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January 14th, 2019

Bargain Finder 173: AccurateShooter’s Deals of the Week

Accurateshooter Bargain Finder Deals of Week

At the request of our readers, we provide select “Deals of the Week”. Every Monday morning we offer our Best Bargain selections. Here are some of the best deals on firearms, hardware, reloading components, optics, and shooting accessories. Be aware that sale prices are subject to change, and once clearance inventory is sold, it’s gone for good. You snooze you lose.

1. Field & Cave Outfitters – AR500 Gong 5-Pack, $69.99

5pc AR500 Target Set

Field & Cave Outfitters is now running a great SALE on its 3/8″ AR500 Gong Combo Packs. These 5-Packs include 4″, 6″, 8″, 10″ & 12″ laser-cut steel round gongs with two hanging “ears”. For the rest of January, or while supplies last, Field & Cave is offering these for $69.99 DELIVERED! Grab one of these packs of AR500 targets before they run out. This super-low price won’t last long. These are not seconds or imports and are laser-cut in Texas from prime domestic NuCor AR500 plate. Gongs ship USPS Flat Rate Priority Mail, so customers are getting them in as few as two days after ordering (USA addresses only).

2. Bruno Shooters Supply – Krieger Barrel Sale, $25 Off

Krieger Barrel Sale

Krieger produces some of the finest cut-rifled barrels on the planet. They are in high demand, but thankfully Bruno’s always stocks a large selection of Krieger barrels in a variety of calibers and contours. Right now you can save $25 on super-premium Krieger barrels with Bruno’s barrel bargain days. All Krieger Barrels are now $25 off. Bruno’s has a great selection right now including some of the hard-to-find 6.5mm and .284 barrels.

3. Brownells — Kahr .40 S&W CT40, $269.99 with CODE “M8Y”

Kahr ct40 ct 40 sw S&w carry pistol sale discount brownells

We like Kahr pistols for self-defense. They are slim, the grips are comfortable, and the DAO triggers are pretty smooth. Kahr pistols are also an excellent value. Right now, the hard-hitting .40 S&W Kahr CT40 is on sale at Brownells. The CT40 features a polymer frame, stainless steel slide, 4″ barrel, and white bar-dot sight configuration. This pistol is just 0.94″ thick and weighs just 21.8 oz. with empty magazine. This is a slim, relatively light-weight carry option. Right now the CT40 is on sale at Brownells for $279.99 with a $10 FFL fee. Use Code M8Y to save $20 with free shipping. That lowers your net cost to $269.99 delivered — a heck of a bargain. Inset image from Guns America CT40 Review.

4. Optics Planet – Barska Biometric Weapon Safe, $299.49

Barska Biometric Safe

We see more people storing their guns and valuable in multiple safes. This way you can have rapid access to home-defense weapons, while still keeping your main collection in a big heavy safe. You may also want a secondary safe for a separate work-room or storage area. The Barska Biometric Safe is a great size for small rooms, yet it still holds full-size long guns. This safe features instant access with a Biometric scanner that reads the owner’s fingerprint. This Barska provides a very high-tech storage solution for $299.49 — a reasonable cost. Get one now and they’ll even throw in a FREE $25 value dehumidifier!

5. EuroOptic — Leica CRF 2000-B, $399.00

Leica 2000-B Rangemaster Laser LRF Rangefinder Sale Eurooptics.com

This may be the best deal we’ve seen on the vaunted Leica 2000-B Laser Rangefinder (LRF) with 7-power optic. This unit is rated out to 2000 yards on reflective objects (in real-world use it will laze a deer well past 800 if you can hold steady). The Leica 2000-B features air pressure and temperature sensors, plus on-board inclinometer. Angle correction works out to 1200 horizontal yards equivalent, with the true hold-over displayed in both MILs and MOA. The compact Leica CRF 2000-B weighs just 6.5 ounces and measures 4.5″ L x 2.25″ H x 1.25″ W. It has a waterproof outer shell.

6. Various Retailers – Springfield Gear Up Giveaway, $265 value

Springfield Gear Up Giveaway

The Springfield M1A rifle, descended from the military’s M14 battle rifle, has an impressive pedigree. If you’d like to add an M1A to your gun collection, now’s a great time to buy. When you purchase a qualifying M1A rifle, Springfield Armory will give you two (2) additional magazines plus a scope mount for FREE. Those mags and the mount represent a $265.00 value! In addition, you can buy Vortex scopes at significant savings — up to 57% off MSRP. Below are the Vortex scopes you can buy at a huge discount:

Springfield Gear Up Giveaway

For more details on the M1A promotion, CLICK HERE. You’ll find qualifying M1A rifles at Cabelas.com and other large retailers. If an M1A has been on your wish list, this is an attractive offer.

