Applied Ballistics has released powerful new ballistics software, the Applied Ballistics Quantum™ App. This state-of-the-art mobile App provides a complete ballistics solver plus profile management tool for long-range shooting. Featuring an all-new user interface, AB Quantum™ includes a host of new tools and features for competitive shooters and hunters.
“Ballistics can be complicated, and it is our job to simplify what’s important so that shooters can hit targets”, said Applied Ballistics Founder/Chief Ballistician Bryan Litz. “The AB Quantum platform meets this goal and more. By integrating the ballistic solver with other support tools, shooters will have a complete management system to … put rounds on target faster and easier than ever before.”
Applied Ballistics Chief Technology Officer Nick Vitalbo said that the goal was “to create the most intuitive, feature-rich ballistics application on the market, seamlessly integrating with the entire Applied Ballistics ecosystem of products. AB Quantum™ will be our flagship platform, driving the future of AB-integrated devices [and transforming] the way [customers] use their existing AB-enabled products.”
Quantum™ Ballistics App — New Features Overview
AB Quantum™ creates a new paradigm for ballistic solvers and integration with Bluetooth®-enabled devices. With a host of new features, the platform is designed to save time and add performance for users of all skill levels. The all-new user interface is designed with single-handed use in mind, putting all major features just a swipe or tap away from any screen, which allows users to rapidly obtain solutions in the field or at a match. The simplicity and versatility of the app interface creates an intuitive experience for both new and experienced users.
Two new features — AB Quantum Connect™ and AB Quantum Sync™ — enable users to quickly connect to other AB-enabled devices and sync gun profiles between them in seconds, as well as back those profiles up to an encrypted server for peace of mind and easy restoration. The new platform automatically saves changes made to rifle profiles and updates connected devices. AB Quantum™ also includes customizable Range and Multi-Target tables. After creating a range or target card, it can easily be shared via email.
AB Quantum™ platform has impressive, innovative features:
● AB Quantum™ User Interface — Take control of ballistic data and find solutions with ease using the new layout designed with one-handed operation in mind.
● New Bluetooth® Device Manager — Find and connect AB Bluetooth® devices quickly and send data
between devices using AB Quantum Connect™.
● AB Quantum Sync™ — User gun profiles are automatically uploaded to an encrypted server to allow easy access for other devices and backup, providing peace of mind and security.
● Customizable Range Card and Target Card Modes — The new expandable and customizable range and
target card modes allow users to select what data to see for each Range or Target. Use the share function to send range and data cards in just seconds.
● New Reticle Library — The AB Reticle library is hosted online and updates in AB Quantum™ automatically, providing users with up-to-date solution drawing for their favorite rifle scopes.
● Improved Truing Interface — Easy to access ballistic truing features without leaving solution screens.
● Chronograph Integration — Connect Bluetooth®-enabled chronographs – such as the Optex Systems
SpeedTracker™ – directly to the App and save the velocity data to rifle profiles.
The acclaimed Applied Ballistics Bullet Library is a good example of simplification for shooters: it includes thousands of projectile models that have been built using Doppler Radar to create a Custom Drag Model (CDM) for each bullet. This library is a core feature of the AB Quantum™ App, giving users the fastest way to create accurate and precise solutions for any environment.
Consumers can now download the AB Quantum App from iOS or Android app stores. There is a free basic version, as well as an Elite subscription, which unlocks many more features for just $2.99/month or $19.99/year (see chart below). For more information visit AppliedBallisticsllc.com/ab-quantum/.
About Applied Ballistics
Applied Ballistics provides ballistics data and software solutions for shooters, hunters and industry partners. Offering books, online training, and advanced ballistics software, Applied Ballistics is dedicated to delivering accurate, unbiased ballistics information and solutions.
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Along with the 20 Monday Deals featured here, some major vendors are offering site-wide specials today, Cyber Monday, December 2, 2024. You can get FREE Shipping or FREE Hazmat. In addition, Natchez is running major discounts for the next full week through December 8, 2024. Check out these specials:
Natchez is running a major Cyber Week Sale all this week from 12/2/24 to 12/8/2024. There are discounts up to 70% Off for outdoor gear and shooting accessories. Visit NatchezSS.com for Cyber Week Savings on a vast selection of outdoor gear and shooing products — including ammo — with savings up to 70% off! NOTE: For today only, Monday December 2, 2024 you can also get FREE Shipping with orders of $99.99 or more. Use Code FS241129 for FREE Shipping.
