Hunting season is coming up, so it’s time to get your rifle squared away. You’ll want to zero that rifle before the hunt, and you need to know how your shots will impact with a cold barrel.
Commonly, hunters won’t have the ability to fire one or two fouling shots before heading out on a hunt. Therefore it’s important that a hunter understands how his rifle shoots with a “cold bore shot”. Both the point of impact (and possibly velocity), may be different with a cold bore than with a barrel that has been warmed and fouled with a series of shots. In this video from the U.S. Army Marksmanship Unit (USAMU), you’ll learn how to determine your cold bore point of impact (POI) for a rifle that just been cleaned, as well as the cold bore POI with a barrel that has already been “fouled in”.
SGT Joe Hein of the USAMU shows how to plot cold bore POI with both a clean bore and a fouled bore. Note that the “cold bore” shot from a fouled barrel was closer to the follow-up shots than the cold bore shot from a clean barrel. This is typical of many factory barrels. SGT Hein provides a simple way to understand your rifle’s cold bore performance. Hein’s advice can keep you from missing that long range shot at that big buck on opening day. A little time spent on the range before that critical first shot will help ensure you have meat in the freezer this season.
Efficient cartridges make excellent use of their available powder and case/bore capacity. They yield good ballistic performance with relatively little recoil and throat erosion.
Cartridge Efficiency: A Primer (pun intended!)by USAMU Staff
The U.S. Army Marksmanship Unit (USAMU) published a series of reloading articles on its Facebook Page. In this article, the USAMU discusses cartridge case efficiency and its benefits. While this is oriented primarily toward NRA High Power Rifle and Long Range (1000-yard) competition, these factors also apply to medium/big game hunters. Assuming one’s rifle and ammunition are accurate, key considerations include ballistic performance (i.e., resistance to wind effects, plus trajectory), recoil, and throat erosion/barrel life.
Efficient cartridges make excellent use of their available powder and case/bore capacity. They yield good ballistic performance with relatively little recoil and throat erosion. A classic example in the author’s experience involved a featherweight 7x57mm hunting/silhouette rifle. When loaded to modern-rifle pressures, just 43-44 grains of powder pushed a 139gr bullet at 2900 fps from its 22” barrel. Recoil in this light rifle was mild; it was very easy to shoot well, and its performance was superb.
An acquaintance chose a “do everything” 7mm Remington Magnum for use on medium game at short ranges. A larger, heavier rifle, it used ~65 grains of powder to achieve ~3200 fps with similar bullets — from its 26″ barrel. Recoil was higher, and he was sensitive to it, which hampered his shooting ability.
Similarly efficient calibers include the 6mm BR [Norma], and others. Today’s highly-efficient calibers, such as 6mm BR and a host of newer developments might use 28-30 grains of powder to launch a 105-107gr match bullet at speeds approaching the .243 Winchester. The .243 Win needs 40-45 grain charges at the same velocity.
Champion-level Long Range shooters need every ballistic edge feasible. They compete at a level where 1″ more or less drift in a wind change could make the difference between winning and losing. Shooters recognized this early on — the then-new .300 H&H Magnum quickly supplanted the .30-06 at the Wimbledon winner’s circle in the early days.
The .300 Winchester Magnum became popular, but its 190-220gr bullets had their work cut out for them once the 6.5-284 and its streamlined 140-142gr bullets arrived on the scene. The 6.5-284 gives superb accuracy and wind performance with about half the recoil of the big .30 magnums – albeit it is a known barrel-burner.
Currently, the 7mm Remington Short Action Ultra-Magnum (aka 7mm RSAUM), is giving stellar accuracy with cutting-edge, ~180 grain bullets, powder charges in the mid-50 grain range and velocities about 2800+ fps in long barrels. Beyond pure efficiency, the RSAUM’s modern, “short and fat” design helps ensure fine accuracy relative to older, longer cartridge designs of similar performance.
Recent design advances are yielding bullets with here-to-fore unheard-of ballistic efficiency; depending on the cartridge, they can make or break ones decision. Ballistic coefficients (“BC” — a numerical expression of a bullet’s ballistic efficiency) are soaring to new heights, and there are many exciting new avenues to explore.
The ideal choice [involves a] balancing act between bullet BCs, case capacity, velocity, barrel life, and recoil. But, as with new-car decisions, choosing can be half the fun!
