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October 3rd, 2024

Shoot Better by Working on Marksmanship Fundamentals

Still Tac30 action tactical rifle Ryan Cleckner book
Photo by Forum member GAT. Chambered in 6-6.5×47 Lapua, this rifle features a Stiller TAC30 action, Krieger barrel, Harrells brake, Konohawk Stock, and Sightron SIII 6-24x50mm scope.

Ryan Cleckner has created many good shooting videos for the NSSF, such as his excellent Understanding MOA Video. Ryan is noted for his ability to explain complex topics in an easy-to-comprehend manner. This video, covering the fundamentals of shooting, has been viewed over 3.7 million times! It’s worth watching, particularly for guys getting started in PRS/practical competitions.

In this video, Ryan Cleckner reviews proper technique for rifle shooters. A stable platform, sight alignment, sight picture, and trigger control are key fundamentals to shooting properly. This is basic stuff, but Cleckner presents it in a clear, logical fashion. This is a good video for novice shooters.

Tip on Viewing Your Reticle:
Cleckner: “Sometimes it can be difficult to focus between the target and the reticle, even with the parallax adjusted properly. I recommend you focus only on the reticle. Just like the front sight on a rifle or a handgun, that reticle is what you can control, and it’s what matters. Focus on a crisp, clear reticle, in a stable platform, and all that’s left is trigger control.”

Tip on Trigger Control:
Cleckner: “Trigger control is pretty straightforward, as long as you think about it as a continuous process, and not just one thing that happens. I like to think about it as drawing a line in the dirt. I like to think about this constant pressure that I’m adding as I draw this line straight back, and then… continuing to draw that line even as the rifle goes off. That’s the good follow-through you’ll need.”

Long Range Shooting Handbook — A Good Resource
Cleckner has authored a book, the Long Range Shooting Handbook, which expands on the topics covered in the above video. You can view Sample Chapters from Ryan’s Book on Amazon.com.

ryan cleckner long range handbook bookRyan Cleckner’s LR Shooting Handbook is designed as an intro to important fundamental concepts such as MOA vs. Mils, External Ballistics, and Environmental Effects. Included are personal tips and advice based on Cleckner’s years of experience as a sniper instructor and special operations sniper.

The Long Range Shooting Handbook is divided into three main categories: What It Is/How It Works, Fundamentals, and How to Use It. “What It Is/How It Works” covers equipment, terminology, and basic principles. “Fundamentals” covers the theory of long range shooting. “How to Use It” gives practical advice on implementing what you’ve learned, so you can progress as a skilled, long range shooter.

As a long-range shooting expert, Ryan Cleckner has impressive credentials. Cleckner was a special operations sniper (1/75 RGR) with multiple combat deployments, and he has served a U.S. Army sniper instructor. Currently he works as a firearms industry executive and attorney.

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October 2nd, 2024

New Three-Position Air Rifle Rules Released

position air rifle 3par rules rulebook 2024 cmp
3PAR’s most popular category is the Sporter Class where air rifles may not cost more than $700 now and where the use of special clothing/accessories is generally prohibited. The rifle is a Crosman CH2021.

Based on article By Gary Anderson, DCM Emeritus
Three-Position Air Rifle (3PAR) is the most popular junior rifle program in the USA with more than 2,000 high school JROTC programs, hundreds of 4-H Shooting Sports clubs, and several hundred junior rifle clubs. An estimated 250,000 to 300,000 American youths participate annually in 3PAR programs. The primary national governing body for this youth sports program is the National Three-Position Air Rifle Council [which] governs this discipline through its rulebook, the National Standard Three-Position Air Rifle Rules.

junior rotc cmp air rifle

The newest version of official 3PAR rules, the 15th 2024-2026 Edition, has just been released. An electronic PDF version of the new rulebook is posted on the CMP website. And you can CLICK HERE for a “Summary of Changes in the 15th Edition 2024-2026 National Standard Three-Position Air Rifle Rules”. Printed copies of the new rulebook will be available in a few weeks.

