Ten USA Shooting athletes compete this week at the International Shooting Sport Federation (ISSF) World Cup Final in New Delhi, India. Some 160 shooters from 15 countries will compete in this year’s invitation-only World Cup Final which runs October 22-30, 2017. Most of the Team USA squad in India are shotgunners. This year our Skeet/Trap shooters, including six-time Olympic Medalist Kim Rhode (above left), have garnered 26 top-10 finishes plus 12 individual medals and eight team medals.
The new Olympic events of Air Rifle Mixed Team, Air Pistol Mixed Team, and Trap Mixed Team kick off this ISSF World Cup Final in India. The USA has two pairs in the Trap Mixed Team event: Kayle Browning/Jake Wallace and World Championship bronze medalists Ashley Carroll/Derek Haldeman.
Browning and Wallace won a team silver at the World Cup in Acapulco, Mexico. Ashley Carroll (Solvang, California) and Derek Haldeman (USAMU, Sunbury, Ohio) won team bronze at the World Championship in Moscow, Russia. Interestingly, Ashley and Derek have a life together away from the trap range — they have been dating for two years now.
“The way the team event goes, it’s still a pretty individual game,” said Haldeman, who will make his World Cup Final debut in New Delhi. Haldeman, a Double Trap specialist, converted to Trap this season upon Double Trap’s elimination from the Olympic program. “It’s hard to help each other out during the actual competition. Ashley came down to Fort Benning to work on stuff. We worked on how we can work together, what we can say and what we can’t say, and that’s kind of how we were getting ready for World Cup Final. We’ll shoot together, have fun with it and see what happens!”
Ashley will compete again later in the week as the lone U.S. competitor in Women’s Trap. Carroll had a breakout year in 2017, winning her third National Championship win in a row, along with a gold-medal win and world-record finish at World Cup Acapulco.
Thrasher is Sole American Rifle Shooter at ISSF World Cup Final
2016 Olympic gold medalist Ginny Thrasher (Springfield, Virginia) is the sole USA Rifle competitor at the 2017 ISSF World Cup Final. Thrasher, who earned her berth by virtue of winning Olympic Gold in Rio, took Bronze at the 2016 World Cup Final in Bologna, Italy.
ISSF World Cup Final
Competition commenced Sunday and concludes on October 30. The ISSF World Cup Final runs each year at the conclusion of the World Cup season. Athletes earn points through finishes throughout the season, with the eight best athletes in each event earning invitations to this match. Wild card invitations are also granted to title defenders, and in years of the Olympic Games and World Championships, to the three medalists in each event.
ISSF World Cup Finals Schedule (All times USA Eastern Time)
Tuesday, October 24th: Trap Mixed Team at 4:30 am
Wednesday, October 25th: Skeet Women at 5:30 am
Thursday, October 26th: 10m Air Rifle Women at 2:30 am; Skeet Men at 5:30 am
Saturday, October 28th: Trap Women at 5:00 am
Sunday, October 29th: 25m Rapid Fire Pistol Men at 12:45 am
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We like Howa 1500-series rifles. The major attractions are the smooth-running action (feels almost like a custom), a very good two-stage trigger (way better than most domestic factory triggers), pretty decent barrels, and excellent fit and finish. Howa also offers a “mini” action that’s nearly an inch shorter than a conventional short action. The only negative is that the Howa actions have metric barrel threads. That complicates the re-barreling task for some gunsmiths who don’t have the right equipment. All-in-all the Howa 1500 series is still a fine value, offering excellent “bang for the buck”. If we were choosing a new varmint or hunting rifle, the Howa would be one of our first choices.
Given our positive outlook towards Howa rifles, we were pleased to see that American Rifleman just named the Howa 1500 HCR rifle (with scope package) as the NRA Gun of the Week. Check it out:
Designed for PRS “factory class” competition and tactical applications, the Howa HCR offers the smooth-running 1500 action with HACT 2-Stage trigger in a fully-adjustable aluminum chassis. The Howa’s MSRP is $1299.00, with “street price” around $990.00 in black or $1180 with Camo finish so the HCR is directly competitive with the Ruger Precision Rifle (RPR). Available chamberings are: .223 Remington, .243 Winchester, 6.5 Creedmoor, and .308 Winchester.