Factors to Consider When Evaluating Cartridges
For competitive shooters… pristine accuracy and ballistic performance in the wind are critical. Flat trajectory benefits the hunter who may shoot at long, unknown distances (nowadays, range-finders help). However, this is of much less importance to competitors firing at known distances.
Recoil is an issue, particularly when one fires long strings during competition, and/or multiple strings in a day. Its effects are cumulative; cartridges with medium/heavy recoil can lead to shooter fatigue, disturbance of the shooting position and lower scores.
For hunters, who may only fire a few shots a year, recoil that does not induce flinching during sight-in, practice and hunting is a deciding factor. Depending on their game and ranges, etc., they may accept more recoil than the high-volume High Power or Long Range competitor.
Likewise, throat erosion/barrel life is important to competitive shooters, who fire thousands of rounds in practice and matches, vs. the medium/big game hunter. A cartridge that performs well ballistically with great accuracy, has long barrel life and low recoil is the competitive shooter’s ideal. For the hunter, other factors may weigh more heavily.
Cartridge Efficiency and Energy — Another Perspective
Former Lapua staffer Kevin Thomas explains that efficiency can be evaluated in terms of energy:
“Cartridge efficiency is pretty straight forward — energy in vs. energy out. Most modern single-based propellants run around 178-215 ft/lbs of energy per grain. These figures give the energy potential that you’re loading into the rifle. The resulting kinetic energy transferred to the bullet will give you the efficiency of the round. Most cases operate at around 20-25% efficiency. This is just another way to evaluate the potential of a given cartridge. There’s a big difference between this and simply looking at max velocities produced by various cartridges.”
Image from 2021 when Amanda was serving with the USAMU.
Amanda Elsenboss has won the 2023 NRA National High Power Rifle (Mumma Trophy) and Service Rifle (Dupont Trophy) Championships with a Grand Aggregate score of 2387-113X. Shooting at Camp Atterbury in Indiana, Elsenboss set a new Service Rifle record and also earned High Woman and High National Guard honors. Amanda was a member of the USAMU Team for many years and now serves in the National Guard. This is not Amanda’s first trip to the podium — she also won the NRA High Power Championship in 2021 shooting a service rifle in all matches (Read More HERE). And last year, Amanda won the prestigious President’s 100 Match at Camp Perry, the first woman in history to do so.
At the 2023 NRA National High Power Rifle Championships, held July 8-14th at Camp Atterbury Elsenboss triumphed over a strong field of 54 of the nation’s top service rifle competitors.
Here are Elsenboss’s individual 2023 Championship scores, event by event:
Grand Aggregate — 2387-113X
Erdman Trophy – 594-21X
Centenary Trophy – 596-28X
Nevada Trophy – 795-34X
Scott Trophy – 200-15X
Crescent Cup – 199-5X
Crowell Trophy – 199-11X
Marine Gunner DI Boyd II Memorial Trophy – 1190-49X
Vandenberg Cup – 796-40X
Clarke Trophy – 796-39X
In addition, Elsenboss, who shoots with Team Berger, was a member of the Veteran’s Family Brigade Anderson team, who won the RNDC Trophy team match with a 1985-93X score. Team members included: Samuel Freeman, Hugo Adelson, Julia Carlson, James Mauer (Captain), and Norman Anderson (Coach).
For her service rifle, Elsenboss used Berger .22 Cal 80.5gr Fullbore Target Rifle bullets and 77gr OTM Tactical Rifle bullets. Elsenboss will also be competing at the 2023 Civilian Marksmanship Program (CMP) National Rifle Matches at Camp Perry.
About Berger and Capstone Precision Group
Berger manufactures precision projectiles and match-grade ammunition for Target, Hunting, and Tactical applications in Mesa, Arizona. Berger is part of the Capstone Precision Group, the exclusive U.S. distributor for Berger, Lapua, Vihtavuori and SK-Rimfire products. For more information, visit Bergerbullets.com.
SFC Brandon Green Fires 2023 First Shot at Camp Perry Matches
The First Shot Ceremony for the 2023 Camp Perry National Matches took place July 10, 2023. The star of the show was Sergeant First Class (SFC) Brandon Green of the USAMU, one of the greatest marksmen in American history. Brandon delivered a speech and kicked off the competition with the First Shot (see above), taken with a famed Winchester Model 70 used by Gary Anderson 51 years ago.