Notable 3PAR Rule Changes

ISSF RULE COORDINATIONposition air rifle 3par rules rulebook 2024 cmp
With many 3PAR precision class athletes also competing in USA Shooting competitions, which follow ISSF rules … the National Council has concluded that it must keep 3PAR Rules closely aligned with ISSF Rules. The new 3PAR Rules include several paragraphs that are adapted from recently revised ISSF rules. Recent ISSF rule changes regarding sight height, fore-end depth, and butt-plate measurements are included. An athlete’s visor can now touch the rear sight if it is made of “flexible material.” An ISSF change to the standing position rule is added.

POSITION FIRING ORDER
Recent 3PAR Rules offered the option of firing the positions in the original prone-standing-kneeling order or in the newer international standard kneeling-prone-standing order. The overwhelming share of 3PAR match sponsors are already using the kneeling-prone-standing order, so it made sense to bring 3PAR Rules in line with how the rest of the world is shooting three-position rifle competitions. The prone-standing-kneeling firing order has been deleted from the new rules.

JUNIOR EIC AWARD PROGRAM
This program is one of the most popular features of the entire 3PAR Program. It awards Junior Distinguished Badges and other distinctions to athletes who earn “EIC credit points” in EIC Cup Matches and National Championships. The provision allowing Virtual Cup Matches that could be conducted at multiple sites with electronic connections has been deleted. Virtual EIC Cup Matches were authorized during the COVID era when team travel was severely restricted.

PRINTED RULES AND DOWNLOADABLE SUPPORT DOCUMENTS
Previous editions of the 3PAR Rules included support documents that were not part of the rules. The following documents are no longer in the rulebook, but they are available on the CMP website: Summary of Rule Changes in the 2024-2026 Rulebook; Team Entry and Eligibility Declaration Form; Sanctioning Matches (Instructions and Forms); Range Officer Scripts.

Sporter Air Rifles and Implementation of Electronic Targets

Sporter Class Competition. The 3PAR Council seeks to make competition practical for as many schools, junior clubs, and individuals as possible by limiting rifle costs and not allowing expensive equipment such as pricey shooting jackets. The new rules raise the maximum air rifle cost from $650 to $700. A major 3PAR program advance has been the replacement of pneumatic, pump air rifles with compressed air sporter class air rifles. The new Crosman CH2021 (CA) now dominates Sporter Class competition.

crosman ch2021 air rifle cmp

Electronic Target Scoring. Visual Image (VIS, Orion) scoring has almost completely replaced manual scoring. The Council/CMP has sanctioned over 200 Cup/EIC matches so far in 2024; all those matches were either scored with Orion or were conducted on electronic targets. Scoring targets manually has become almost completely obsolete. Electronic targets are being installed in more and more 3PAR ranges. All 3PAR National Championships are now conducted on electronic targets on ranges at Camp Perry, Anniston, the CMP Mobile Range, or the Olympic Training Center. Scopos Athena targets have now been installed in 350 10-meter ranges in all parts of the USA.

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September 29th, 2024

Sunday GunDay: PRS/NRL Competition — How to Get Started

65 Guys Ed Mobley Steve Lawrence PRS Precision Rifle Series Competition Tips

Our friends, Ed Mobley and Steve Lawrence, aka the “6.5 Guys”, have written an excellent article on getting started in practical/tactical competition. If you are new to the game, these tips can help you save money, progress faster, and have more fun. Here are article highlights, but we recommend you read the full story, 5 Tips for Attending Your First Precision Rifle Match, on www.65guys.com.

We often meet people who are new to long range precision shooting, and want to improve their knowledge and skill level. However, they aren’t sure if they are ready to sign up to compete in a match. They often ask, “What knowledge or skills are necessary to compete in a match?” Others may state, “I need to purchase this gear or that gear before I can attend a match”. For those guys who have a strong interest in precision rifle shooting, and who wish to chec out a precision rifle match, below are Five Tips to make it a positive experience.

TIP ONE: Make Plans and Commit to Go

First you need to start by finding a match to attend. This may entail a little bit of research and investigative work on your part to find what matches are scheduled in the next few months. We recommend starting with any match that may be within a reasonable driving distance. This may likely be a local “club” match, many of which are held on a regular basis. These make great venues because it will provide an opportunity to meet some of the regular attendees as well as shooters that are from your geographic area. Additionally, most of the smaller matches are a little more relaxed in terms of level of competitiveness.

