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May 30th, 2024

Bullet Sectional Density — What You Need to Know

Bullet projectile sectional density formula Sierra Bullets

by Sierra Bullets Ballistic Technician Paul Box
All of us who have been in reloading and shooting for any period of time have read how sectional density has been regarded as a bullet’s ability to penetrate. Back before high velocity came along and modern bullet design, the easiest way to get more “power” and penetration was by increasing the diameter and mass. After all, a bowling ball will hurt more than a golf ball, right?

Let’s take a closer look at sectional density.

The formula for calculating sectional density is pretty simple and straight forward. Take the bullet weight and divide by 7000. This number is then divided by the bullet diameter squared. Two bullets of equal weight and the same diameter will have equal sectional sectional density. No regard is given to the bullet construction. This is where the fly hits the soup in considering sectional density as far as penetration is concerned.

Section Density Formula: (Bullet Weight divided by 7000) divided by Bullet Diameter squared.

Bullet construction is the biggest factor in how it is able to penetrate. The best example I can think of here is to look at the Sierra .224 55 Gr. FMJBT GameKing #1355 compared to the 55 Gr. BlitzKing #1455. Both are .224 and weigh 55 grs. Both have a sectional density of .157. But there is a huge difference in their construction. The FMJ has a thick jacket and is designed to penetrate. The BlitzKing is designed for fast and rapid expansion with little concern for how deep they will penetrate.

The next time you’re choosing a bullet, look at the construction and less at the sectional density number. It’s all about the construction anyway. If you have any questions or would like to discuss sectional density or bullet penetration further, please give us a call at 800-223-8799 or shoot us an email at sierra@sierrabullets.com.

Sierra Bullets reloading tips

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May 28th, 2024

6mm Creedmoor LOAD DATA from Sierra, Plus PRS Load Links

6mm Creedmoor 6.5 Creedmoor load data Sierra Bullets
NOTE: The 6mm Creedmoor now does have an official SAAMI specification. It is no longer just a wildcat.

CLICK HERE for Sierra Bullets 6mm Creedmoor LOAD DATA PDF »

Sierra Bullets Load Data 6mm Creedmoor reloading tips

Sierra Bullets has published load data for the 6mm Creedmoor cartridge, a necked-down version of the popular 6.5 Creedmoor. Sierra has released very comprehensive 6mm Creedmoor load data, covering fifteen (15) different bullets from 55 to 110 grains. NOTE: Hornady-brand brass was used for Sierra’s 6mm Creedmoor load tests, not the newer, stronger Lapua 6.5 CM brass with small primer pockets. Hand-loaders using Lapua 6.5 Creedmoor brass necked to 6mm may have to adjust their loads.

Sierra writes: “As soon as the 6.5 Creedmoor was released in 2007, a 6mm version was being envisioned. After the 6mm Creedmoor demonstrated its worth at 1000 yards it began to catch the attention of Precision Rifle Series (PRS) competitors. The 6mm Creedmoor is a great fit for those looking for an AR platform-friendly cartridge. It delivers velocities very similar to the .243 Win and yet fits the AR10 magazine length[.] The 30-degree shoulder makes this a very efficient case and helps prolong case life as well. The 6mm Creedmoor works well with powders such as H4350, [RE-16], RE-17, and Ramshot Hunter for heavier long-range bullet weights. Slightly faster powders such as RE-15, Win 760, and Vihtavuori N540 work well with lighter weight bullets.”

Sierra Bullets Tested for 6mm Creedmoor Load Data
55gr BlitzKing (#1502)
60gr HP (#1500)
70gr HPBT (#1505)
70gr BlitzKing (#1507)
75gr HP (#1510)
80gr SBT (#1515)
85gr Spitzer (#1520)
85gr HPBT (#1530)
90gr FMJBT (#1535)
95gr HPBT (#1537)
95gr TMK (#7295)
100gr Spitzer (#1540)
100gr SBT (#1560)
107gr HPBT (#1570)
110gr HPBT (#1575)

In developing its 6mm Creedmoor load data, Sierra tested a very wide selection of propellants, two dozen overall. For the smaller bullets, fast-burning powders such as Benchmark, H4895, and CFE223 were tested. For the heavier 100+ grain bullets, Sierra tested a selection of medium-burn-rate powders including H4350, Reloder 16, Reloder 17, Varget, and Superformance. Sierra did a very thorough job. We know this information will be welcomed by 6mm Creedmoor shooters.

Don’t know what powder to try first? For the 107-110 grain bullets, if you want best accuracy and low ES/SD, our Forum members recommend Alliant Reloder 16 and Hodgdon H4350. If you are seeking max velocity with the 110-grainer, look at Hodgdon Superformance and Reloder 19.

Here are Sierra’s 6mm Creedmoor Load Data Charts for 90-95 grain bullets plus the 107gr MK and 110gr MK. There are five other tables for other bullet types.