Mounted on an AR-style buffer tube system, the Howa HCR utilizes the fully adjustable LUTH-AR MBA-3 stock. Length of Pull is adjustable from 12.5″ to 16.75″. Comb height is also adjustable to fine tune for scope height-over-bore. Weight with a 24″ barrel is 10.2 pounds (before optics), so this Howa HCR is lighter than many similar rifles on the market.
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Trigger images from PrimaryArms.com, which sells all the triggers reviewed here: Geissele, Elftmann, Timney, and ALG Defense.
Are you thinking of upgrading the trigger system for your AR-platform rifle? There are dozens of options available, from $45 up to $300. Thankfully, Brownells has created video reviews of some of the more popular AR trigger options from Timney, Geissele, and ALG Defense. And we included a video review of the highly-regarded Elftmann Match Trigger. If you want the best solution for Service Rifle competition, you might favor the Geisselle. For ease of installation, it’s hard to beat the Timney, a “drop-in” module. Like the Timney, the super-smooth Elftman is a drop-in module. At $249.00 it’s pricey, but it is one of the best AR triggers out there. If you’re on a tight budget, the best “bang for your buck” may be the “Perfected Mil-Spec” ALG which starts at around $45.00.
Geissele Enhanced Two-Stage Trigger
Geissele makes a variety of quality AR trigger sets both single-stage and two-stage. Many High Power competitors like the two-stage Geissele trigger. This delivers a repeatable, controlled pull through the first stage with a very clean break in the second stage. The Super Dynamic Enhanced Trigger, shown above, features a distinctive, trigger blade. Reviewer Thomas Conroy says: “The flat surface is very easy to press against. Both stages are light and very distinct.”
Elftmann Drop-In Match Trigger
Though pricey ($249.00 at PrimaryArms.com), we really like the Elftmann AR trigger. It combines the best of both worlds — the precision and smoothness of the Geissele with the Timney’s ease of installation. This single stage trigger is user-adjustable from 2.75 to 4 pounds pull weight. It is offered with either straight or curved trigger blade. Primary Arms says: “The amazingly short take-up, glass-rod crisp break and [near-zero] over-travel can be compared to the finest custom 1911 triggers.”
Timney Drop-In Trigger Module
This trigger module is available for both the AR15 and the AR10 platform (as covered in the above video). Timney triggers are easy to install and come with multiple pin size and pull-weight options. Reviewer Thomas Conroy confirms that the single-stage Timney “breaks cleanly and crisply. This trigger is modular, meaning that the trigger, sear, hammer, and spring are all encased in a bright, shiny yellow aluminum housing.”
ALG Defense Trigger — Higher-Quality Basic AR Trigger
According to Thomas Conroy, ALG triggers “are the perfected version of the standard, non-adjustable mil-spec original trigger. They have the same geometry, but are made to higher quality standards, and come with … hardened and smoothed-out sear contact surface to eliminate all grittiness.” These are also offered in a nickle-boron coated version. Available for under $45.00, the ALG is a well-made, low-cost option for shooters who want a better factory-type trigger system.
For More Information about These Triggers
Learn more about Geissele, Timney and ALG triggers, plus two more AR trigger options (CMMG and Rock River Arms) in a Trigger Comparison Review by Thomas Conroy on Ammoland.com.
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Hornady has introduced a new Short Magnum cartridge, the 6.5 PRC (Precision Rifle Cartridge). This will be offered as factory ammo in both a “Match” version (with 147gr ELD) and a “Precision Hunter” version (with 143gr ELD-X bullet). Presumably, in the future, Hornady will offer 6.5 PRC brass separately for hand-loaders, but Hornady has no time-line for brass availability. However, you can get 6.5 PRC brass right now from GA Precision at $86.00 per 100 cases. GA Precision’s George Gardner, who helped develop this cartridge, has posted: “It’s a non-rebated short mag based on a short RCM [Ruger Compact Magnum] case. It has 3-4 grains less capacity than the 6.5 SAUM which nets about 30-50 fps deficit to the SAUM.”