7. Stocky’s — LR Stocks with Aluminum Bedding Block, $199.99

Stocky's Stocks Composite V-block stock

Here’s a good deal on a versatile Stocky’s Long Range Stock with aluminum V-block bedding system. For just $199.99, order this for Rem/Rem Clone long actions or short actions, with either narrow or wide (varmint/tactical) barrel channel. This would be a good choice for a varmint rifle. This is also offered with handsome hydrographic or web-pattern baked-on textured finishes for $219.99.

8. Creedmoor Sports – MTM Tactical Range Box, $44.95

MTM Range Box

When you head to range do you always seem to leave something behind? Pick up this MTM Tactical Range Box and you’ll be able to fit everything you need inside — ammo, cleaning supplies, tools, target stickers, Kestrel and even a set of earmuffs. This range box include multiple small parts trays, plus two padded stirrups that anchor into the base so you can use the range box as a field cleaning stand. The MTM Range Box also has a vertical support bracket that fits in the magazine well of AR-platform rifles. On sale now at Creedmoor Sports for $44.95, this is an versatile item that can tote your ammo, accessories, and serve as a cleaning station at the range.

9. Amazon – Proster Wind Meter, $16.99

Proster Wind Meter

Wish you had a modern impeller-style wind meter but only shoot a couple matches a year and can’t justify spending $150 (or more) on one? This Proster wind meter has a very impressive 4.5 star overall rating (with hundreds of reviews), so buy with confidence. Now on sale for just $16.99, this is a very useful tool for a bargain basement price. Get this affordable Wind Meter to ensure you have reliable wind readings for ballistics calculations. And unlike a costly Kestrel, with this low-priced wind meter, you won’t feel too bad if it gets lost or misplaced some time.

Most Weekly Deals Sourced by F-Class John.

Permalink Handguns, Hot Deals, Optics, Tactical 1 Comment »
January 14th, 2019

Creedmoor Heaven — New Factory Ammo from Berger and Lapua

Berger Bullets Lapua Capstone 6.5 Creedmoor 6mm creedmoor ammo ammunition hunting lead free Naturalis

PRS and NRL shooters, as well as game hunters, now have new ultra-accurate Berger and Lapua factory ammo for the popular 6mm Creedmoor and 6.5 Creedmoor chamberings. For shooters who do not have the time or equipment to hand-load, these new factory ammo options promise outstanding performance. We fully expect that these new offerings from Berger and Lapua will set new standards for accuracy and ballistic uniformity among commercial ammunition for the 6mm Creedmoor and 6.5 Creedmoor. Lapua’s match ammo for the similar 6.5×47 Lapua cartridge has shown outstanding accuracy with ES/SD numbers rivaling high-quality hand-loads. (SEE 6.5x47L Test Results).

New Lapua 6.5 Creedmoor Target and Lead-Free Hunting Ammunition
Lapua has added the popular 6.5 Creedmoor cartridge to its line of Scenar-L Target ammo and its Naturalis Hunting ammunition offerings. The 6.5m Creedmoor 136 grain Scenar-L offers a high ballistic coefficient (BC) for long-range competitive target shooting, yet maintains SAAMI configuration for flawless function through all factory or custom rifle magazines. Lapua ammo will also be loaded with the excellent 123 grain OTM Scenar. One of our favorite bullets, the 123-grainer offers faster velocities (and less recoil) than its bigger brother, and may be the best choice for many PRS stages.

6.5 Creedmoor ammo loaded with the 140 grain Lapua Naturalis provides hunters a lead-free option for hunting in areas that ban lead bullets. Designed and manufactured from pure copper, Naturalis bullets will reliably retain 90-100% of their original weight. Lapua’s Naturalis projectiles produce consistent, controlled expansion at the widest velocity range on the market.

