydroforming case die hornady

Can you form a wildcat cartridge such as the 6 Dasher without expending primer, powders, and bullets? Absolutely. Using the hydro-forming method you can form improved cases in your workshop with no firing whatsoever, so there is no wear on your precious barrel. Watch this video to see how it’s done:

6 Dasher Case Hydro-Forming Demonstration:

Forum member Wes J. (aka P1ZombieKiller) has produced a helpful video showing how to form Dasher cases use the Hornady Hydraulic forming die kit. This includes a two-part die (body and piston), and a special shell holder. To form the case, you insert a primer in your virgin brass, top the case off with with a fluid (water or alcohol), then run the case up into the Hydro-forming die. A few stout whacks with a hammer and your case is 95% formed.

Whidden gunworks 6 6mm dasher hydro-forming hydraulic form die

This same procedure can be accomplished with a Whidden Gunworks 6mm Dasher hydraulic form die. We like the Whidden hydro-forming die for its production quality and consistent results. This Whidden system works great according to our Forum members.

6mm Dasher hydroforming hydraulic 6mmBR hornadyHydro-Forming Procedure Step-by-Step:
1. Insert spent primer in new 6mmBR brass case.
2. Fill with water or alcohol (Wes prefers alcohol).
3. Wipe excess fluid off case.
4. Place case in special Hornady shell-holder (no primer hole).
5. Run case up into Hydraulic forming die.
6. Smack top piston of forming die 3-4 times with rubber mallet or dead-blow hammer.
7. Inspect case, re-fill and repeat if necessary.
8. Drain alcohol (or water) into container.
9. Remove primer (and save for re-use).
10. Blow-dry formed case. Inspect and measure formed case.

Wes achieves very uniform cartridge OALs with this method. He measured ten (10) hydro-formed 6 Dasher cases and got these results: two @ 1.536″; 2 @ 1.537″; and 6 @ 1.538″.

Three or Four Whacks Produces a 95%-Formed Case
With a Whidden or Hornady hydro-forming die, hydraulic pressure does the job of blowing out the shoulders of your improved case. The process is relatively simple. Place a spent primer in the bottom of a new piece of brass. Fill the case with water, and then slip it into a special Hornady shell-holder with no hole in the middle. Then you run the case up into the forming die. Now comes the fun part. You gently insert a plunger (hydraulic ram) from the top, and give it three or four stiff whacks with a mallet (or better yet, a dead-blow hammer). Remove the plunger and you have a 95% formed case, ready to load.

Walter Queen Hydraulic Hornady DieSpecial Shell-Holder
Hornady supplies a shell holder made specifically for the hydro die; there’s no hole in the bottom of it. Just insert a spent primer into the primer pocket and you’re ready to go. The spent primer, combined with the solid shell holder, keeps the water from seeping out of the primer pocket. The primer pushes out a little bit during this process, but it’s impossible for it to come out because of the way the shell holder is designed. The shell holder has a grove which allows the case to slide out of the shell holder even when the primer protrudes a bit.

Permalink Bullets, Brass, Ammo, Reloading, Tech Tip 2 Comments »
May 20th, 2024

Custom-Honed Full-Length Dies — Advantages Over Bushing Dies

Honed FL Forster Whidden Full-length dies
For some applications, we prefer a non-bushing FL die over a bushing die. Shown here are three Forster full-length sizing dies, with necks honed to three different dimensions: 0.265″, 0.266″, and 0.267″.

The Honed Full-Length Sizing Die Option

There are many good options in full-length (FL) sizing dies. Most precision hand-loaders prefer FL dies with neck bushings. These let you adjust the “grip” on your bullet by using larger or smaller bushings. FL bushing dies are available from Whidden Gunworks, Forster, Redding and other makers.

Conventional, non-bushing full-length sizing dies can create ultra-accurate ammo with very low run-out. But many conventional non-bushing FL dies have an undersized neck diameter so you end up with excess neck tension, and you work the brass excessively.

There is another effective option, one that promises extremely low run-out. The honed FL die is a full-length sizing die that has the necked honed to provide a precise fit to the case-neck. When done right, honed FL dies produce extremely straight ammo — as there are no issues with bushing alignment (or bushings that are not perfectly concentric). This Editor owns honed dies from Forster, Redding, and Whidden Gunworks. They all perform extremely well, delivering match ammunition with extremely low run-out measured with a 21st Century Concentricity Gauge.