Once you decide on the match you want to attend, do your homework. This means finding out if you need to pre-register or pre-pay the match fee. Commit to going by registering for the match and putting it on your schedule. Be sure to find other useful information for questions such as:

— What time should I arrive?
— Is there a mandatory safety briefing for new shooters at that venue?
— What is the travel time required to get to the match site?
— How many stages will there be?
— Is there a description of the stages available before the match?
— How many rounds should you bring?
— Are there special equipment requirements? (E.g. do you need chamber flags, is there a pistol stage?)

65 Guys Ed Mobley Steve Lawrence PRS Precision Rifle Series Competition Tips

TIP TWO: Bring What You Have

(Don’t Spend a Fortune at the Start)
Some new shooters often assume they need a custom match rifle or all of the miscellaneous shooting gear associated with long range precision shooting to compete in match. While having a Kestrel weather meter and a high quality laser range finder and other shooting accoutrements are invaluable kit, you will find other shooters at your first match that will provide you with the information and coaching you need to get on target.

In fact, the only gear you really need to bring is a scoped rifle with a bipod and ammo capable of consistently shooting within one MOA. Also, be sure to know the ballistic drops or have a ballistic drop table prepared for your rifle/ammo to dial the correct DOPE on your scope for different target ranges. Many of the other participants at the match will be willing to let you borrow a support bag, bipod, tripod or other gear if you need one — just ask. Don’t use the excuse of not having the right gear to delay getting out to a match!

One reason not to make a big initial investment in a new rifle and assorted gear before competing, is we’ve seen a number of people come into the sport and try it for a year and then make the decision to move on to something else.

TIP THREE: Be Prepared to Learn

As a new shooter at a match, there is no better opportunity to learn. We often look to our local club matches as a group ‘training’ session to prepare for the bigger matches. You will find competitors at all levels of skill and many of your fellow shooters will enthusiastically provide helpful advice once they learn you are new to the sport. Take advantage of the opportunity to ask questions if you would like ideas for how to engage a stage, but also be sure to do more listening than talking as you receive guidance and tips from more experienced competitors.

65 Guys Ed Mobley Steve Lawrence PRS Precision Rifle Series Competition Tips

Watch and observe other shooters and how they approach and ‘game’ a specific stage or course of fire. You’ll begin to recognize which shooting positions work best for different scenarios, and maybe even come up with some new ones that no one has thought of before.

Seeing what the better shooters do is an invaluable instructional tool. You can use your smart phone’s video camera to record other shooters (with their permission). When you’re ready to shoot, ask another shooter to record your performance. Watching yourself will point out needed areas of improvement.

65 Guys Ed Mobley Steve Lawrence PRS Precision Rifle Series Competition Tips

After each match conduct an informal after action review and summarize for yourself the things that went well and what you should continue to do. You should also identify the specific shooting skills you should develop and make a plan to integrate the appropriate practice drills into your practice sessions. Finally, if you maintain a shooter’s data book or journal you’ll want to note things such as:

After Action Review – How you did, what went well, things you need to work on in practice.
Stage Observations – Successful methods used for specific courses of fire. Note barricades, positions used, specific gear used for stages.
Gear Observations – How your rifle/gear performed, what new items you should add to your “buy list”.

Zero Compromise ZC517 FFP scope PRS shooting

TIP FOUR: Be Safe and Have Fun

You’ve all heard a parent or teacher say, “It’s all fun and games until someone loses an eye.” The same can be said of the shooting sports. Safe handling of firearms is the number one rule at any match, and comes before the FUN part in terms of importance.

Before all matches start there will always be some form of a mandatory safety briefing. Make sure you know, understand, and follow any unique safety protocols for the match you attend. Some matches require all rifles have chamber flags inserted and are stowed in bags/cases while not on the firing line — other matches may not. If you run afoul of any safety rules, you risk the chance of being disqualified from a stage or worse, the entire match.

65 Guys Ed Mobley Steve Lawrence PRS Precision Rifle Series Competition Tips

The second rule is simply have fun. This starts with having a good attitude throughout the day. Keep in mind that as a new competitor you should think of a match as a solid day of practice and training. If you blow a stage, use it as an opportunity to diagnose what you could have done differently or what you need to improve on — then smile and drive on.