Related Story: Read Lapua 6.5 Creedmoor Brass Test Results »

Berger Bullets Lapua Capstone 6.5 Creedmoor 6mm creedmoor ammo ammunition hunting lead free Naturalis

New Berger 6mm Creedmoor Target and Hunting Ammo
New 6mm Creedmoor Target Ammunition is loaded with Berger 105 grain Hybrid Target bullets, the “go-to” for PRS shooters and long-range accuracy enthusiasts alike. Built using premium-grade Lapua cartridge cases, Berger’s 6mm Creedmoor Target Ammunition provides the discriminating shooter the highest quality components and sub-MOA accuracy “off-the-shelf”, unequaled by the competition.

New Berger 6mm Creedmoor Hunting Ammunition is loaded with 95 grain Hybrid Classic Hunter bullets in premium Lapua brass. These top-flight components deliver lethal precision and sub-MOA accuracy — impressive for hunting ammo. The hybrid ogive design of the Classic Hunter projectile is the same as Berger Hybrid Target bullets, while allowing for SAAMI length configurations for efficiency in the field and reliable functioning through magazines.

Permalink Bullets, Brass, Ammo, New Product, Tactical Post comment »
January 14th, 2019

Wind-Reading Tips from Champion Shooters

Shooting Sports USA

The digital archives of Shooting Sports USA magazine (SSUSA) features an Expert Forum on Wind Reading. This outstanding article on wind reading starts off with a section by ballistics guru Bryan Litz, author of Applied Ballistics for Long-Range Shooting. Then four of the greatest American shooters in history share their personal wind wisdom. Lanny Basham (Olympic Gold Medalist, author, Winning in the Wind), Nancy Tompkins (Past National HP Champion, author, Prone and Long-Range Rifle Shooting), David Tubb (11-Time Camp Perry National Champion), and Lones Wigger (Olympic Hall of Fame) all offer practical wind-reading lessons learned during their shooting careers.

CLICK HERE for Full Article in Shooting Sports USA Archive

CLICK HERE to Download Article Issue in Printable PDF Format.

Whether you shoot paper at Perry or prairie dogs in the Dakotas, this is a certified “must-read” resource on reading the wind. Here is a sample selection from the article:

Shooting Sports USA



Visit www.SSUSA.org

Shooting Sports USA magazine (SSUSA) has a modern, mobile-friendly website with tons of great content. Log on to www.ssusa.org. There you’ll find current news stories as well as popular articles from the SSUSA archives. The SSUSA website also includes match reports, gear reviews, reloading advice, plus expert marksmanship tips from the USAMU.

Permalink - Articles, Shooting Skills 5 Comments »
January 13th, 2019

K&M Offers New Variable Speed Case Prep Center

K&M K & M machine case prep center tool machine

When it comes to reloading hardware, some guys have to have the best of the best, regardless of cost. For those guys, K&M Precision has introduced an impressive new variable-speed, multi-station case prep center. This is quite a step up from other variable-speed case prep devices.*

K&M offers two versions, one with a single spindle (tool driver) running 50-200 rpm, and another modular design that can have up to six (6) spindles, running from 50 to 533 rpm. This Ferrari of case prep centers costs $2395.00 with all six spindles, with lesser prices for fewer spindles (e.g. $1795 with three spindles). The basic 50-200 rpm one-spindle machine costs $695.00. That’s still a pretty sizable investment. But for some guys, price is no object.

K&M K & M machine case prep center tool machine

Watch Video to see six-spindle machine in action. Being able to adjust the speed within a broad rpm range really is a big deal. You can go slow when needed, then instantly bump up the rpm when you need to do other tasks at a higher rate. Cutting vs. brushing work best at different speeds.

The K&M Benchtop Case Prep Machine is an industrial-grade unit that features an industrial DC brushless motor for constant torque control over a speed range from 50 to 533 rpm (or 50-200 rpm for basic model). The speed can be quickly changed by simply rotating the dial switch and pressing to enter the speed. Watch the video to see the speed control in action. Models are available from one- to six-spindle configurations. The driven spindles feature a unique collet design that accepts ¼” hex shank tools that are oriented horizontally for natural ergonomics. Collet and idler spindles ride on oil-impregnated bronze bearings for smooth operation. You can use K&M-made tools or drive other types of tools using a ¼” hex tool shank adapter with either 8-32 or 3/8-24 threads. Each model has a spring-loaded spindle lock pin to hold the spindle position while setting tools or loading/unloading cartridges into the power adapter.