In one of the most popular articles we’ve ever published, Bugholes from Bipod, California shooter “Froggy” explained why he prefers honed dies for his tactical ammo.

Q: Do you FL size every time? Do you use custom dies?

Absolutely, I full length resize all of my brass every time I reload. And guess what? I’ve never had a feeding problem.

I do use a modified sizing die, without bushings. My FL resizing die has been custom-honed in the neck area to give .0015″ press fit on the bullet. I also put a slightly larger radius at the neck shoulder junction. I feel that this helps to seal the chamber. With this die, I get consistent neck tension every time–without bushings. Bushings are useful when you’re fishing around for a good load. But once you find the right amount of sizing for ideal neck tension, you can do this better with a customized FL die.

6.5 Guys Review Forster Honed Full-length Dies
The 6.5 Guys have reviewed honed FL sizing dies from Forster, explaining the pros and cons of this type of reloading die. They explained that, if you load a wide variety of bullets from different manufacturers, you many want to stick with a Bushing FL die. However, if you have settled on a particular bullet and found the “ideal” neck tension, then a honed die may make sense.

In this Gear Update, the 6.5 Guys discuss a service offered by Forster Products to custom hone the neck diameter of its full-length sizing dies to the customer’s specifications (to the thousandth). Whidden Gunworks also offers custom-honed FL dies.
This article is Copyright 2023 AccurateShooter.com. Any publication on another website is unauthorized and obligates monetary compensation and statutory damages.

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November 2nd, 2023

Reloading Tool Reviews By Mid-Range Nat’l Champ F-Class John

 F-Class john tool youtube video reviews lyman primer hydro press

Ben Avery nra mid-range national championships john masek f-class john Keith trapForum member F-Class John is an avid F-Class competitor and expert handloader. This week he won the NRA F-0pen Mid-Range National Championship. John reviews reloading hardware and shooting-related products for his popular F-Class John YouTube Channel, which now boasts 540+ videos. John also does product testing for AccurateShooter.com and his new FClassJohn.com website. On his YouTube channel, John has reviewed many of the latest and greatest reloading tools and accessories. Below are three interesting F-Class John tool and reloading product reviews.

If you like these informative videos, consider joining F-Class John’s Patreon Channel for live video meetings, more in-depth videos, and detailed explanations.

Here are three of John’s most interesting gear review videos for products that can benefit all serious handloaders.

21st Century Hydro Press and Standard Arbor Press

John notes: “You can’t really talk about precision reloading without taking about inline dies and arbor presses. For my money there’s nothing better than the lineup from 21st Century Shooting. They offer the Hydro Seater which is hands-down the best manual seater out there as well as their standard arbor press which is great for taking on the road to push back bullets as needed.”

Henderson and Giraud Power Trimmer Comparison Review

In this video John reviews two high-quality powered case trimmers that help handloaders rapidly process large volumes of brass. He says these are “arguably the two best trimmers on the market” and are “both worth the money if you do a lot of trimmming”. The Giraud Power Trimmer is rugged and popular with high-power shooters. The advanced, red Henderson Precision Gen 3 Trimmer offers some advantages for precision trimming and John likes the Henderson layout and ergonomics.

Concentricity Checking with Accuracy One Gauge

Every serious hand-loader needs a quality concentricity gauge. The Accuracy One Concentricity Gauge boasts a smart design that delivers precise, repeatable results. We like the unit’s easy adjustability and its ability to work in a variety of configurations. The Accuracy One Gauge measures internal and external neck runout of cartridge cases as well as seated bullet runout. It can also measure the runout of the ogive, bearing surface, and boat-tail of individual bullets. And it can even measure your primer pocket runout.

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November 1st, 2023

Selecting Bushings for Bushing Dies — Tips from John Whidden

John Whidden Dies Neck Bushing diameter reloading

Whidden Gunworks makes great sizing and seating dies. The Whidden full-length sizing die with neck bushing is very popular because it allows you to “tune” the neck tension by using different bushings, with larger or smaller inside diameters. In this video, John Whidden explains how to choose a the right bushing size for use with your neck-sizing and full-length sizing bushing dies.