At Sportsman’s Guide, use coupon code SG4124 at checkout to receive 15% off your entire purchase> This works for nearly everything on the site, but with these exclusions: Buyer’s Club Membership fees, Ammo, Firearms, Trolling Motors, Electronics, Night Vision Optics, Generators, Doorbusters, and Bullseye deal items. 50 maximum coupon value. The coupon cannot be combined with any other coupons and cannot be redeemed for cash. Offer expires December 3, 2024.
Get FREE HAZMAT today at Powder Valley Outdoors with an order of $99 or more. Valid Monday, December 2nd only! NOTE: This promotion excludes dealers and cannot be combined with any other offer. Order value is based on $99 of hazardous materials from the following categories: Black Powder, Powder Substitutes, Primers, and Percussion Caps.
EuroOptic is running many CyberWeek and December promotions right now. Some of the deals conclude today 12/2/2024, but other promotions run through 12/8 or even through the end of the month. If you are shopping for a premium optic or a hunting rifle, head over to EuroOptic.com today.
Today, Monday December 2, 2024, Precision Reloading is offering $5 Flat-Rate Shipping on all orders of $99 or more. Use Discount Code SHIP5 at checkout to take advantage of this one-day discount.
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Can you form a wildcat cartridge such as the 6 Dasher without expending primer, powders, and bullets? Absolutely. Using the hydro-forming method you can form improved cases in your workshop with no firing whatsoever, so there is no wear on your precious barrel. Watch this video to see how it’s done:
6 Dasher Case Hydro-Forming Demonstration:
Forum member Wes J. (aka P1ZombieKiller) has produced a helpful video showing how to form Dasher cases use the Hornady Hydraulic forming die kit. This includes a two-part die (body and piston), and a special shell holder. To form the case, you insert a primer in your virgin brass, top the case off with with a fluid (water or alcohol), then run the case up into the Hydro-forming die. A few stout whacks with a hammer and your case is 95% formed.
This same procedure can be accomplished with a Whidden Gunworks 6mm Dasher hydraulic form die. We like the Whidden hydro-forming die for its production quality and consistent results. This Whidden system works great according to our Forum members.
Hydro-Forming Procedure Step-by-Step:
1. Insert spent primer in new 6mmBR brass case.
2. Fill with water or alcohol (Wes prefers alcohol).
3. Wipe excess fluid off case.
4. Place case in special Hornady shell-holder (no primer hole).
5. Run case up into Hydraulic forming die.
6. Smack top piston of forming die 3-4 times with rubber mallet or dead-blow hammer.
7. Inspect case, re-fill and repeat if necessary.
8. Drain alcohol (or water) into container.
9. Remove primer (and save for re-use).
10. Blow-dry formed case. Inspect and measure formed case.
Wes achieves very uniform cartridge OALs with this method. He measured ten (10) hydro-formed 6 Dasher cases and got these results: two @ 1.536″; 2 @ 1.537″; and 6 @ 1.538″.
Three or Four Whacks Produces a 95%-Formed Case
With a Whidden or Hornady hydro-forming die, hydraulic pressure does the job of blowing out the shoulders of your improved case. The process is relatively simple. Place a spent primer in the bottom of a new piece of brass. Fill the case with water, and then slip it into a special Hornady shell-holder with no hole in the middle. Then you run the case up into the forming die. Now comes the fun part. You gently insert a plunger (hydraulic ram) from the top, and give it three or four stiff whacks with a mallet (or better yet, a dead-blow hammer). Remove the plunger and you have a 95% formed case, ready to load.
Special Shell-Holder
Hornady supplies a shell holder made specifically for the hydro die; there’s no hole in the bottom of it. Just insert a spent primer into the primer pocket and you’re ready to go. The spent primer, combined with the solid shell holder, keeps the water from seeping out of the primer pocket. The primer pushes out a little bit during this process, but it’s impossible for it to come out because of the way the shell holder is designed. The shell holder has a grove which allows the case to slide out of the shell holder even when the primer protrudes a bit.