SFC Green is truly one of the greatest shooters on the planet. His record in major competitions is truly remarkable. Green has won three NRA National High Power Championships, and in winning the 2022 NRA Long Range Championship, Brandon became the first person in history to win all four individual matches in the series: the Wimbledon Cup, the Mustin Trophy, the Leech Cup, and the Remington Band of Brothers Trophy. Green, from Box Springs, Georgia, is the first shooter to accomplish this feat in the history of the National Trophies, spanning more than a century of championship rifle competition. In addition, Green has won the Interservice Long Range championships five times and the Interservice Individual Championship four times.
SFC Brandon Green Fires Cannon at Conclusion of First Shot Ceremony
CLICK HERE for gallery of photos from 2023 First Shot Ceremony at Camp Perry.
Green has had a stellar marksmanship career. First Shot Ceremony Emcee and CMP Programs Chief, Christie Sewell noted: “His historic 2018 shooting season finished with Brandon earning four individual national records, capturing his first President’s 100 Match win in dramatic fashion. He set a new national record – a perfect score of 400, with a 20 ‘X’ count. That year he also won his third National Trophy Individual championship and third Mountain Man Trophy, setting a new national record.”
Green Fires First Shot with Gary Anderson’s Famed Winchester Model 70
Green was given the opportunity to choose his gun for the ceremonial first shot, so he chose the bolt-action Winchester Model 70 that Director Emeritus of Civilian Marksmanship, Gary Anderson, used in 1972 to set the only perfect 200-yard standing slow-fire score at the National Matches. “To shoot it was absolutely a huge honor,” Green said. “I was shooting a piece of history.”
The gun’s story begins long before that historic shot. “This gun plays a special role in the history of marksmanship,” said Anderson. “It started as my dad’s rifle and was converted to a match rifle. In 2019, I used it to shoot the first shot, so it’s been here at the First Shot Ceremony a couple times.”
Brandon Green Joins Rimfire Match before First Shot Ceremony
Green, a 20-year member of the U.S. Army Marksmanship unit, arrived at Camp Perry a few days ahead of the rest of his USAMU teammates. SFC Green wanted a few days, he said, to collect his thoughts and prepare the First Shot Ceremony speech he would deliver to the hundreds of people attending the event. But he got sidetracked. As he walked across the Petrarca Range parking lot, he stopped to watch men and women compete in the Smallbore Prone Iron Sight Championship and to talk to CMP Smallbore Program Manager Brad Donoho.
“I told Brad it looked fun and said I’ll have to find a rifle,” Green said. “Brad said I’ve got a guy who has an extra rifle. I borrowed a gun and borrowed ammo and had a lot of fun.”
Members of Congress and CMP Chairman/CEO Attend First Shot Ceremony
The July 10 First Shot ceremony was attended by hundreds of marksmen, National Matches competitors, and dignitaries in the legislative, marksmanship, and military worlds. Guest speakers were Congresswoman Marcy Kaptur (Ohio); Congressman Bob Latta (Ohio); Major General John C. Harris Jr.; and Gerald O’Keefe, Chairman of the Board and Chief Executive Officer of the Civilian Marksmanship Program. O’Keefe talked about the impact the National Matches’ long history has made on marksmanship, and he said the CMP is committed to carrying that impact into the future.
Emil Praslick III is widely recognized as one of the greatest wind wizards on the planet — a master at identifying wind value and direction, and predicting wind cycles. As coach of the USAMU and top civilian teams, Emil has helped win many high-level championships. In the three videos we feature today, Emil, who works with Capstone Precision Group (Berger, Lapua, SK, Vihtavuori) and Team Applied Ballistics, explains how to determine wind direction and velocity using a variety of indicators. Praslick, now retired from the U.S. Army, was an 18-time National and 2-time World Champion coach with the USAMU.
Video ONE: Wind Theory Basics — Understanding “Wind Values”
In this video from UltimateReloader.com, Emil explains the basics of modern wind theory. To properly understand the effect of the wind you need to know both the velocity of the wind and its angle. The combination of those variables translates to the wind value. Emil also explains that the wind value may not be constant — it can cycle both in speed and velocity. Emil also explains some of the environmental conditions such as mirage that can reveal wind conditions.