For most applications, John suggest starting with the caliper-measured outside diameter of a loaded cartridge (with your choice of bullet), and then SUBTRACT about three thousandths. For example, if your loaded round mics at .333, then you would want to start with a 0.330 neck bushing. John notes, however, that you may want to experiment with bushings, going down a thousandth and up a thousandth. With thin In addition, as your brass ages and the necks harden, you may want to change your bushing size.

John Whidden Dies Neck Bushing diameter reloadingQuick Tip: Try Flipping Your Bushings
You may also want to experiment with “flipping” your neck bushings to alternate the side that first contacts the neck of the case. (One side of the bushing is usually marked with the size, while the other side is unmarked.) So try “number side up” as well as “number side down”.

Some folks believe that one side of the bushing may allow a smoother entry, and that this can enhance concentricity. Other people think they can get very slightly more or less neck tension depending on how the bushing is oriented. This is a subtle effect, but it costs nothing to experiment.

If one bushing orientation proves better you can mark the “up” side with nail polish so that you can always orient the bushing optimally. NOTE: We have confirmed that some bushings are actually made with a slight taper. In addition, bushings may get distorted slightly when the brand name and size is stamped. Therefore there IS a reason to try both orientations.

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September 14th, 2023

ABCs of Bullet Pointing — Increase Bullet BC Uniformity

Berger Bullet Pointing Applied Ballistics Bryan Litz Whidden Pointing Die pointer

Tech Tip by Doc Beech, Applied Ballistics Support Team
I am going to hit on some key points when it comes to bullet pointing. How much pointing and trimming needed is going to depend on the bullet itself. Specifically how bad the bullets are to begin with. Starting out with better-quality projectiles such as Bergers is going to mean two things. First that you don’t need to do as much correction to the meplat, but also that the improvement is going to be less. NOTE: We recommend you DO NOT POINT hunting bullets. Pointing can affect terminal performance in a bad way.

NOTE the change in the bullet tip shape and hollowpoint size after pointing:
Berger Bullet Pointing Applied Ballistics Bryan Litz Whidden Pointing Die pointer

Don’t Over-Point Your Bullets
What is important here is that you never want to over-point. It is far better to be safe, and under-point, rather than over-point and crush the tips even the slightest bit. To quote Bryan Litz exactly: “Best practice is to leave a tiny air gap in the tip so you’re sure not to compress the metal together which will result in crushing. Most of the gain in pointing is taking the bullet tip down to this point. Going a little further doesn’t show on target”. So in essence you are only bringing the tip down a small amount… and you want to make sure you leave an air gap at the tip.

Salazar Whidden Bullet Pointer system

Also keep in mind, bullet pointing is one of those procedures with variable returns. If you only shoot at 100-200 yards, bullet pointing will likely not benefit you. To see the benefits, which can run from 2 to 10% (possibly more with poorly designed bullets), you need be shooting at long range. Bryan says: “Typically, with pointing, you’ll see 3-4% increase in BC on average. If the nose is long and pointy (VLD shape) with a large meplat, that’s where pointing has the biggest effect; up to 8% or 10%. If the meplat is tight on a short tangent nose, the increase can be as small as 1 or 2%.” For example, If you point a Berger .308-caliber 185gr Juggernaut expect to only get a 2% increase in BC.

Berger Bullet Pointing Applied Ballistics Bryan Litz Whidden Pointing Die pointer

Should You Trim after Pointing?
Sometimes you can see tiny imperfections after pointing, but to say you “need” to trim after pointing is to say that the small imperfections make a difference. Bryan Litz advises: “If your goal is to make bullets that fly uniformly at the highest levels, it may not be necessary to trim them.” In fact Bryan states: “I’ve never trimmed a bullet tip, before or after pointing”. So in the end it is up to you to decide.

Pointing is Easy with the Right Tools
The process of pointing in itself is very simple. It takes about as much effort to point bullets as it does to seat bullets. We are simply making the air gap on the tip of the bullet ever-so smaller. Don’t rush the job — go slow. Use smooth and steady pressure on the press when pointing bullets. You don’t want to trap air in the die and damage the bullet tip. You can use most any press, with a caliber-specific sleeve and correct die insert. The Whidden pointing die has a micrometer top so making adjustments is very easy.