The 6.5 PRC Match seems to be aimed at the PRS crowd and long-range tactical shooters. The product launch photo shows a tactical rifle and steel plate. Hornady says the 6.5 PRC was “designed to achieve the highest levels of accuracy, flat trajectory, and extended range performance in a sensibly-designed compact package. Utilizing moderate powder charges that result in repeatable accuracy, low recoil, and reasonable barrel life, the 6.5 PRC produces high velocities for target shooting with performance well beyond 1000 yards.”
“High Velocities”? Wait a minute — here’s the ballistics chart from Hornady’s 6.5 PRC page. It shows a muzzle velocity of 2910 FPS. That’s not much better than a 6.5 Creedmoor (which can push 140s over 2800 fps), so we wonder about this. You have to ask — what is the point? Is there anything this 6.5 PRC can do that the venerable 6.5-284 can’t do just as well or better — with a standard bolt face?
New 6.5 PRC Is a Short Magnum Requiring Magnum Bolt Face
Dubbed the “big brother” to the 6.5 Creedmoor, the 6.5 PRC fits in short or medium actions with a standard magnum bolt face (.532”). The case geometry features a long cartridge case neck and 30-degree case shoulder. It sort of looks like a 6.5 Creedmoor on steroids. For its loaded 6.5 PRC Match Ammo, Hornady is showing a 2910 fps Muzzle Velocity with the 147gr ELD Match bullet. That’s not very impressive. Why go to the trouble?
Comment — Does This New 6.5 PRC Cartridge Fill a Need?
Honestly, we don’t get this. If you need more speed than a 6.5 Creedmoor and want to stick with a .264-diameter bullet, then shoot a .260 Rem or 6.5-284 using a standard bolt. This requires a magnum bolt face. The 6.5-284 is a barrel burner; the 6.5 PRC promises to be likewise. On the other hand it may work better than a 6.5-284 in a short-action magazine — that may be what Hornady is thinking…
The 6.5 PRC clearly seems to be targeted at the PRS crowd. But we see many top PRS competitors moving DOWN in cartridge size, rather than up. Many PRS guys have stepped down from the 6.5 Creedmoor to the 6mm Creedmoor, or even a 6mm Dasher. The benefit is less recoil, and cheaper bullets. Are there really many PRS shooters clamoring for a short magnum? We don’t think so.
We’ll see if this new 6.5 PRC cartridge catches on — maybe some PRS guys will want this for long-range side matches. Rifle makers currently chambering the 6.5 PRC include GA Precision, Gunwerks, PROOF Research, Stuteville Precision and Seekins Precision.
6.5 PRC Ammunition for Hunters — Also New for 2018
Hornady will also sell a version of 6.5 PRC ammo design for hunters. The Precision Hunter version, shown below, is loaded with the 143-grain ELD-X Bullet. Again, however, we really don’t know why any hunter would want to shoot this cartridge, when you already have so many good choices, such as the 6.5x55mm Swede, and the original .284 Winchester, both of which can use a standard bolt face.
If you have a hunting rifle with a magnum-size bolt, why not shoot the 7mm RSAUM or 7mm WSM? Barrel life is not really an issue for hunters, so the smaller case capacity of the 6.5 PRC is not really an advantage. Perhaps the veteran hunters among our readers can enlighten us, using the comments section. Would you build a hunting rifle chambered for the 6.5 PRC?
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Here is an exceptional deal on an entry-level spotting scope. Right now the Celestron Cavalry Spotting Scope, normally $119.99, is just $39.99 on sale at Cabelas.com. That’s right, this spotter is under forty bucks. This optic features a 70mm front objective, 25-75X eyepiece, and rubber armored body. Will it compete with a premium spotting scope costing $1000.00 or more? No, but you may find it can do many basic tasks, such as watching target shot markers, watching wind flags, or spotting prairie dogs. It’s also perfectly fine for spotting pistol and rifle shots at close ranges. With a price this cheap, you can get one to use as a “back-up” spotting scope.