Any day at the range or shooting is a good day. A match is an opportunity to hang out with like-minded people who are passionate about shooting and impacting targets far-far away. Life is great when you are doing what you enjoy!

TIP FIVE: Make Friends

There is no better way to meet lots of precision rifle shooters and make friends than at a match. The people that attend the tactical precision matches on a regular basis are those that have ‘fallen into the deep end of the pool’ and are really into the sport. As a result, they have become part of the local precision shooting community. As you strike up conversations at the match, find out if your new-found friends visit specific forum boards or social media outlets, or if there are other matches they attend.

Precision shooters tend to congregate and share information in different corners of the Internet. It will serve you well to meet some of the guys in person at matches and be able to connect a face to a screen name. As you develop your friendships and develop a level of trust, you will find opportunities become available to shoot with others in your local area, or get ‘read-in’ on a secret honey-hole of a spot to shoot long distance. Additionally, the local shooting community will often find it more convenient to sell or trade gear and equipment locally than deal with buyers/sellers that are out of state.

Getting Started in PRS/NRL — One Man’s Story

Zero Compromise ZC517 FFP scope PRS shooting

My name is Jeff Cosgrove. I have shot for 20+ years but I found my interest in shooting was dwindling over time. I got somewhat bored with shooting paper at 100 yards or plinking cans out in the desert. About 3 years ago I decided I wanted to shoot long range. I picked up a used MPA in .300 Win Mag and started shooting long range with a new buddy. That day I fell in love with guns all over again.

With that new .300 WM I found my reloads were not up to my expectations (high ES/SD), so I purchased all new reloading hardware. One of my purchases was a used Benchsource Annealer. The guy I bought that from asked if I had ever tried PRS and he invited me to check out a match. So I went to a local PRS event as a spectator. I looked at many rigs and took notes. By the end of the day I knew this was something I really wanted to do. I then acquired a used chassis rifle that I thought would work well for PRS.

After working with that first PRS rifle, a 6.5 CM with Stiller Tac30 action, MDT chassis, and Proof Carbon-wrapped barrel, I quickly learned that gun did not handle and balance the way I hoped. It was too light in the front, the ergos were poor, and scope eye relief was not optimal. So I decided to build my own GEN 2 PRS rifle, a switch-barrel rig that I now use in competition. READ FULL Story HERE.

Load Development Using 6.5 Guys Custom Spreadsheet

To hold and analyze his load development data, Jeff uses the spreadsheet from 65Guys.com. this can really help identifying your best load. The Excel spreadsheet is detailed, yet makes it simple to analyze your data. You can even copy and paste your chronograph data if your chrono logs on to a SD card.

6.5 Guys load development Spreadsheet excel PRS shooting

In this 6.5 Guys video Steve provides an overview and tutorial for using the Excel load development analysis model that he has developed. The Excel Load Development Analysis Spreadsheet version 2.0 is FREE. Download from the 6.5 Guys Load Development Page using this LINK for XLSM spreadsheet.

NOTE: If that direct link does not work, CLICK HERE to go to the 6.5 Guys website page, then look for the “Load Development Analysis Model Version 2.0″ link in the second paragraph.

In this video Steve explains some key statistical concepts for performing load data analysis. He also provides tips and guidance for determining the optimal load for your rifle as you analyze the load data you’ve collected.

Good Resource for PRS/NRL Newbies — Practical Shooter’s Guide

Marcus Blanchard, $19.98 Paperback, $9.99 Kindle

Marcus Blanchard Practical Shooter's Guide

Thinking of getting started in the Practical/Tactical shooting game? Looking for ways to be more stable when shooting from unconventional positions? Then you may want to read Marcus Blanchard’s Practical Shooter’s Guide (A How-To Approach for Unconventional Firing Positions and Training). Unlike almost every “how to shoot” book on the market, Blanchard’s work focuses on the shooting skills and positions you need to succeed in PRS matches and similar tactical competitions. Blanchard provides clear advice on shooting from barricades, from roof-tops, from steep angles. Blanchard says you need to train for these types of challenges: “I believe the largest factor in the improvement of the average shooter isn’t necessarily the gear; it’s the way the shooter approaches obstacles and how they properly train for them.”