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This is a grim tale. A man almost lost the use of his right hand, and did suffer terrible injuries to his fingers. All because he picked the wrong bottle of powder off the shelf. We have run this story before, and we will continue to run it every year, as a caution to our readers. This mistake is easy to make, but the consequences can be dire. Always, always double-check your powder labels before you start the hand-loading process. If you don’t, you may not have a hand to load with next time…
Similar Labels, Disasterous Consequences
The shooter, Denny K., was assembling some rounds for his brand new 7mm-08 Savage hunting rifle. He thought he was loading with Hodgdon Varget. Instead he had filled his powder measure with Hodgdon TiteGroup, a fast-burning pistol powder. The labels are similar, so the mistake is understandable. But the results were devastating. Here’s what 41 grains of TiteGroup can do in a 7mm-08:
Posting on the Firing Line, in a thread entitled “Lucky to Be Alive”, Denny writes:
“This is the hardest post to post. I know if I had read it a week ago my comment would have been: ‘You have no business reloading’. I had everything perfect, except pouring the wrong powder in the powder measure. I type this slowly with my left hand, embarrassed but … possibly saving someone else a tragedy or, like me, a long drive to the Emergency Room and surgery to save my finger.”
The Still-Sealed Bottle of Varget
Denny did not initially comprehend exactly why the kaboom happened. He thought maybe his new Savage rifle was at fault. Then, on his return home, he discovered something…
Denny wrote: “The seven-hour period it took to go to ER, transport to Trauma Center and surgery made me think it was a Savage rifle issue. Brand new rifle, new brass, triple-checked loading data. The next day I was humbled when I realized the Varget powder was still sealed.
I knew what powder to use. I thought [Varget] was what I used. Not until the following day did I realize the Varget was still sealed.”
At that point, Denny realized what caused the accident — “operator error”. He knew he had to warn others about using the wrong powder: “I knew I needed to share my mistake, even though it is embarrassing, just to remind people. I’ve been reloading for 30 years…”
Editor’s Comment: Denny was not a novice reloader. His experience demonstrates that this kind of mistake can be made by any hand-loader, even one with decades of experience. Be safe guys, take your time when you load your ammo. Remove powders from measures after your loading sessions (pistol powders can look very similar to rifle powders). And by all means CHECK the LABEL on the jug. As the TiteGroup label says: “A little goes a long way.”
It’s not a bad idea to separate your pistol powders from your rifle powders, or perhaps even load for pistol in a separate part of your workshop.
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Today is Thanksgiving, aka “Turkey Day”, a time to enjoy an annual get-together with family and friends. To mark this occasion we offer a collection of interesting videos about turkey hunting plus a FREE Turkey target. Enjoy your Thanksgiving holiday!
GetZoneHunting.com has a vast video library for hunters, with hundreds of helpful videos on all types of hunting. In time for spring turkey season, GetZoneHunting offers a big collection of turkey hunting videos: At the Ranch – Turkey. On that page you’ll find 13 turkey hunting “how-to” videos. Here are links to five GetZone Turkey Hunting videos with valuable information from skilled, experienced hunters.
At the Ranch Turkey Hunting Videos
At the Ranch – Turkey offers solid advice for turkey hunters. These five videos will help you better understand turkey behavior and have success on your hunt. Click any photo to watch the particular video on the GetZone website. (Work Warning — When each GetZone video opens, it may immediately launch an annoying commercial with loud AUDIO!). There are eight more turkey hunting videos on GetZone’s Turkey Hunting HQ Page.
At the Ranch: Shot Placement for Turkeys — CLICK PHOTO to Watch Video
At the Ranch: Turkey Hunting Essentials — CLICK PHOTO to Watch Video
At the Ranch: The Difference Between a Jake and a Tom — CLICK PHOTO to Watch Video
At the Ranch: Early vs. Late Spring Turkey Hunt — CLICK PHOTO to Watch Video
At the Ranch: How to Plan a Turkey Hunt — CLICK PHOTO to Watch Video
Free Printable Turkey Target from AccurateShooter.com
As a special bonus for our readers, here is a free, printable Turkey Target, so you can practice for your turkey hunting adventure, This special Turkey Bullseye Target was created by our friend and Forum member Pascal (aka “DesertFrog”). CLICK HERE for FREE Turkey Target.