Bryan Litz actually helped design the Whidden Bullet Pointing Die System available from Whidden Gunsworks. When ordering, make sure that you pick up the correct caliber sleeve(s) and appropriate insert(s). The Whidden Bullet Pointing Die System comes with the die, one tipping insert, and one caliber-specific sleeve. To see which insert(s) you need for your bullet type(s), click this link:

LINK: Whidden Gunworks Pointing Die Insert Selection Chart

whidden gunworks bulletin pointing die system

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July 18th, 2023

Five Cool Tools to Measure Shoulder Bump on Your Cases

shoulder bump headspace gauge comparator tool whidden manson

The Tactical Rifle Shooters Facebook Group recently showcased tools used to measure case headspace before and after “bumping” the shoulder. After a case is fired, hand-loaders who full-length size their cases will typically bump the shoulders back anywhere from .001″ to .0035″, depending on the rifle and application. With our 6mmBR and Dasher cases we like about .0015″ bump.

You want the amount of case sizing and bump to be the same for all your brass. To ensure uniformity, it makes sense to measure your cases before and after the FL sizing process. When we have time, we check every case. Other folks will simply check the first 3-4 cases coming out of the FL sizing die to ensure the FL die setting is correct and delivering desired headspace/bump.

1. Whidden Gunworks Shoulder Bump Gauge

shoulder bump headspace gauge comparator tool whidden manson

There are a variety of tools that can be used to measure shoulder bump. Our favorite is a special cartridge-specific bushing made by Whidden Gunworks. The Whidden Shoulder Bump Gauge enables you to adjust your sizing die to the desired measurement. The bump gauge is attached to your calipers with a set screw and determines the measurement from the base to the shoulder of the case. The photo below, from Tactical Rifle Shooters, shows the Whidden Bump Gauge for the .375 CheyTac cartridge.

2. Dave Manson Vertical Comparator with Dial Read-Out

shoulder bump headspace gauge comparator tool whidden manson
Background image courtesy Tactical Rifle Shooters; inset photo from Manson Precision Reamers.

Dave Manson states: “This tool was designed to make life easier for the advanced shooter and re-loader by allowing precise measurement of ammunition, case, and chamber headspace. With this information, the re-loader will be able to fine-tune clearances and fits between his ammunition and chamber, with resultant improvements in accuracy and case life.” The functions of the Manson Comparator are:

1. Measure headspace of factory or reloaded ammunition
2. Quantify chamber headspace by measuring headspace of a fired case
3. Ensure minimal shoulder set-back when setting up re-loading dies
4. Compare base-to-ogive length to ensure consistent bullet-to-rifling relationship.

In addition to the Dial Indicator and Stand, the $150.00 Vertical Comparator is supplied with multiple Datum Blocks of precise length and inside diameter (.3300″/.3750″/.4000″/.4375″). MORE INFO HERE — Catalog page 29.

3. Hornady L-N-L Headspace Comparator System

shoulder bump headspace gauge comparator tool whidden manson

Hornady’s Lock-N-Load Headspace Comparator system is easy-to-use and handy. You can get a kit with Red bushing-holder body and 5 bushings for $43.43 at Midsouth. Hornady explains: “The Lock-N-Load® Headspace Comparator… gauge measures variations in brass before and after firing or re-sizing. It allows for headspace comparison between fire-formed brass and re-sized brass.” IMPORTANT: Hornady states: “To determine the proper bushing diameter for your cartridge, simply add the neck diameter and the shoulder diameter and divide that number by two. Use the bushing closest to that number.” Hornady offers five: .330″, .350″, .375″, .400″, and .420″.

One tip — We have found the Hornady gauges may vary a little from unit to unit even with the same nominal size. If you have more than one gauge for the same cartridge, test each on your brass — you may then note a slight difference in your bump measurements. Mark one and use that consistently. There is also an Anvil Base Kit that mounts to the opposite blade on the caliper. This provides a more stable surface for the base of your case.

4. L.E. Wilson Case Gage Depth Micrometer

shoulder bump headspace gauge comparator tool whidden manson

If you are looking for precise “bump” measurements without having to mess with calipers and clamp-on gauge blocks, you may want to consider the L.E. Wilson Case Gage Depth Micrometer (currently $130.00). This takes very precise, repeatable measurements, but you need to know your starting point. The manufacturer explains: “Every reloader should know exactly how much your Full Length Sizing Die is pushing back the shoulder. With the NEW Case Gage Depth Micrometer you can do just that! It has never been easier to measure you cases headspace before and after sizing. The Depth Mic allows you to slip the micrometer perfectly over the top of the Gage with your case inserted into the Gage and take a measurement. Micrometer has graduations of .001″. The Case Gage Depth Micrometer is set to a zero of .100″ on the scale at our factory. Because of differences in ‘feel’ and temperature, we include a the Gage Block for you to test Zero and to adjust if necessary.”