Comment: Will this Celestron perform like a premium spotting scope from Kowa, Pentax, Leica, Swarovski or Zeiss? Of course not. But it may “do the job” if you are looking for a basic spotter to use at close range, or when pistol shooting.
The Where To Shoot Mobile App quickly locates shooting ranges near you, drawing on North America’s most comprehensive directory of shooting ranges. Users can search by current location, state, or zip code. Once you locate a range, you can view activities offered along with a summary of range facilities. You can even get driving directions.
The app is modeled after NSSF’s popular WhereToShoot.org® website and is updated frequently with range information for every U.S. state and Canadian province. Once you’ve located a place to shoot, the App can provide directions to the range. The App also includes video tips for shooters, news, and firearm-safety information.
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Do you have a hankering to shoot Extreme Long Range (ELR)? Then you’ll want a large-caliber cartridge with plenty of boiler room. Some of the most successful ELR cartridges have been based on the CheyTac family, including the .375 CheyTac (9.5×77) and .408 CheyTac (10.36 x 77). Now brass for both these jumbo cartridges is offered by Peterson Cartridge. This Peterson Cheytac brass has proven to be tough and long-lived. And it is capable of winning — Derek Rodgers won the 2017 King of 2 Miles (K02M) event shooting a .375 Cheytac with Peterson brass. Here’s a report on how Peterson developed and tested its tough CheyTac cartridge brass.
Developing and Testing CheyTac Brass
Report by Peterson Cartridge Co.
Recently, our president, Derek Peterson, was live-testing our most recent iteration of the .375 CheyTac (aka 9.5 X 77). He started with five casings, and did a full-body resizing after each firing. He got 17 firings out of each before he started to notice the early signs of case head separation. [Editor: Theses were with extremely high pressure loads.] He then took another set of casings and after each firing he just bumped the shoulder back, like a typical reloader would. He got 20 firings out of those casings.
Note: CheyTac® is a registered trademark of CheyTac USA, LLC. Peterson Cartridge has no affiliation.
Low MV Extreme Spread
On the first two shots the muzzle velocities were within 12 feet per second of each other. On the 3rd and 4th shots the muzzle velocities were within 6 feet per second of each other. By the 5th shot the muzzle velocities were within 1 foot per second of each other. Now that is how you can put two bullets in the same hole down range.
No SAAMI Spec for CheyTac Cartridges
As many of you probably already know there is no SAAMI spec on these calibers. So, without a SAAMI spec there is no stated maximum pressure for a service load. However, there IS an international spec on the .408 [promulgated by the] CIP (Commission International Permanente). And the CIP max pressure for this round is extremely high. Our partner in Europe tells us it is probably unnecessarily high. Our partner loads these rounds and they have a standard load for the .375s which is also quite high. So that is the pressure we did our testing at. To even achieve that pressure, we had to use a compressed load. We are explaining all this to say that you [should not use] a load that hot, and therefor you will most likely get more reloads than we did[.]
Peterson Brass Goes Through 11 Dimensional Tests
With all the casings we make in any caliber, we perform a battery of in-process, real-time dimensional checks. [We test] 11 different dimensions continuously throughout each shift. Some of these are tube cylindricity, mouth to body concentricity, primer pocket diameter, length to shoulder, overall length, and more. These measurements are automatically fed into Statistical Process Control software. If a dimension begins to drift from nominal we can catch it immediately and correct it.
Peterson is Fully Committed to CheyTac Brass Production
Peterson Cartridge purchased additional manufacturing equipment designed specifically to produce these large casings. Our capacity is 5-million casings a year. We are committed to there not being a shortage of these calibers ever again.
Derek Rodgers is the 2017 King of 2 Miles. He is also the only human to ever hit the maximum distance target target at 3368 yards (1.91 miles). His cartridge choice? The .375 CheyTac. Derek ran Cutting Edge Bullets in Peterson brass with Hodgdon H50BMG powder.