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Caldwell Brass Retriever
Tired of bending over or kneeling down to retrieve your fired cartridge brass? For older shooters (including this Editor) getting down on the ground to pick up brass is tough on the lower back and knees. Here’s a product that makes brass retrieval quick, easy, and pain-free. The Caldwell Brass Retriever works quite well with a little practice, once you apply the correct pressure. While it won’t always grab every fired case, it will capture nearly all, and that can really make the job go much faster.
One owner praises this as a “very good tool” that is “a lot easier on my back.” While it can work on grass, gravel, and hard-packed earth, the unit works best on smooth, hard surfaces. Currently priced at $47.46 on Amazon, it is an affordable tool.
Caldwell states: “Spend less time bending over and picking up brass at the range and more time shooting. The Caldwell® Brass Retriever picks up brass, saving your back and time. The Brass Retriever can pick up rifle and pistol brass quickly and efficiently. The retriever comes complete with a roll cage separator that allows you to dump the collected brass into a bucket quickly. It is collapsible as well, making it convenient to transport. The retriever’s handle expands from 28″ up to 57″ tall.”
Brass Retriever Owner Reviews
Here are Amazon reviews from actual purchasers. It’s clear the device is not perfect and can miss a case or two. However, the Brass Retriever does grab the vast majority of brass on the ground, sized .223 Rem or larger diameter. This will save time and reduces stress on your back and joints:
“This thing … does a terrific job of collecting the brass from a standing posture quickly and efficiently. It helps to have the cases on a smooth surface like concrete or dirt without a lot of vegetation. But we used it on open desert yesterday and it collected nearly every case with a single pass. It’s now a permanent piece of gear in the stuff we take when target or ground squirrel shooting.” — Hans H.
“This WILL save your back. The only drawback is you can’t overload it with brass. After couple dozen pieces (or less) it will start dropping brass while you’re attempting to collect others. That’s the limitation (one of them). There is a short learning curve (15 min.) in which you’ll learn how much brass is too much And how you need to orientate the wires to pick up the brass. It doesn’t do as well on gravel or high grass as it does on a smooth, firm surface. Even with its limitations, it’s a keeper. Just empty every dozen or so pieces and it works very well.” — Jeff M.
Specialized Tool for .22 LR Brass
NOTE: The Caldwell Brass Retriever is designed primarily to recover reloadable rifle and pistol brass, with case diameters as fat as .223 Rem or larger. Some people state it can be used for smaller .22 LR cartridges too, but there is a much better product for that.
The UniqueTek Rimfire Brass Wizard is optimized for picking up .22 LR rimfire cases. It has a smaller basket with wires spaced closer together. It can also pick up pistol and rifle cartridge brass but will hold fewer cases than the original Brass Wizard or the Caldwell Brass Retriever. The Brass Wizard “Rimfire” The Brass Wizard “Rimfire” comes standard with the telescoping handle and includes a”Dumper” accessory.
Black Friday is the day after Thanksgiving. Around the country major shooting sports retailers will be offering significant savings on a wide variety of products — from reloading dies to complete, high-end rifles. Some of the major players, such as Brownells, Bud’s Gun Shop, and Palmetto State Armory, have already started their “Black Friday Week” sale, with discounts up to 35% on some products. With Brownells Use Promo Code 15BF to save 15% sitewide — plus you can also get FREE Shipping with $49+ orders.
Gun.Deals has also found some great Black Friday Week bargains from Amazon, as well as major online shops such as KYGUNCO, LockedandLoaded, Sportsman’s Warehouse, and more. We feature a dozen of these hot deals in the table below. Click any box to find the deal on the seller’s website. NOTE: These deals may expire quickly, so you should check often on the Gun.Deals Black Friday Specials Page.
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Over 22 million carry permits have been issued in the United States according to a recent study. Overall 8.5% of American adults now have carry permits. Along with CCW permit holders, millions of other gun owners may carry defensive pistols in “open carry” states. Carrying a defensive pistol is a big responsibility. That’s why all those who carry handguns for self-protection should definitely practice regularly. For many, pistol practice is an indoor experience. Indoor ranges are most convenient for those who live near urban centers, where the biggest threats to public safety currently exist. This article covers indoor firearms training and the proper procedures you should follow at indoor ranges.