K&M K & M machine case prep center tool machine

K&M K & M machine case prep center tool machine

K&M K & M machine case prep center tool machine

All machines come with quality hard case with foam, chip pan, chip brush, 1/4” hex drive adapter for 8-32 and 1/4” hex drive adapter for 3/8-24.

Product tip from EdLongRange. We welcome reader submissions.

* Lyman will soon introduce the Case Trim Xpress a single-head case trimmer with speed control for the trimmer head. RCBS offers a 6-station Case Prep Center, with variable speeds, controlled by a rheostat. Four of the six heads run up to 350 rpm, while the two high-speed heads run up to 550 rpm.

Permalink - Videos, New Product, Reloading, Tech Tip 4 Comments »
January 13th, 2019

6.5 Creedmoor Cartridge Reloading INFO — Load Data from Sierra

Sierra Load Data 6.5 Creedmoor

Sierra Bullets has released very complete load data for the popular 6.5 Creedmoor cartridge. This medium-sized cartridge has become one of the most popular chamberings for tactical and PRS shooters. The 6.5 Creedmoor combines excellent accuracy, good mag-feeding, good barrel life, moderate recoil, and reasonable component cost. That’s why this cartridge has caught on quickly.

Sierra Load Data 6.5 CreedmoorDeveloped in 2007 by Dennis DeMille and Dave Emary, the 6.5 Creedmoor is a shortened and improved 30 TC cartridge case that was inspired by the .308 Winchester design. This short action design was created to maximize case capacity and a wide range of loading lengths, while still fitting in standard short action magazines. With the correct twist barrel, the versatile 6.5 Creedmoor can take advantage of the wide range of bullet weights available in 6.5 mm (i.e. .264 caliber). Reloaders should keep in mind that the 6.5 Creedmoor works best with medium to medium-slow powders such as H4350, Varget, Win 760, and RE-17. The light recoil and adaptability of the efficient 6.5 Creedmoor cartridge has already proven itself in high power, precision rifle series and benchrest competitions. Couple that with respectable barrel life and its intrinsic accuracy potential and you have a recipe for success which should insure its legacy for decades to come.

Sierra 6.5 Creedmoor Load Data Manual reloading .264

Here are three tables from the Sierra Bullets Reloading Manual (5th Edition). IMPORTANT — This is just a sample!! Sierra has load data for many other 6.5mm bullet types, including FB, Spitzer, SBT, HPBT, and Tipped MK from 85 grains to 142 grains. To view ALL 6.5 Creedmoor DATA, CLICK HERE.

Sierra Bullets 6.5 Creedmoor Load Data MatchKing Tactical
INDICATES MAXIMUM LOAD – USE CAUTION
LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED.

Sierra Bullets 6.5 Creedmoor Load Data MatchKing Tactical
INDICATES MAXIMUM LOAD – USE CAUTION
LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED.

Sierra Bullets 6.5 Creedmoor Load Data MatchKing Tactical
INDICATES MAXIMUM LOAD – USE CAUTION
LOADS LESS THAN MINIMUM CHARGES SHOWN ARE NOT RECOMMENDED.

Permalink Bullets, Brass, Ammo, Reloading 7 Comments »
January 12th, 2019

Get Money for Your Shooting Club from the NRA Foundation

NRA Foundation Range Club Grant funding Application


CLICK HERE TO START ONLINE 2019 GRANT APPLICATION »

Could your gun club or youth shooting group use money to upgrade range facilities or run training programs? Well here’s a chance to get some cold, hard cash to help with operations. Every year, the NRA Foundation Grant Program provides hundreds of grants to deserving organizations. The 2019 Grant Application is now available. CLICK HERE to Apply for a Grant.

NRA Foundation Range Club Grant funding Application

Since its inception, the NRA Foundation has funded over 40,000 grants totaling over $369 million. Grants went to qualified local, state and national shooting sports programs, hunting and conservation programs, Second Amendment education and for the preservation of historical firearms.

Grant money comes from generous donors and volunteer fund-raising efforts. Through its Grant Program the NRA Foundation seeks to: 1) Promote shooting sports and hunting safety; 2) Help educate individuals in proper firearms use and marksmanship; and 3) Enhance shooting range facilities and support active shooting sports organizations.

NRA Foundation Range Club Grant funding Application NRA Foundation Range Club Grant funding Application

Range Improvement Grants
Helping clubs improve shooting range facilities is one of the main missions of the NRA Grant Program. Such programs might include: Berm improvements (example below), Clubhouse improvements, Target pits, Covered firing lines, Road improvements, Trap Machines, Storage buildings and other permanent improvements to club properties and/or facilities.