Video TWO: Determining the Direction of the Wind
Key Point in Video — Find the Boil
Emil explains how to determine wind direction using optic. The method is to use spotting scope, riflescope, or binoculars to look for the “Boil” — the condition in mirage when the light waves rising straight up. The wind will generate that straight-up, vertical boil in your optics when it is blowing directly at you, or directly from your rear. To identify this, traverse your scope or optics until you see the boil running straight up. When you see that vertical boil, the direction your optic is pointing is aligned with the wind flow (either blowing towards you or from directly behind you).
Video THREE: The No Wind Zero Setting
In this second video, Emil defines the “No-Wind Zero”, and explains why competitive shooters must understand the no-wind zero and have their sights or optics set for a no-wind zero starting point before heading to a match. In order to hit your target, after determining wind speed and direction, says Emil, “you have to have your scope setting dialed to ‘no wind zero’ first.”
Coach of Champions — Emil Praslick III
SFC Emil Praslick III, (U.S. Army, retired) works with Berger Bullets and Applied Ballistics. Emil served as the Head Coach of the U.S. National Long Range Rifle Team and Head Coach of the USAMU for several years. Teams coached by Emil have won 33 Inter-Service Rifle Championships. On top of that, teams he coached set 18 National records and 2 World Records. Overall, in the role of coach, Praslick can be credited with the most team wins of any coach in U.S. Military history.
The Civilian Marksmanship Program (CMP) is privileged to announce the 2023 National Matches First Shot Speaker will be renowned rifle marksman Sergeant First Class (SFC) Brandon Green. After being part of the U.S. Army Marksmanship Unit (USAMU) since 2004, Green has announced his retirement in 2023 — making this year’s National Matches his last in uniform.
SFC Green is a shooting superstar — one of the most talented riflemen on the planet. He is a multi-time High Power Rifle National Champion. SFC Green was the 2022 Overall Long Range Champion, and he won every other major individual NRA Long Range Trophy in 2022 — something never done before. With this truly dominant Long Range performance, along with his three previous National High Power Championships, Green has established himself as one of the greatest American marksmen who has ever lived.
In 2022, Green was the first shooter to sweep ALL FOUR NRA Long Range Championship events. Green is also a 5-time champion of the Interservice Long Range Championships.
With the USAMU, he has been an integral part of multiple record-setting teams in both service rifle and long range rifle and has acted as the lead instructor of the unit’s Marksmanship Training courses. Green also served as Team Chief for the USAMU Service Rifle Team until 2022.
SFC Brandon Green Marksmanship Highlights
SFC Brandon Green is a multi-time Service Rifle National Champion. At the National Matches in 2017, Green fired a record score of 499-30X during the National Trophy Individual (NTI) event. He went on to earn the Mountain Man title, setting a national record score, beating the score the following year for a new record of 1296-83X that still stands today. Additionally, in 2017, he earned the championship title during the CMP’s inaugural 2400 Aggregate Rifle event during the National Matches High Power rifle series.
Green is a three-time winner of the Mountain Man Trophy, awarded to the highest aggregate score in the President’s Rifle, NTI, and National Trophy Team (NTT) matches, and is a three-time winner of the NTI itself, among several other individual National Trophy wins and records.
SFC Brandon Green — 300m Rapid Fire Prone Training with Tubb 2000: You’ll be amazed at how quickly and smoothly SFC Green cycles this bolt-action rifle.
Greene Shoots Perfect Score at President’s 100
At the 2018 National Matches, Green fired a new national record for the prestigious President’s 100 Match, shooting a perfect score of 400-20X while winning the match. No other competitor had ever achieved a perfect score in the President’s 100 match since the event began (in its current form) in 1894.
SFC Green’s Military Accolades
Green has earned many military accolades, including being named Soldier of the Year by the Military Marksmanship Association in 2013. Along with his marksmanship honors, his military awards include the Meritorious Service Medal (3), Army Commendation Medal (2), Army Achievement Medals (4), Good Conduct Medal, Afghanistan Campaign Medal, National Defense Service Medal, Global War on Terrorism Service Medal, Noncommissioned Officers Professional Development Ribbon and the Army Service Ribbon.
About the First Shot Ceremony at Camp Perry
Each year, the First Shot Ceremony serves as a welcoming event for the National Rifle and Pistol Matches at the Camp Perry National Guard Training Facility. The National Matches attract the nation’s top rifle and pistol shooters for a month of competitions.