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September 26th, 2024

Loading at the Range — Methods That Work at Benchrest Matches

Benchrest IBS Shooting Reloading Chargemaster tuning load
Shown are funnel with ultra-long drop tube (which helps get more kernels in the cases), RCBS Chargemaster (in wood box), and Hood Press (similar to Harrell’s Combo press).

Loading at the range remains important in the Benchrest for Group discipline. In a Special Report below, past IBS President Jeff Stover explains how loading methods (and hardware) have evolved over the years. The advent of accurate, affordable electronic powder dispensers, such as the RCBS ChargeMaster and Frankford’s new Intellidropper, have changed the game and made it easier to load efficiently at the range. And quality manual powder measures are fast and can be very consistent, with a little practice. Loading at the range permits competitors to tune their load to the conditions, change seating depths, or even choose different bullets to suit the barrel’s preferences on any given day.

IBS Benchrest

Although pre-loading is not uncommon, most 100/200-yard group shooters usually load at the match, often between relays. The goal is to shoot smaller groups by staying “in tune”. In a game where 5-shot groups “in the 1s and Zeros” is the goal, tuning loads for the conditions helps deliver match-winning accuracy. Nearly all competitors in this short-range discipline shoot the 6mm PPC cartridge, or a PPC variant.

IBS Benchrest loading at range Jeff Stover

Loading at the Range — Then and Now

IBS Benchrest Shooters International Memorial Match Weikert PA Jeff Stover

In benchrest shooting for group, loading at the range has been de rigueur for decades. In the Score discipline, preloading is usually the custom. The main reason is that, in Score competition, only one Aggregate (warm-up match and five record targets) per day is usually shot. That would be less than 50 shots, assuming a few sighter shots. Also, the 30BR, the dominant Benchrest-for-Score cartridge, is very amenable to pre-loading.

By contrast, the Group discipline includes 21 targets (two warm-ups and twenty record targets) over a weekend, usually shot with 6PPC-chambered rifles. Many times, the 6PPC shooters may tweak their loads through the day given changing atmospheric conditions or simply trying to find the correct tune to “dot up”. This term, “Dot up”, means the shots are essentially going through the same hole, or closely so.

IBS Benchrest Shooters International Memorial Match Weikert PA Jeff Stover

Loading at the range was a bit different when benchrest competition was in its infancy. The 1951 book, Modern Accuracy by Bob Wallack, is the best of the early benchrest books. Copies can be found, from time to time, on eBay or Alibris. It is a fascinating survey of benchrest as it existed more than six decades ago. There’s even coverage of a controversial target that was argued over at the time. In it, there is a photo of Wallack using the rear bumper of a car at the bench to clamp his reloading tools. Things have come a long way compared to the range loading set-ups of modern shooters. Here you can see Bob Wallack way back in 1950:

IBS Benchrest Shooters International Memorial Match Weikert PA Jeff Stover

Modern loading bench set-ups shown in this Special Report belong to top shooters Howie Levy, Bob Hamister, and Kent Harshman.
Permalink Bullets, Brass, Ammo, Competition, Reloading, Tech Tip No Comments »
September 14th, 2024

Become a Winning Marksman with Mental Management System

Winning in Mind lanny Bassham marksmanship motivation book

Winning in Mind Bassham bookF-Class ace Erik Cortina has interviewed noted author and Olympic Gold Medal-winning shooter Lanny Bassham. For his popular video channel, Cortina asked Lanny about his book With Winning in Mind. The two talented shooters also broadly discussed the “mental game” in the shooting sports and Lanny’s program for visualization of a winning performance. Lanny explains that after you have mastered your rifle skills, and learned to read the wind, it is important to adopt a winning mentality and to visualize success. Lanny should know. He won a shooting Gold Medal in the Olympics along with 22 world individual and team titles.