NRA Foundation Range Club Grant funding Application

Permalink News Post comment »
January 11th, 2019

New .375 Caliber ELR Solid Projectiles from Berger Bullets

Berger bullets elr solid copper .375 caliber vld bullet new

This is BIG news for the Extreme Long Range (ELR) game. Berger Bullets will offer a line of SOLID bullets in .375 caliber. You read that right — these will be the first-ever large diameter Berger projectiles manufactured from a solid copper alloy. Most conventional bullets feature a jacket over a metal core, typically lead alloy. These new Berger solids are lathe-turned from solid copper alloy — shaped with precision into perfect aerodynamic profiles. The new Berger ELR solids boast a long, VLD shape with ultra-high Ballistic Coefficients. The new .375 caliber Berger ELR solids will be offered in two bullet weights: 379 grains and 407 grains.

The prototype 400gr version of this solid bullet was extensively tested at 2400 yards (above). It remained supersonic at that distance, a remarkable 1.36 miles. Berger will now offer two production versions, 379gr and 407gr, based on this successful prototype, further optimized. Here is Berger’s official release:

Berger Bullets proudly announces the New Extreme Long Range (ELR) Match Solid Projectile line, beginning with .375 caliber 379 grain and 407 grain offerings.

Extreme Long-Range shooting to distances of two miles and beyond has taken the firearms community by storm. With much of its roots developed from elite military sniper and Special Forces rifle training, ELR enthusiasts are utilizing highly innovative rifle and ammunition technology to engage targets at distances previously unheard of. Berger has taken the lead pioneering ELR, similar to how it’s dominated all other long-range rifle disciplines.

Berger Bullets chief ballistician Bryan Litz states: “Our new ELR Solid Match Bullets provide both competition shooters and Mil/LE forces a long-range solid projectile like no other. Its highly-optimized VLD ogive design and lathe-turned solid copper construction provide a ballistic advantage that is unmatched by any conventional-style bullet.”

Berger .375 Caliber Bullet is a Winner
Berger’s .375 caliber solid bullet design has already been proven in competition. At the 2018 World Longest Shot Challenge (WLSC), Team Applied Ballistics used the prototype .375 Cal ELR solid with great results. The new .375 caliber monolithic Berger bullet designed by Bryan Litz was used by the first and second place finishers in the “above .338 caliber” class. The prototype .375 Cal solid performed great, and the ultra-high BC was confirmed. READ WLSC Story HERE.

Advanced Doppler Radar was used to confirm Ballistics Data for the new Berger .375-Caliber Solids:
Berger monolithic solid bullet .375 caliber VLD copper lathe-turned projectile

Permalink Bullets, Brass, Ammo, New Product, News 8 Comments »
January 11th, 2019

Bed It Right! Bedding Compounds Compared by Speedy

Marine-Tex Pillar Bedding Marine-Tex Bedding Block Aluminum Actions

A customer of well-known gunsmith (and Hall-of-Fame shooter) Thomas “Speedy” Gonzalez recently asked Speedy about bedding compounds. Speedy offered some interesting advice based on long-term testing of various materials. Speedy favors Marine-Tex because it is very stable over time, while other materials can shrink up to 6% dimensionally. A good bedding job should be a perfect fit to your barreled action. If the bedding material shrinks over time, that is NOT a good thing….

Speedy’s customer asked: “I know you’re not a Devcon man in regards to bedding compounds but I respect your input in such matters and my question is this in regard to aluminum actions. If Devcon was considered, for an aluminum action, would you prefer aluminum compound formula or steel formula? I personally prefer Devcon steel and Marine-Tex for steel receivers but my experience with aluminum is limited. Also do you have a release agent preference that works better with aluminum?”

Speedy answered: “My only preference of one epoxy over another is their stability over time. My buddy who works for the Texas State Weights and Measures Department had me cast several of the most common types of epoxies used for bedding into 1.000″ machined blocks. After one year of being kept in a controlled climate and measured for shrinkage monthly, the Marine Tex shrunk only 1/10th of 1% (i.e. 0.1%) whereas almost all the others (including Devcon Steel formula, Devcon Aluminum formula…) shrunk 3% to 6%. The only other compounds that matched the Marine Tex were Araldite 1253 and Araldite 2014, with the latter being quite expensive for daily use.”