The 2023 First Shot Ceremony takes place Monday, July 10, at 4:30 p.m. on the grounds of Camp Perry. SFC Green will speak and make the traditional First Shot to officially open the National Matches. Green will be firing the M70 bolt rifle once used by DCM Emeritus and two-time Olympic Gold Medalist, Gary Anderson, to shoot the National Matches 200-yard standing record in 1971.
Here are Cadets Hayle and Jesse Mayer, from the Texas A&M Reserve Officers’ Training Corps (ROTC), at the 2023 U.S. Army Small Arms Championships at Fort Benning, Georgia in March 2023. The annual, live fire training event is open to Army ROTC cadets and all soldiers in the active duty, Army Reserve, and National Guard, and is therefore commonly called the ‘All Army’. CLICK HERE to Read Full Story on USAMU website. (Photo by Lt. Col. Michelle Lunato.)
Cadet Sisters Compete at the U.S. Army Small Arms Championships Story by Lt. Col. Michelle Lunato U.S. Army Marksmanship Unit
This year’s U.S. Army Small Arms Championships was more than just a unique training event for two Texas A&M ROTC cadets, it was a family affair. Cadets Hayle Mayer and Jesse Mayer, who are sisters, participated in the week-long, comprehensive, live-fire marksmanship training event that brings together more than 250 soldiers from across the U.S. Army to the Maneuver Center of Excellence.
The annual event, which is commonly called the “All Army”, is hosted by the U.S. Army Marksmanship Unit (USAMU) and begins with All Army competitors receiving a variety of classes from the USAMU champions and experienced trainers.
After that, the soldier competitors, who were a mix of service members from active duty, Reserve, National Guard, and ROTC, competed in 11 different courses of fire during the week … both rifle and pistol matches, with and without combat gear, as well a 4-stage multi-gun match.
As a senior, All Army 2023 was Jesse’s second year to compete and the cadet said each year has been extremely helpful in developing her soldier skills. “I think both times that I have come here, I have really grown as a marksman … just learning the basics, what I am capable of, watching improvement each year, and just learning how complex marksmanship is. It’s been really incredible each time.”
For her sophomore sister, Hayle, it was her first All Army experience. With limited prior marksmanship experience … Hayle said she was trying to absorb all that she could. “I am just learning basically everything you can about shooting.”
Cadet Hayle Mayer, with Texas A&M ROTC, competes in the Bullseye Pistol Match at the 2023 U.S. Army Small Arms Championships at Fort Benning, Georgia.
Sisters Come from a Multi-Generation Military Family
Though Hayle and Jesse may at be different levels of marksmanship knowledge, the sisters say that military life in general is nothing new to them. In fact, they were born into that life since both their parents were Marines, both grandfathers were soldiers, and a grandmother was an Airman.
That meant that military life was just always there. It’s what we saw and respected, Jesse explained. “Everyone was so disciplined and so patriotic. There was just such a higher purpose to the military that I always saw, and I wanted to be part of that.”
So when it came time for college, joining an Army ROTC program was nothing out of the ordinary because both our parents instilled a strong sense of independence and strength in us, Jesse said.
“Growing up, I watched it — the honor, the sacrifice, and what it meant to give back and serve other people, your Country and your family.”
With all that, Jesse is proud to say that she is contracted to commission in May of 2024 and looks forward to carrying on her family’s tradition of service.
“It means a lot to me to serve my Country, to push myself in any way that I can, and it is part of a family legacy — being in the military — and I just want to complete that and do that for my family.”
Each summer for the past 100 years, the nation’s top Service Rifle Teams have competed in National Trophy Infantry Team (NTIT) Match at Camp Perry, Ohio. In this match, known informally as the “Rattle Battle”, six-member teams shoot at 200, 300, 500 and 600 yards with time limits — 384 rounds total. To win this match, the six shooters must work like a finely-tuned machine. This is a popular match with spectators as there is plenty of action in a short time span.
The National Trophy Infantry Team Match (NTIT) was first fired in 1922. Only four civilian teams have ever won the prestigious Infantry Trophy that goes to the winner of this match. The first civilian team to win this honor (we are told) was the Massachusetts Team in 1929 followed by a Nebraska Civilian Team in 1930. Seventy-nine years later, in 2009, the California Grizzlies Junior Team won the Infantry Trophy.