Watch Full Video Interview
Here is the wide-ranging and fascinating hour-long Lanny Bassham interview hosted by Erik Cortina. If you are looking to enhance your motivation, discipline, and “mental focus” when competing, this video is worth watching:

With Winning in Mind — About the Book

With Winning in Mind (3rd. Edition)
by Lanny Bassham, $9.99 (Kindle), $16.94 (Softcover)

Visualization is a process of mental preparation that is done before you get to the range. Many of the greatest shooting champions have used this technique to get ready for big matches, and to optimize their performance during record fire. If you want to enhance your “mental game” through pre-match visualization, we strongly recommend Lanny Bassham’s book, With Winning in Mind.

As a competitive smallbore 3P shooter, Bassham developed a mental management system. Using this system, Lanny Bassham won 22 world individual and team titles, set four world records, and captured an Olympic Gold Medal in Montreal in 1976. His techniques have been embraced by professional and Olympic athletes in many sports. With Winning in Mind covers a complete system of “mental management” techniques used by Olympians and elite champions.

Putting principles into practice — Anette Wachter

Anette Wachter Mental Game VisualizationOur friend Anette Wachter, aka “30CalGal”, did a series of videos for the NRAWomen.com site. In one episode, Anette talks about the “mental game” in competition. Specifically she explains how to “visualize success”:

I have found that a lot of my success in competition has come through what I call a ‘mental rehearsal’. I actually visualize every stage of the match and I visualize the success of the match and winning the match.

I actually visualize that round going downrange into the target, and the target coming up with a dead-center ‘X’. I visualize this over and over. If you visualize success you will achieve success.

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September 12th, 2024

Do-It-Yourself Ammo Caddy — Under Ten Bucks

Flex Arm Flexible Port Level gooseneck Ammo Block caddy

Whether you should from the bench, or from prone, it’s great to have your cartridges in a convenient, easy-to-reach position. This article explains how you can build your own height-adjustable ammo caddy for under ten bucks. Credit Martin Tardif for this great Do-It-Yourself (DIY) project. Martin’s flex-arm caddy design works great for F-Open competitors as well as anyone who shoots with a pedestal front rest, either on the ground or from a bench. The ammo caddy attaches, via a flexible arm, to your front rest. The flexy arm allows you to position your ammunition close to your rifle’s feeding port. That makes it easy to grab cartridges and load them into the chamber without shifting your shooting position.

Kudos to Martin Tardif for his clever use of inexpensive materials. The total cost of the whole project, according to Martin, was just $8.00! (With Bidenflation, materials could run a bit more these days, but the project would still be very inexpensive.)

Martin Explains How to Build the Ammo Caddy
Here are some pics of my DIY P.L.A.B. (Port Level Ammo Block). I cannibalized the goose neck from a Craftsman bendy-style utility light and bought a 3.5″x 1″ Acetal disk on eBay. I then drilled out the disk to accept twenty .284 Winchester rounds and screwed the disk to the bendy arm. The arm, by itself, wasn’t sturdy enough to support my fully loaded ammo block, so I inserted a 1/8″-diameter steel rod cut to length into the arm before I screwed it to the disk. On this Bald Eagle rest, I wasn’t using the windage adjustment cable. That allowed me to secure the bottom end of the arm to the unused 5/16″ x 18 bolt hole for the cable. [Editor’s Note: For other pedestal rest types/brands you may need to drill a hole for the base of the flexy arm.]

Flex Arm Flexible Port Level gooseneck Ammo Block caddy

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September 11th, 2024

Position Shooting & Trigger Technique by CMP’s Gary Anderson

rimfire sporter position shooting Gary Anderson

Want to learn the basics of position shooting? Then you should check out an article by Gary Anderson, DCM Emeritus, in On the Mark digital magazine (Summer 2014, pp. 6-13). This article covers all the key elements: body position (prone, sitting, standing), sling use/adjustment, sight picture, aiming process, and trigger control. While this 8-page article was specifically written for Rimfire Sporter shooters, the techniques described by Anderson apply to all types of position shooting, whether you shoot air rifles, smallbore rifles, or centerfire rifles.

CLICK HERE for Position Shooting Article in On The Mark Magazine
NOTE: This is a large PDF Document — it may take some time to fully load. Scroll to page 6-13.