This Video Covers Basic Gun Range Safety Rules and Etiquette
FIVE IMPORTANT SAFETY PROCEDURES for Indoor Ranges
1. Follow the Three Fundamental Rules for Safe Gun Handling
ALWAYS keep the gun pointed in a safe direction. ALWAYS keep your finger off the trigger until ready to shoot. ALWAYS keep the gun unloaded until ready to use.
2. Follow ALL Range Officer Instructions
ROs are the first and final authority on any range and their decisions are generally final. Arguing with a Range Officer may just get you thrown out.
3. Don’t Bother Others or Touch Their Guns
Respect other shooters’ privacy unless a safety issue arises. Do NOT engage other shooters to correct a perceived safety violation unless absolutely necessary – inform the RO instead. NEVER handle or touch another shooter’s firearm without their permission!
4. Know Your Range’s Rules
Review and understand any and all range rules and requirements/expectations. For example, what is the range’s maximum rate of fire? Are you allowed to collect your brass?
5. Know What To Do During a Cease Fire
IMMEDIATELY set down your firearm, pointed downrange, and STEP AWAY from the shooting booth (or bench). Range Officers do not want shooters trying to “secure/unload” their firearms in a cease fire situation — they want the shooters separated from their guns instantly.
Double-Up on Hearing Protection When Shooting Indoors
Howard Leight states that Impact Pro muffs are “designed for handgun and pistol shooters looking for high NRR … for indoor ranges, covered ranges or other extremely loud shooting environments.”
When shooting indoors we recommend quality muffs with earplugs underneath, offering double protection. When inside an enclosed range, with other shooters blasting away right next to you, you really need effective hearing protection. But you also need to hear range commands and be able to communicate. That’s why we recommend electronic muffs with quality plugs underneath. We recommend the NRR 33 Howard Leight Max-1 Plugs. These tapered plugs are comfortable, easy to insert, and have a flared end for better sound seal.
On top of those plugs, run high-quality muffs. For indoor ranges where sound levels can be extremely high, we recommend Howard Leight Impact Pro Muffs. These offer an impressive 30 dB Noise Reduction Rating (NRR) and the effective noise reduction can be improved by 4 decibels or more by running plugs as well.* These muffs are pretty comfortable and offer Headphone Functionality so you can connect to your smartphone, MP3 player, or other audio device. These muffs are an Amazon’s Choice for $79.15.
* Four decibels may not sound like much, but remember the decibel measurement system is logarithmic, so four decibels is VERY significant. We have discussed the merits of “doubling up” hearing protection with Ph.D. sound engineers. They told us that a combination of muffs and plugs could reduce effective noise levels by up to five decibels compared to plugs alone. In addition, good muffs will block bone conduction sound energy better than plugs alone.
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At the request of our readers, we provide select “Deals of the Week”. Every Sunday afternoon or 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.
NOTE: All listed products are for sale to persons 18 years of age or older. No products are intended for use by minors.
1. Palmetto SA — Black Friday Guns and Optics Deals
⏺️ Save hundreds on popular AR lowers, pistols, and optics
Black Friday is the day after Thanksgiving. But Palmetto State Armory has kicked off its Black Friday Sale already. There are some absolutely amazing deals, such as a nice SAR9 Pistol complete with holster and belt mag holder for just $249.99. Or get a complete AR lower for just $149.99. If you enjoy rimfire pistol shooting, grab the Taurus TX22 pistol for $219.99 ($75 Off) and get 3 extra magazines via a Taurus rebate.
2. EuroOptic — Bergara Hunting Rifle Clearance
⏺️ Significant savings on Bergara B-14 Wilderness Series rifles
If you want a nice bolt-action hunting rifle at a big discount, check out Closeout Bergara rifles at EuroOptic. Bridging the gap between the B-14 basic and Premier Series, Bergara’s B-14 Wilderness Series is on sale, with featured Hunter ($751.99 on sale) and Terrain ($976.99 on sale) models. These rifles offer good ergonomics and hand-painted camouflage stocks with webbing for increased texture and grip. All Wilderness Series barreled actions feature Sniper Grey Cerakote finishes for advanced protection in extremely harsh weather.