Q: Why did you choose the .375 CheyTac cartridge?
Derek: When I was asked to join the Applied Ballistics Team, I needed to get an ELR rifle built in a short period of time. I was under a very tight time schedule to get the project complete. In an effort to eliminate variables, I decided to keep things standard and as simple as possible. I chose the .375 CheyTac for the ease of getting components. The larger rifles are more difficult to get components quickly and I felt like the .375 CheyTac had enough attributes to be competitive at ELR distances.
Product Tip from EdLongrange. We welcome reader submissions.
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Crosman, the world’s largest airgun manufacturer, has again been awarded the contract to supply Sporter Class air rifles for the U.S. Army JROTC program. The Army will purchase more than 13,000 Crosman Challengers, adding to the more than 4,000 rifles the Army purchased in 2016. The Challenger air rifles will be built at Crosman’s headquarters in Bloomfield, New York.
The Challenger PCP (pre-charged pneumatic) Air Rifle is the preferred .177 sporter class air rifle for competitive marksmanship programs throughout the country, including the Marine Corps JROTC, Army JROTC, Air Force JROTC, Navy JROTC, American Legion, and 4-H. The Challenger is a three-position competition rifle that features a fully adjustable stock, a two-stage, adjustable match grade trigger, a hooded front aperture sight, a micro click, adjustable diopter rear sight, a patented ambidextrous pull bolt, and a floating Lothar Walther™ barrel.
“The Crosman Challenger has long been the preferred air rifle for coaches from a variety of marksmanship programs,” said Jennifer Lambert, VP Marketing & Product Development for Crosman. “We’re proud that the Army JROTC chose to continue our partnership and we can’t wait to see what new championships and records their cadets will achieve.”
In addition to airguns, Crosman sells Lasermax optics and laser aiming devices, and Centerpoint archery products. Crosman is a subsidiary of Compass Diversified Holdings Inc. (NYSE: CODI).
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Shooter Profile by Des Parr, UK
We have a new European F-Open Champion: Paul Hill from the UK. If he looks familiar, it’s because Paul appeared here 12 months ago when he set a new F-Open record score of 100-17X at 900 yards at last year’s European Championships. There are some factors which make Paul’s victory all the more significant. First, he didn’t employ a top gunsmith to do his work — he’s a real working-class here who did it all himself. To keep costs down he taught himself to do all his own machining and bedding. Paul acquired a lathe, learned how to run it, and then carefully did all his own chambering and fitting. He then taught himself how to bed the rifle too. You have to admire a man who teaches himself how to build Championship-winning rifles.
Another unusual factor is Paul’s choice of components. Paul used the Lapua Scenar 180-grain bullet, the same bullet used to set his 2016 record. The 180gr Scenar is a fairly “old-fashioned” shape, but Paul points them using a “shooting shed” pointing tool. For seating, he uses his own home-made die with a Wilson top. Whatever the Lapuas may lack in BC, they more than compensate for in consistency, and that’s the key to success. As an aside, they compare very favourably in tests on the Juenke ICC machine, indicating that they’re very well made indeed.
Paul Hill Equipment List
Paul shot in the F-Open class firing the 7mm RSAUM cartridge, a short magnum. He ran a 30″ Krieger 1:9″-twist barrel mated to a Barnard Model P action bedded in a Joe West laminated stock. His pushed those Lapu8a Scenar with the relatively new Reload Swiss RS70 powder. Paul rates this RS70 propellant very highly. It may be unfamiliar to shooters in the USA, but RS70 is REACH compliant and is likely to become more popular when many other powders are forbidden from the EU next year. Paul is also a big fan of the Russian KVB-7 primer, a very mild and consistent primer — marketed under “Wolf” in the USA.
It is not just about having the right equipment though, it is also all about the application of skills and techniques and Paul was very keen to acknowledge his debt of thanks to Erik Cortina for his reloading techniques and Brian Litz for his writings on range mind set and diet. There is another, until now, secret factor that may have helped Paul. He is an Apiarist (bee-keeper) and he swears by the beneficial effects of his daily honey on toast. Who knows? Perhaps he’s on to something — nothing sells like success, so Paul’s honey sales may take off now just like his shooting career.