Here’s what Anderson says about aiming — how to keep your sights steady and get them centered on the middle of the target:

Trigger Contact and Center
rimfire sporter position shooting Gary AndersonAs soon as aiming at the target begins, the index finger must move from the trigger-guard to contact the trigger. It is important to get initial pressure on the trigger as soon as aiming begins. Then the shooter must focus on the sight picture and centering the sight picture movements over the aiming point. No one, not even champion shooters, can hold the aligned sights perfectly still. The sights are going to move a little bit or a lot, depending on the shooter’s skill level. The secret is to center those sight picture movements over the aiming point on the target (see trace illustration) before pulling the trigger.

When the sight picture movements on the target are centered, the last step in firing the shot is to add… smooth pressure on the trigger until the shot breaks.

Anderson also discusses the 5 Basics of Shot Technique:

rimfire sporter position shooting Gary Anderson

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September 8th, 2024

Optimize Bullet RPM with Berger Twist Rate Stability Calculator

Berger twist rate calculator

Berger Twist-Rate Stability Calculator
Berger twist rate calculatorOn the Berger Bullets website you’ll find a handy Twist-Rate Stability Calculator that predicts your gyroscopic stability factor (SG) based on mulitiple variables: velocity, bullet length, bullet weight, barrel twist rate, ambient temperature, and altitude. This cool tool tells you if your chosen bullet will really stabilize in your barrel.


CLICK HERE to Go to TWIST RATE CALCULATOR PAGE »

How to Use Berger’s Twist Rate Calculator
Using the Twist Rate Calculator is simple. Just enter the bullet DIAMETER (e.g. .264), bullet WEIGHT (in grains), and bullet overall LENGTH (in inches). On its website, Berger conveniently provides this info for all its bullet types. For other brands, we suggest you weigh three examples of your chosen bullet, and also measure the length on three samples. Then use the average weight and length of the three. To calculate bullet stability, simply enter your bullet data (along with observed Muzzle Velocity, outside Temperature, and Altitude) and click “Calculate SG”. Try different twist rate numbers (and recalculate) until you get an SG value of 1.4 (or higher).

Gyroscopic Stability (SG) and Twist Rate
Berger’s Twist Rate Calculator provides a predicted stability value called “SG” (for “Gyroscopic Stability”). This indicates the Gyroscopic Stability applied to the bullet by spin. This number is derived from the basic equation: SG = (rigidity of the spinning mass)/(overturning aerodynamic torque).

Berger twist rate calculator

If you have an SG under 1.0, your bullet is predicted not to stabilize. If you have between 1.0 and 1.1 SG, your bullet may or may not stabilize. If you have an SG greater than 1.1, your bullet should stabilize under optimal conditions, but stabilization might not be adequate when temperature, altitude, or other variables are less-than-optimal. That’s why Berger normally recommends at least 1.5 SG to get out of the “Marginal Stability” zone.

In his book Applied Ballistics For Long-Range Shooting (3rd Ed.), Bryan Litz (Berger Ballistician) recommends at least a 1.4 SG rating when selecting a barrel twist for a particular bullet. This gives you a safety margin for shooting under various conditions, such as higher or lower altitudes or temperatures.

Story idea from EdLongrange. We welcome reader submissions.
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September 4th, 2024

2024 Pyramyd Cup Airgun Match Next Week in Ohio

2024 pyramyd air rifle airgun match cardinaal marengo ohio

The 2024 Pyramyd Cup is one of the biggest and most prestigious airgun competitions in North America. This year’s Pyramyd Cup will be held September 11-14, 2024 at the Cardinal Shooting Center in Marengo, Ohio. With a wide selection of disciplines (Gunslynger, Field Target, and Benchrest), this year’s competition is set to be one of the most exciting and competitive in the event’s history. If you want to participate, CLICK HERE to Register.

2024 pyramyd air rifle airgun match cardinaal marengo ohio

The 2024 Pyramyd Cup will feature top-tier competitions, including the precision-driven 100 yard Benchrest, the action-packed Gunslynger showdown, and the World Class Field Target competition. As always, top airgunners from around the world will gather to test their skills and vie for top prizes.

John McCaslin, President of AirForce Airguns, stated: “We are excited to sponsor this year’s Pyramyd Cup. We are grateful to Val Gamerman, the owner of Pyramyd Air for graciously hosting this event and bringing the airgun community together for [a great] event.”