3. Midsouth — LEE Anniversary Press and Dies, $79.99
⏺️ Solid single-stage press AND die set under $80!
The LEE Challenger is the world’s best-selling single station press. The latest Gen III Challenger features an ergonomic lever plus a convenient tube for spent primers. Right now, to mark its 40th Anniversary, LEE is offering a FREE die set with the purchase of the LEE Gen III Challenger Press. Choose one of five cartridge types: .223 Rem, 9mm Luger, .38 SPL/.357 Mag, .44 SPL/.44 Mag, and .45 ACP. A great feature of the LEE Press is the Breech Lock Quick Change Die System — change dies instantly with a twist of the wrist.
4. Ammo Depot — Huge Ammo Sale
⏺️ Major savings on quality 9mm and .223 Rem ammo
Save big bucks right now with the pre-Black Friday Ammo Sale at Ammo Depot. You’ll find top quality ammo from major brands at up to 80% savings. Plus there are range pack discounts for larger quantities — 200 to 5250 rounds. We noted many very great deals on 9mm pistol ammo and .223 Rem (5.56) ammo, with a variety of bullet types.
⏺️ Many positive user reviews — good set-up for varminting and home ranges
Need a good platform for shooting in areas other than organized ranges? Check out the Caldwell Stable Table Deluxe. A bolt in the base allows position adjustment of a single leg, aligning the tabletop so that it is parallel with the horizon. The central shaft, seat, and tabletop are able to pivot (rotate) around a center axis as a single unit while keeping the tabletop parallel to the horizon. This is great for varmint hunting. Owner reviews have been very positive. This item is sold via Walmart.com but ships from Optics Planet.
⏺️ Great value and good choice for PRS/NRL and tactical matches
Need a quality scope at an affordable price for your PRS/NRL rifle? Check out the Vortex 4-24x50mm MRAD Scope at MidwayUSA. Now on sale for just $299.99 (40% off), this quality tactical scope features 0.1 mil click values and EBR4 MRAD-type reticle for easy hold-overs and wind adjustments. Proprietary coatings increase light transmission and the Illuminated reticle provides precise aiming under low-light conditions. Now $200 off the regular $499.99 price, this is a super scope steal.
7. Amazon — Magpul MOE Bipod, $56.93
⏺️ Rugged, reliable bipod that is strong, yet light weight
Whether hunting, competing, or just having fun at the range, having a quality bipod is important. We like the Magpul MOE Bipod which is available in black or FDE. At 8 ounces, it weighs almost 40% less than some other bipods while still providing a dependable, stable platform to shoot from. Staggered soft rubber feet hold fast on a variety of shooting surfaces and are easily removed should users choose to change feet. The bipod legs accept most Atlas-pattern bipod replaceable feet.
8. Amazon — Night Vision Binoculars, $99.97
⏺️ Top-seller with 4k HD image that can be recorded
Here is a great product for hunters that can also serve for home security, allowing you to scan your property at night. These Hexeum 4K Night Vision Binoculars can “watch live” as well as record stills and video. Now available for just $99.97, these view-screen binoculars can take high definition photos and record/playback video in daytime or night time. The recording is 4K HD quality with playback via a 3″ wide view screen. This unit is Amazon’s #1 Best-Seller among Night Vision Binoculars and Goggles. This Hexeum unit comes with a 32GB storage card and offers USB Type-C fast charging.
⏺️ Get TWO good compact lock boxes for home or when traveling
Keeping handguns safe from theft or unauthorized use is vital. One good travel option is the TSA-compliant STOPBOX Gun Safe lock box. The button-activated mechanical lock offers quick access to your firearm. This lock box is also padlock-compatible. This $159.00 deal gives you TWO portable handgun safes, each measuring 9.25″ x 7.15″ x 1.75″ inside — big enough to handle full-size pistols. The patented glass-reinforced polycarbonate ABS and steel-reinforced lock boxes pass tough drop tests and come with a limited lifetime warranty.