Marine-Tex Pillar Bedding Marine-Tex Bedding Block Aluminum Actions

Speedy added: “The Marine Tex Grey has no atomized metal in its makeup even though it appears that it does. This can be proven by the use of a strong neodymium magnet. What is humorous to me is that people don’t like aluminum yet will bed their actions atop aluminum pillars that have twice the coefficient of expansion (COE) of steel. Like Devcon, it is what people have always done and used. Thus [they] perpetuate the same old stuff. That’s my two cents’ worth. But as I tell everyone, ‘I’ll tell you what I know or do, but it’s not my job to convince anyone to do it my way’.”

Release Agents — Try Shoe Polish
Regarding release agents, Speedy stated: “I use Kiwi Neutral or Tan shoe polish. This works great and you can find it anywhere. Do NOT use the black or brown as it will stick.”

Marine-Tex Pillar Bedding Marine-Tex Bedding Block Aluminum Actions

View More Photos of Speedy Inletting and Bedding Job
CLICK HERE to see an interesting bedding job done by Speedy using a custom titanium bedding block. Speedy notes, “The stock was a raw blank requiring full inletting for the action to fit properly plus the titanium block. All the loading ports, bolt handle cut, bolt stop, and trigger guard cuts were done with diamond tooling to eliminate fraying and/or delamination of the wood.” You’ll find more projects by Speedy on his Facebook Page. Speedy is in San Antonio, Texas now, and accepting new projects with his company S.G. Rifles LLC.

Permalink - Articles, Gunsmithing, Tech Tip 2 Comments »
January 10th, 2019

Savage Will Launch 40 New Products at 2019 SHOT Show

Savage Arms 2019 new rifles Axis II MSR AR15 PRS hunting rifles

Savage will launch 40 new products at the 2019 SHOT Show in Las Vegas. This will be a big year for Savage as 2019 marks Savage’s 125th Anniversary. The brand is celebrating the historic event by offering limited-edition rifles as well as many new offerings in bolt-action rifles, AR-platform rifles, and shotguns. “Whether you are looking for a training rifle, a competition-grade modern sporting rifle, a reliable shotgun for hunting or personal defense, or a lightweight hunting rifle packaged with a scope, Savage has those needs covered, plus more”, said Savage’s Marketing Director, Beth Shimanski.

New 2019 Product Launch Highlights

The company is expanding and improving its popular XP scoped rifle lines. New models include the 110 Apex XP series, featuring Vortex scopes, and a pint-sized Rascal Target XP. Plus, the existing AXIS XP series has been upgraded with a new modernized stock. The AccuFit system lets shooters quickly adjust comb height and length-of-pull. The feature is an integral part of a new long-range rifle with a superior finish, the 110 High Country, featured below:

Savage Arms 2019 new rifles Axis II MSR AR15 PRS hunting rifles
Savage Arms 2019 new rifles Axis II MSR AR15 PRS hunting rifles

Savage is expanding the popular XP scoped rifle lines. New models include the 110 Apex XP series, featuring Vortex scopes, and a pint-sized Rascal Target XP. Plus, the existing AXIS XP series has been upgraded with a new modernized stock.

Savage Arms 2019 new rifles Axis II MSR AR15 PRS hunting rifles

Savage’s MSR 15 and MSR 10 AR-platform rifle series will include new options for long range, precision and competition shooting. These rifles are not cookie-cutter AR clones. The MSR Savages have some interesting upgrades, such as side-charging handles (on MSR 10), Magpul PRS stocks, adjustable gas blocks, and tunable muzzle brakes. The MSRs also enjoy a good reputation for build quality and reliability.

Savage Arms 2019 new rifles MSR AR15 PRS hunting rifles

Savage Arms 2019 new rifles Axis II MSR AR15 PRS hunting rifles

All of these new rifles, as well as more bolt-action and semi-automatic centerfire and rimfire rifles, will be on display at SHOT Show Booth No. 14551 January 22-25, 2019 at the Sands Expo Center.