Pyramyd Air Field Target GunSlynger air rifle airgun match

Field Target Discipline Is Challenging
“Field Target is one of the most difficult shooting disciplines out there,” says recent Pyramyd Air Cup Match Director, Tyler Patner. “Combine the multiple skills required to rise to the top of your game, with the myriad of factors you take into account at each lane, and you’ve got a challenging sport.”

Pyramyd Air Field Target GunSlynger air rifle airgun match

Pyramyd Air Field Target GunSlynger air rifle airgun match

“Targets are small, metal silhouettes of animals that consist of a kill zone and a colored paddle,” explains Pyramyd’s Tyler Patner. “Placed at unknown distances from between 10 yards to as far as 55 yards, the targets have kill-zones ranging in size from 3/8 inch to 1 1/2 inches. When the pellet passes through the kill zone and hits the paddle, the target falls and you’re awarded a point. It’s a game of precision and practice. You range-find with your scope, dope for distance, take the wind into account, and then you have to execute. There are different restrictions based upon your selected class, but the challenges remain the same. Wind-doping, range-finding, and remaining mentally tough over the entire course of fire are the biggest hurdles competitors face.”

Pyramyd Air Field Target GunSlynger air rifle airgun match

Huge Prize Table for Competitors

Competition prizes are being provided by many airgun, optics, and gear manufacturers including: Accu-Tac, AirForce Airguns, Air Arms, Air Venturi, Athlon, ATN, Crosman, Birchwood Casey, Diana, Firebird Targets, FX Airguns, Hatsan USA, H&N, Hawke, Hill Air Pump, Hawke Sport Optics, JTS Airguns, Leapers, Norica, Predator, Pyramyd, RAW, RX Target Systems, Saber Tactical, Sightron, Sportsmatch, Umarex, Vortex, Weihrauch and more. “You’d be hard-pressed to find an airgun competition with a better selection of prizes for its winners,” says says Pyramyd Air CEO, Joshua Ungier. “Our winner’s packages help assure shooters that if they’re limited to traveling to only one competitive shooting event, they recognize the Pyramyd Air Cup as the industry’s premier event.”

CLICK HERE for full list of 2024 Pyramyd Cup Sponsors.

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September 4th, 2024

USPSA Production Class Nationals on Shooting USA TV Today

USPSA practical championship nationals

This evening, Shooting USA TV will feature a major U.S. Practical Shooting Association (USPSA) competition — the USPSA Production Class Nationals. Watch the broadcast at 9:00 pm Eastern/Pacific, 8:00 PM Central on the Outdoor Channel. SEE Shooting USA info. This week’s show also features a review of the new ZEISS Conquest HD Binoculars — great for hunters.

The USPSA Production division is easily the most approachable in terms of equipment. These are virtually out of the box guns with minimal enhancements. Even so the national championship chase is highly contested and the level of competition is extremely high.

Broadcast Times: Wednesday 9:00 PM Eastern/Pacific, 8:00 PM Central on Outdoor Channel.
You can also subscribe for $1.99/month to watch broadcasts “on demand” at any time on Vimeo: vimeo.com/ondemand/shootingusa

About the USPSA — Active Sports Group Nationwide
The United States Practical Shooting Association (USPSA) is a leading competitive shooting organization dedicated to promoting safe, fair, and fun practical shooting sports. Members engage in dynamic and challenging courses of fire, where speed, accuracy, and power are equally tested. USPSA shooters of all skill levels can enjoy shooting on the clock at steel and reactive targets. Whether you’re a seasoned shooter or new to the sport, USPSA offers fun and well-run competitions.

Hit Factor Scoring Based on Time AND Accuracy
Scoring is more complicated than fixed time events or steel shooting where your time is your score. In USPSA and IPSC each stage is worth a specific number of points. After a competitor completes a stage, the total score they shoot on the targets is divided by the time it takes to finish the stage. This establishes their hit factor. The competitor with the highest hit factor wins the stage and earns the total number of points available for that specific course of fire. The remaining competitors receive a percentage of the stage points based on their hit factors.

Top photo credit: Paul Erhardt, U.S. Air Force, Public Domain, Wikimedia.org.

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