With noticeable movement and loud sound at each hit, shot impacts can be heard and seen on the Birchwood Casey Boomslang AR500 Steel Gong even at considerable distance. This portable target is easy to set up and is rated for centerfire handguns and centerfire rifles up to a big .338 Magnum rifles. Note: When using the target, handguns require a minimum distance of 25 yards. With rifles, place the Boomslang target no closer than 100 yards.
As an Amazon affiliate, this site can earn revenues through sales commissions.
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Fire-Form with Foulers
Here’s a tip for guys who shoot the 6 PPC, 6 Dasher, 6 BRA, .284 Shehane, or other wildcat cartridges that require fire-forming. Use your fouler shots to fire-form new cases. That way your fouler shots do “double-duty” and you get your brass fire-formed without putting extra rounds through your expensive barrel.
This procedure is recommended by Joel Kendrick, the 2004 IBS 600-yard Shooter of the Year. After he cleans his barrel, Joel knows it takes two or three shots to foul in the bore before accuracy returns. (YMMV — some barrels may need five or six foulers.) When shooting his PPC, Joel uses those fouler shots to fire-form his new brass. Joel explains: “I like to have relatively new brass always ready. By fire-forming a couple cases after each barrel-cleaning during a match, by the end of the weekend I’ve got a dozen or more freshly fire-formed cases to put into the rotation. If you do this with your fouler shots you get your fire-forming accomplished without using up any extra barrel life.”
This not only saves barrel wear, but it saves you trips to the range for the purpose of fire-forming. We thank Joel for this smart suggestion. For those who do not have a dedicated barrel for fire-forming, this should help keep your round-count down. Note: With this fouler fire-forming routine, you should ALWAYS do the fire-forming with the SAME POWDER you load for your match ammo. Joel currently works as the Supplier Quality Process Engineer for MMI-TruTec, a company that offers barrel surface coatings that can further extend your barrel life.
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In discussions of ballistics, you’ll see references to “tangent”, “secant”, and “hybrid” bullet shapes. We know that, for many readers, these terms can be confusing. To add to the confusion, bullet makers don’t always identify their projectiles as secant or tangent designs. This article provides a basic explanation of tangent, secant, and hybrid ogive bullet designs, to help you understand the characteristics of these three basic bullet shapes.
Tangent vs. Secant vs. Hybrid
Most match bullets produced today use a tangent ogive profile, but the modern VLD-style bullets employ a secant profile. To further complicate matters, the latest generation of “Hybrid” projectiles from Berger Bullets feature a blended secant + tangent profile to combine the best qualities of both nose shapes. The secant section provides reduced drag, while the tangent section makes the bullet easier to tune, i.e. less sensitive to bullet seating depth position.
Berger Bullets ballistician Bryan Litz explains tangent and secant bullet ogive designs in a glossary section of his Applied Ballistics website, which we reprint below. Bryan then explains how tangent and secant profiles can be combined in a “hybrid” design.
How Bullet Ogive Curves are Defined
While the term “ogive” is often used to describe the particular point on the bullet where the curve reaches full bullet diameter, in fact the “ogive” properly refers to the entire curve of the bullet from the tip to the full-diameter straight section — the shank.
Understanding then, that the ogive is a curve, how is that curve described?
LITZ: The ogive of a bullet is usually characterized by the length of its radius. This radius is often given in calibers instead of inches. For example, an 8 ogive 6mm bullet has an ogive that is a segment of a circular arc with a radius of 8*.243 = 1.952”. A .30-caliber bullet with an 8 ogive will be proportionally the same as the 8 ogive 6mm bullet, but the actual radius will be 2.464” for the .30 caliber bullet.
For a given nose length, if an ogive is perfectly tangent, it will have a very specific radius. Any radius longer than that will cause the ogive to be secant. Secant ogives can range from very mild (short radius) to very aggressive (long radius). The drag of a secant ogive is minimized when its radius is twice as long as a tangent ogive radius. In other words, if a tangent ogive has an 8 caliber radius, then the longest practical secant ogive radius is 16 calibers long for a given nose length.”