Permalink Gear Review, Hunting/Varminting, New Product 1 Comment »
January 10th, 2019

Bullet Bell Curve — Sorting by OAL vs. Base-to-Ogive vs. Weight

Bullet, Sort, Jacket, Sierra, USAMU, Sort, Bell Curve, Distribution, OAL

The USAMU has published a “how-to” article about bullet sorting. While many of us may sort bullets by base-to-ogive length (and/or weight), the USAMU story explores the “how and why” of sorting bullets by Overall Length (OAL). Read the article highlights below, and make your own decision as to whether OAL sorting is worth the time and effort. Bryan Litz of Applied Ballistics says that sorting by OAL is not a bad idea, but base-to-ogive bullet sorting probably represents a better investment of your time.

USAMU

Bullet Sorting by Overall Length

We’d like to share a specialized handloading technique which we’ve long found beneficial to our long-range (600 yards and beyond) accuracy. Sorting of bullets for extreme long range (LR) accuracy is not difficult to do, but some background in theory is needed.

Here at USAMU’s Handloading Shop, we only sort individual bullets for the most demanding Long-Range applications and important competitions. Only the most accurate rifles and shooters can fully exploit the benefits of this technique. The basic sorting process involves measuring the Overall Length (OAL) of the bullets, and grouping them in 0.001″ increments. It’s not unusual to find lots of match bullets that vary as much as 0.015″-0.020″ in length throughout the lot, although lots with much less variation are seen as well. Even in bullet lots with 0.015″ OAL variation, the bullet base-to-ogive length will show much less variation. Hence, our basic sort is by bullet OAL. One obvious benefit of sorting is easily seen in the attached photo. The few bullets that are VERY different from the average are culled out, reducing probable fliers.

How does one know what OAL increments to use when sorting? The answer is simple. As each lot of bullets is unique in its OAL distribution, it’s best to sample your bullet lot and see how they are distributed. In the attached photo, you will see a set of loading trays with a strip of masking tape running along the bottom. Each vertical row of holes is numbered in 0.001″ increments corresponding to the bullets’ OAL. A digital caliper makes this task much easier. As each bullet is measured, it is placed in the line of holes for its’ OAL, and gradually, a roughly bell-shaped curve begins to form.

Note that near the center, bullets are much more plentiful than near the edges. At the extreme edges, there are a few that differ markedly from the average, and these make great chronograph or sighting-in fodder. We recommend using a sample of 200 bullets from your lot, and 300 is even better. Some bullet lots are very consistent, with a tall, narrow band of highly-uniform bullets clustered together over just a few thousandths spread. Other lots will show a long, relatively flat curve (less uniform), and you may also see curves with 2 or more “spikes” separated by several 0.001″ OAL increments.

Bryan Litz Applied Ballistics Bullet Sorting AccurateShooter.com

Bullet Sorting (OAL vs. Base-to-Ogive vs. Weight) — Litz Talks

I’m often asked what is a the best measure to sort bullets by, and the answer (to this and many other questions in ballistics) is: it depends.

Choosing to sort by overall length (OAL), base to ogive (BTO), bearing surface, weight, etc. can get overwhelming. Shooters typically look for something they can measure, which shows a variation and sort by that. It’s common for dimensional variations to correlate. For example, bullets which are longer in OAL are typically also shorter in BTO, and have longer noses. All these are symptoms of a bullet that was pushed a little further into the pointing die, or possibly had more than average lube while being swaged. So in essence, if you sort by BTO, you’re measuring one symptom which can indicate a pattern in the bullets shape.

So, the question still stands — what should you measure? You’ll always see more variation in OAL than BTO, so it’s easier to sort by OAL. But sometimes the bullet tips can be jagged and have small burrs which can be misleading. Measuring BTO will result in a lower spread, but is a more direct measure of bullet uniformity.

Then there’s the question of; how much variation is too much, or, how many bins should you sort into? Shooters who see 0.025” variation in BTO may choose to sort into 5 bins of 0.005”. But if you have only 0.005” variation in the box, you’ll still sort into 5 bins of 0.001”. What’s correct? You have to shoot to know. Live fire testing will answer more questions, and answer them more decisively than any amount of discussion on the subject. The test I recommend is to identify bullets on the extreme short end of the spectrum, and some on the extreme long end. Load at least 10 rounds of each, and take turns shooting 5-shot groups with them. If there is a difference, it will be evident. The results of the testing will answer your question of: should I sort based on X, Y, or Z?”

You can read more discussion on this and other similar subjects in the new Ballistics & Bullets board in the Accurateshooter.com forum. Here’s a link to the thread which is discussing bullet sorting: Bullet Sorting Thread

Permalink Bullets, Brass, Ammo, Reloading Post comment »