The Infantry Trophy Team Match is a unique event where scoring is based on how many hits six-person teams, which begin the match with 384 rounds of ammunition, can score on banks of eight silhouette targets at distances of 600, 500, 300 and 200 yards during 50-second firing periods. The NTIT is sometimes called the “Rattle Battle” because it requires firing, moving to the next firing point with all gear in tow. The match emphasizes extremely fast, accurate fire and good communication among teammates. CLICK HERE for more information.
This video shows the winning 2011 NTIT team at Camp Perry. Six USAMU shooters started with a combined load of 384 rounds to be fired at 8 targets from 600 and 500 yards prone, then 300 yards seated, and finally 200 yards standing.
For the past two years (2021 and 2022) the USAMU-Greenwood Team has won the title with a 1431 score in 2021 and 1344 in 2021. The record team score for this match is 1466, set by the USAMU-Remily Team in 1996. For more information about this great team event, read Unraveling the Mystery of the Rattle Battle on the Shooting Sports USA website.
The National Trophy Infantry Team Match (NTIT) was first fired in 1922 and has been part of the the CMP’s annual National Rifle Matches at Camp Perry. The NTIT is called the “Rattle Battle” because it emphasizes extremely fast, accurate fire.
Our friend Grant U., who runs the Precision Shooting Journal on Facebook, says the NTIT is a special match, a real “crowd-pleaser: “The National Trophy Infantry Team Match (Rattle Battle)… was always one of my favorite team events. It takes a hell of a lot more planning, practice, and precision than one might expect. You get one shot at it and the entire team had better be running on all cylinders because there are no alibis. Each team of six shooters is allocated 384 rounds and when the teams fire at 600 and 500 yards, it sounds like a war.”
SFC Brandon Green, one of the nation’s finest marksmen, won the 2018 NRA High Power Rifle Championship at Camp Atterbury, Indiana.
PHOTOS courtesy U.S. Army Marksmanship Unit. U.S. Army photos by Michelle Lunato/released. See more on USAMU Facebook Page.
The U.S. Army Marksmanship Unit (USAMU) has created a series of instructional videos about High Power Rifle shooting, Service Rifle shooting, 3-Gun matches, and pistol competition. We’ve linked five of these informative USAMU videos today along with a special profile video on Amanda Elsenboss, who, as a USAMU shooter, has won both the Long Range and High Power National Championships in recent years.
In addition, as a major BONUS, we link twenty (20) informative articles authored by expert USAMU shooters and coaches. Those excellent, detailed articles covering a wide range of topics including rifle positions, wind reading, fitness training, trigger control, nutrition, training plans, and much more.
Amanda Elsenboss — National HP and Long Range Champion
The gifted SSG Amanda Elsenboss won the 2019 NRA Long-Range Championship and the 2021 High Power National Championship. In 2022 Amanda also won the National President’s Rifle Match, the first woman ever to do so. Those accomplishments place Amanda among America’s legendary shooters. Amanda started shooting at age 8 with her father, then began competitive marksmanship at age 13. In 2009, she joined the U.S. Army as part of the USAMU rifle team. She has left full-time service, but is now a member of the Pennsylvania National Guard.
Sight Alignment and Trigger Control
In this USAMU Shooter’s Corner instructional video, SFC Kenneth Rose explains key elements of using sights on a service rifle. Rose also explain how to make the trigger pull at the optimum moment when the sights are perfectly aligned and steady.
How to Set Up Sling and Rifle for Prone Shooting
In this video, the USAMU’s SGT Jonathan Wannemacher explains how to set up a service rifle sling for prone rifle shooting. Wannemacher has earned a number of coveted awards including the the Distinguished Rifleman Badge and President’s Hundred Tab.
Rifle Grip, Stance, and Body Position for 3-Gun Action Matches
SFC Daniel Horner, now with SIG Sauer, is arguably the best 3-Gun action shooter on the planet. Horner has won multiple major 3-Gun Championships, shooting rifle, shotgun, and pistol in timed action matches. Horner’s speed, accuracy, and mobility is without peer. In this video, Horner shows techniques for AR-type rifle shooting in 3-Gun competition.