Bryan Litz Explains Hybrid Design and Optimal Hybrid Seating Depths
Ogive Metrics and Rt/R Ratio
LITZ: There is a number that’s used to quantify how secant an ogive is. The metric is known as the Rt/R ratio and it’s the ratio of the tangent ogive radius to the actual ogive radius for a given bullet. In the above example, the 16 caliber ogive would have an Rt/R ratio of 0.5. The number 0.5 is therefore the lowest practical value for the Rt/R ratio, and represents the minimum drag ogive for a given length. An ogive that’s perfectly tangent will have an Rt/R ratio of 1.0. Most ogives are in between an Rt/R of 1.0 and 0.5. The dimensioned drawings at the end of my Applied Ballistics book provide the bullets ogive radius in calibers, as well as the Rt/R ratio. In short, the Rt/R ratio is simply a measure of how secant an ogive is. 1.0 is not secant at all, 0.5 is as secant as it gets.
Hybrid Bullet Design — Best of Both Worlds?
Bryan Litz has developed a number of modern “Hybrid” design bullets for Berger. The objective of Bryan’s design work has been to achieve a very low drag design that is also “not finicky”. Normal (non-hybrid) secant designs, such as the Berger 105gr VLD, deliver very impressive BC values, but the bullets can be sensitive to seating depth. Montana’s Tom Mousel has set world records with the Berger 105gr VLD in his 6mm Dasher, but he tells us “seating depth is critical to the best accuracy”. Tom says a mere .003″ seating depth change “makes a difference”. In an effort to produce more forgiving high-BC bullets, Bryan Litz developed the hybrid tangent/secant bullet shape.
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NOTE: There are ten (10) shots in the group, but for simplicity we are only displaying five (5) shot circles. Adding more circles won’t change the measurement because the two most distant shots, which determine group size, ARE included.
What kind of 200-yard accuracy can you get in an enclosed, underground test range? Would you believe 0.162 MOA at 200 yards with a .338? Have a look at these test targets from Sierra Bullets. Like most bullet manufacturers, Sierra does live-fire bullet testing to ensure that Sierra projectiles perform as promised, with repeatable accuracy. Sierra tests bullets in its own underground test complex. Sierra’s 300-meter test range is the longest, privately-owned underground bullet test facility in the Western Hemisphere.*
Day in and day out, various bullet types are tested using a big collection of barreled actions. These barreled actions are clamped in stout, return-to-battery test fixtures. These big, heavy test fixtures provide near-perfect repeatability (with no human-induced holding or aiming errors).
Sierra Bullets 10-Shot Groups at 200 yards
Check out these 10-shot test groups shot at the Sierra Test Range at 200 yards. Note that the numbers listed on each sample are actual measurements in inches. To convert to MOA, cut those numbers in half (to be more precise, divide by 2.094, which is 1 MOA at 200 yards). For example, the 0.340″ middle group works out to 0.162 MOA at 200 yards.
Scan-Verified 0.162 MOA Accuracy at 200 Yards
To verify the accuracy of Sierra’s measurements, we measured the middle (.338 caliber) 10-shot group with our On-Target Group Measurement software. We registered a group size reading of 0.339″ — within one-thousandth of the Sierra measurement. The calculated group size in MOA (Minute of Angle) is 0.162.
That’s amazingly good for ten rounds of big .338 caliber bullets. A FIVE-shot 0.162 MOA group at 200 would be considered excellent at any benchrest match. But remember this target has TEN shots. The current, one-target IBS world record for ten shots at 200 yards is 0.245″, set by Ed Watson in 1999.
Bevy of Barreled Actions for Bullet Testing
Sierra Bullets uses dozens of barreled actions for testing bullets in its enclosed, 200-yard test range. Each barrel has its own logbook to track the barrel’s usage.
Click Photo to Zoom
*Even Longer Test Tunnels Exist in Europe: At Stadeln in Germany, RWS (now part of RUAG) owns a 500 meter tunnel (above ground level) which has existed for decades. In Thun, Switzerland, RUAG has a fully-instrumented 500 meter underground tunnel. Near Ulm, Germany, there is a 5-lane 300 meter underground shooting range that is open to the public.
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Hydro-Forming Procedure Step-by-Step:
Special Shell-Holder
Fire-Form with Foulers
Hybrid Bullet Design — Best of Both Worlds?
Scan-Verified 0.162 MOA Accuracy at 200 Yards