5. Pistol Brass Case DIY Bump Gauge

Last is a “field expedient” set-up if you do not have any of the comparator tools shown above. A sized .45 ACP case (or other suitable pistol case) can be used to measure shoulder bump. The mouth of the pistol case sits on the shoulder of your rifle cartridge brass.

Make sure the .45 ACP case is trimmed square and that it is round. We recommend you first run it through an expander, then size it, trim it and chamfer. Next, take the .45 ACP case and slip it over the neck of a fired, unsized rifle case with the primer removed. Align the two cases between the jaws of your calipers and note the length from rim to rim (See left photo below).

OK, now you have the length for a fired rifle case BEFORE sizing. Next, take a full-length sized rifle case (without primer) and do the same thing, placing the .45 ACP case over the neck of the FL-sized case (Right Photo). The difference between the two numbers is the amount of “bump” or set-back you are applying to the shoulder. Here the difference is .0015″. The amount of bump you need varies with your chamber and your load, but .0015-.002″ is a good initial setting.

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June 27th, 2023

How to Hydro-Form Cartridge Brass — Save Money and Barrel Life

6mm Dasher hydroforming case die hornady

Can you form a wildcat cartridge such as the 6 Dasher without expending primer, powders, and bullets? Absolutely. Using the hydro-forming method you can form improved cases in your workshop with no firing whatsoever, so there is no wear on your precious barrel. Watch this video to see how it’s done:

6 Dasher Case Hydro-Forming Demonstration:

Forum member Wes J. (aka P1ZombieKiller) has produced a helpful video showing how to form Dasher cases use the Hornady Hydraulic forming die kit. This includes a two-part die (body and piston), and a special shell holder. To form the case, you insert a primer in your virgin brass, top the case off with with a fluid (water or alcohol), then run the case up into the Hydro-forming die. A few stout whacks with a hammer and your case is 95% formed.

Whidden gunworks 6 6mm dasher hydro-forming hydraulic form die

This same procedure can be accomplished with a Whidden Gunworks 6mm Dasher hydraulic form die. We like the Whidden hydro-forming die for its production quality and consistent results. This Whidden system works great according to our Forum members.

6mm Dasher hydroforming hydraulic 6mmBR hornadyHydro-Forming Procedure Step-by-Step:
1. Insert spent primer in new 6mmBR brass case.
2. Fill with water or alcohol (Wes prefers alcohol).
3. Wipe excess fluid off case.
4. Place case in special Hornady shell-holder (no primer hole).
5. Run case up into Hydraulic forming die.
6. Smack top piston of forming die 3-4 times with rubber mallet or dead-blow hammer.
7. Inspect case, re-fill and repeat if necessary.
8. Drain alcohol (or water) into container.
9. Remove primer (and save for re-use).
10. Blow-dry formed case. Inspect and measure formed case.

Wes achieves very uniform cartridge OALs with this method. He measured ten (10) hydro-formed 6 Dasher cases and got these results: two @ 1.536″; 2 @ 1.537″; and 6 @ 1.538″.

Three or Four Whacks Produces a 95%-Formed Case
With a Whidden or Hornady hydro-forming die, hydraulic pressure does the job of blowing out the shoulders of your improved case. The process is relatively simple. Place a spent primer in the bottom of a new piece of brass. Fill the case with water, and then slip it into a special Hornady shell-holder with no hole in the middle. Then you run the case up into the forming die. Now comes the fun part. You gently insert a plunger (hydraulic ram) from the top, and give it three or four stiff whacks with a mallet (or better yet, a dead-blow hammer). Remove the plunger and you have a 95% formed case, ready to load.

Walter Queen Hydraulic Hornady DieSpecial Shell-Holder
Hornady supplies a shell holder made specifically for the hydro die; there’s no hole in the bottom of it. Just insert a spent primer into the primer pocket and you’re ready to go. The spent primer, combined with the solid shell holder, keeps the water from seeping out of the primer pocket. The primer pushes out a little bit during this process, but it’s impossible for it to come out because of the way the shell holder is designed. The shell holder has a grove which allows the case to slide out of the shell holder even when the primer protrudes a bit.

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