Here’s a good video showing F-Class Shooters at Bisley (FieldSports Channel 2015)
2016 Wasn’t So Bad Either
Paul Hill’s 2017 Championship win followed an impressive performance last year. At the 2016 European F-Class Championships at the Bisley Ranges, Paul set a record score at 900 yards: 100-17V! That’s 17 shots placed in a five-inch circle the size of a CD (compact disc) at over half a mile. [NOTE: At Bisley, the maximum score is FIVE points, not ten points. So the maximum score for 20 shots is 100. Also what Americans call an “X” is called a “V” at Bisley.]
Record Set with Slower Pair Firing Method
The style of shooting in Great Britain is pair-firing. Under this procedure, each of two competitors shoots alternately, taking turns from shot to shot. Each shooter has 45 seconds to take his shot. Allowing for the target pullers to do their jobs, this means that each shot can take up to one minute. As Paul was pair firing, he had to concentrate for up to 40 minutes to get all 20 shots off! You can imagine how many times the wind changed course in those 40 minutes –pick-ups, let-offs, changes of angle and direction. Paul had to counter each change and still managed to put 17 shots in that 5-inch circle!
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Lyman has just announced more rebates on some very popular products. You can now get $50.00 off Lyman reloading kits: T-Mag Expert Kit Deluxe, and the Crusher Expert Kit Deluxe. In addition, you can get $25.00 off three of Lyman’s most popular products: Cyclone Rotary Tumbler, T-Mag II Turret Press, and Gen5 Digital Powder System. For pistoleros, Lyman is also offering $10.00 rebates on the Pachmayr G-10 and Renegade Laminate Pistol Grips. With Lyman’s Fall Mail-In Rebate Program you can get $10.00, $25.00, or even $50.00 back on some of Lyman’s best-selling products. The Fall Rebate Program applies to products purchased from any Lyman Dealer from October 15th through December 31, 2017. CLICK HERE for the Rebate Redemption Form.
To receive the rebate simply mail the Redemption Form along with a copy of the original receipt of the eligible product(s) directly to Lyman Products. The rebate form can be downloaded at www.lymanproducts.com/rebate. Rebate offer is valid only when a qualifying product is purchased from an authorized participating retailer.
Rebate tip from EdLongrange. We welcome reader submissions.
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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 out 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.* Image courtesy Sinclair International which carries a variety of Full-length dies.
Whidden 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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Ask 10 shooters about barrel cleaning and you’ll get 10 different opinions. This reflects that fact that different fouling problems demand different solutions. For example, solvents that work well for copper may not be the best for hard carbon (and vice-versa). To come up with the right solution, first you must understand the nature of the fouling in your barrel.
John Krieger Interview with AccurateShooter at SHOT Show:
The debate about the proper care of a match barrel is a hot one, spiked with folklore and old wives’ tales, Lohman said. He and his staff set out to set the record straight: “We tried to interject some science into the discussion of cleaning a match barrel,” he explained. In his article, Lohman writes:
Why worry about a little barrel fouling when the throat is subjected to a brutal 5,600° F volcano at 55,000 PSI? To investigate these and other questions about taking care of a match barrel, we spoke with a dozen experts and share their knowledge in this first of a series of articles.
After listening to folks who shoot, build barrels or manufacture cleaning solvents for a living, we concluded that even the experts each have their own unique recommendations on how to care for a match barrel. But they all agree on one thing — the gun will tell you what it likes best. Because the life expectancy of a match barrel is about 1,500 to 2,500 rounds, the objectives of cleaning one should include: preserve accuracy, slow the erosion, and remove fouling — all without damaging the gun. This article doesn’t claim that one cleaning method is better than the next. Rather, we set out to interject a little science into the discussion and to share some lessons learned from experts in the field.
For more Shooting Sports USA articles, visit www.ssusa.org.
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Trigger images from 
Paul Hill Equipment List