Amazing Trick Shot with Air Rifle
In this Trick Shot Tuesday video SPC Ivan Roe shoots a pill (at two different angles) off the top of a balloon. Very impressive shooting! Ivan hails from Manhattan, Montana and has been a notable member of the USAMU International Rifle Team.
How to Use Data Books During Matches
Data books can be very valuable tools during marksmanship training. In this video, USAMU shooter SGT Lane Ichord explains Data Book basics and how to log information during practice and matches.
BONUS: 20 Marksmanship Articles from USAMU Experts
USAMU shooters and coaches have written an excellent series of articles on highpower and service rifle shooting. Many of these originally appeared in The First Shot, the CMP’s on-line magazine. Here are twenty notable USAMU expert articles:
On Wednesdays, the U.S. Army Marksmanship Unit often publishes a reloading “how-to” article on the USAMU Facebook page. One “Handloading Hump Day” post covered bore-cleaning, specifically the use of pull-through style bore-snakes. Visit the USAMU Facebook page each Wednesday for other helpful tips.
Today, we’ll shift from handloading to rifle bore cleaning and maintenance, with information courtesy of the USAMU’s Custom Firearms Shop. We recently had some inquiries about bore cleaning, and this seems a good opportunity to share. After all, even the best handloads won’t yield their full potential in a poorly-cleaned and maintained rifle.
NOTE: Hoppes claims a trademark on the term “BoreSnake” (one word, no hyphen). For this article, the USAMU has used the term in hyphenated form, two words. We believe the USAMU is referring to a Hoppes Brand Boresnake, not a different bore cleaning rope.
BORE-SNAKES: MIRACLE REPLACEMENT FOR THE CLEANING ROD?
The experiences of both our firearms test specialist and this writer have given no evidence that proper use of a clean bore-snake will damage a match barrel. Of course, one does not pull the bore-snake at an angle to the crown when removing it — pull it straight out, parallel to the bore’s direction, to prevent crown wear over time.
Bore-snakes are very useful for some applications (primarily a hasty, interim wipe-down). In [my] experience they cannot replace a thorough cleaning with a proper rod and brushes. While the experiment cited here involves rimfire, it may help illustrate. Several years ago, the writer used his new, personal Anschutz to investigate the bore-snake issue. It had been fired ~350 rds with match ammo and had had 3 typical rod/brush cleanings.
Next, starting with a clean bore, the writer fired 300 more rounds without cleaning in order to build up a “worst-case” fouling condition. Afterwards, the writer examined the bore with a Hawkeye bore scope. There was a uniform, grey film down the entire barrel, with some small, intermittent lead build-up at and just forward of the throat.
Some bore-cleaning rope products feature separate, detachable bronze brush and bore mop segments. This allows more usage options (e.g. mop only), and makes it easier to clean the brush elements:
A new bore-snake was then wet with solvent and pulled through the bore. The Hawkeye revealed that the grey fouling was gone, and much of the visible fouling at the throat was reduced. However, nine more passes with the bore-snake, checking after each with the Hawkeye, revealed no further improvement in cleaning. The writer then cleaned with two wet patches, observed, then one stroke of a new, wet bronze brush, and one wet patch to clean out residue.
The Hawkeye showed a significant reduction in fouling at the throat; it was virtually gone. A second pass with a wet bronze brush and a wet patch removed the remaining fouling. Scrubbing the bore further, checking to see how much fouling was removed, revealed no significant improvement. The reason for this test was to learn what’s needed to get (and keep) this Anschutz clean with minimal cleaning rod use — and thus, minimal risk of bore damage/wear. Leaving fouling in the bore promotes corrosion over time.
Obviously, this applies to a nice, smooth rimfire match barrel, using good, well lubed ammo. It doesn’t apply directly to the use of copper-jacketed bullets, which leave a stubborn fouling all their own. However, it does suggest that while the bore-snake can be helpful and a useful field-expedient, to truly clean a rifle barrel one will still need a good quality rod, bronze brush and solvents. [Editor: Add a good-fitting cleaning rod bore guide.]
SO, WHAT ABOUT BORE SNAKES FOR BARREL BREAK-IN?
The goal of barrel break-in is to fire each shot through a clean barrel, preventing copper buildup and allowing the bullets their best chance at burnishing sharp edges. Thus, it seems this purpose would be best served by one’s usual rods, brushes and rod guides.