6mm Creedmoor 6.5 Creedmoor load data Sierra Bullets

6mm Creedmoor 6.5 Creedmoor load data Sierra Bullets

6mm Creedmoor 6.5 Creedmoor load data Sierra Bullets

6mm Creedmoor 6.5 Creedmoor load data Sierra Bullets


BONUS: PRB 6mm Creedmoor and 6.5 Creedmoor Load Survey

The Precision Rifle Blog compiled Load Data from PRS Competitors, for both 6mm Creedmoor and 6.5 Creedmoor. This is a good place to start. PRB surveyed the match loads for “173 of the top-ranked precision rifle shooters in the country”. One cautionary note: These PRS guys may be loading fairly hot, so work up gradually, 0.3 grains at a time. CLICK HERE.

PRB precision rifle blog pet loads what pros use 6.5 Creedmoor 6mm CM

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May 27th, 2024

BargainFinder 453: AccurateShooter’s Deals of the Week

AccurateShooter Deals of the Week Weekly Bargain Finder Sale Discount Savings

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. Brownells — Weekly Featured Deals and Memorial Day Sale

brownells weekly sale labradar chronograph rcbs press protektor bag vortex scope
⏺ Great deals at Brownells — ammo, bullets, optics, chronos, and more

Brownells now offers Weekly Featured Deals. You’ll find significant discounts on a huge range of products. Among the top weekly deals are the LabRadar Chronograph ($349.99), RCBS Rebel Press ($179.99), Vortex Scopes (1-4X can be used with service rifles), Walker’s Razor Slim Electronic Muffs ($39.99), and Protektor rear bag ($107.99).

2. EuroOptic — 50% Off Vortex for Military, LE, First Responders

powder funnel sale
⏺ 50% Off MSRP for Military, police, first responders through 5/30/24

Today (5/27/24) is Memorial Day. To help mark this day, Vortex, via EuroOptic, has a special promotion with 50% off MSRP for Vortex products. This offer runs through May 30, 2024. After that a similar Military/LE/First Responder discount may be available at 40% off MSRP. CLICK HERE for more information. To qualify you must set up a user account. The offer excludes close-outs and discontinued items.

3. Primary Arms — Memorial Day Sale, Save up to 30%

powder funnel sale
⏺ Major savings on hundreds of items — great for AR components

Primary Arms is running a big Memorial Day Sale with hundreds of items on Sale. Along with the featured special, you can shop for deals by Manufacturer/Brand (e.g. Vortex, EoTech, Magpul) or by Product Category (e.g. Optics, Barrels, Ammo, AR Uppers). Shown above are four noteworthy deals, but there are over 2000 items discounted.

4. Midsouth — Peterson Brass on Sale, 24 Varieties

powder funnel sale
⏺ High quality, long lasting brass — good PRS/NRL choice

Excellent American-made Peterson brass is on sale now at Midsouth. You’ll find many 6mm options including 6mm Dasher and 6mm Creedmoor. If you shoot a Dasher, this Peterson brass will let you avoid the time and expense of fire-forming cases. Hunters will be pleased to find a number of large magnum cartridge types available including 7mm PRC, 7mm RUM, .300 WinMag, .300 Norma Mag, 33 Nosler, .338 Lapua Magnum, and more.

5. MidwayUSA — ATN Day/Night 3-14X Video Scope, $559.00

atn 3-14x 5-20x video recorder GPS scope
⏺ Advanced scope records video and operates daytime and night-time

Here’s a great electro-optics product for hunters. The 3-14X ATN X-Sight scope offers day/night viewing capability, PLUS it can record HD video of your hunt. This scope even has a built-in Ballistics Calculator that shows hold-overs. Right now this 3-14X optic is $559.00 at MidwayUSA, a $140.00 (20%) discount. In addition to the ATN 3-14X model, there is a 5-20X version for $639.00 on sale at Midway USA. Both models offer HD video recording, ballistics, electronic compass, multiple reticle options, and smartphone connectivity. BONUS: Both 3-14X and 5-20X ATN optics ship with 30mm Picatinny rings.

6. Creedmoor Sports — Berger 6mm, 6.5mm, 7mm Bullets Sale

creedmoor sports berger bullet hybrid target 6mm 6.5 7mm sale
⏺ Good prices on top-tier Berger match bullets

Berger bullets are favored by top competitors in many disciplines. Right now you can get significant savings on popular Berger match bullets in 6mm, 6.5mm, and 7mm calibers. F-Class shooters — take note that Berger 180gr Match Hybrid Target bullets and 184gr F-Open Hybrid Target bullets are on sale — save $10 per hundred. Along with the savings on top-tier bullets, through 5/28/24 you can get FREE Shipping with orders over $149.00. Use Creedmoor Sports discount code REMEMBER.

7. Amazon — Lyman BrassSmith Funnel, $31.99

powder funnel sale
⏺ Very useful kit we use — avoids powder spills

Having a good powder funnel really helps precision reloading. The Lyman Products Brass Smith Pro Powder Funnel System (#ad) is a great little system. Unlike plastic powder funnels, the aluminum DIE cast body and CNC-turned aluminum caliber-specific inserts are static free to eliminate powder cling. The precision fit to your case necks eliminates spilled powder. The kit includes six laser-marked aluminum inserts to fit calibers 22 to 338: .22, .243/6mm, .25/6.5mm, .270/7mm, .30, and .338.

8. Midsouth — CCI Blazer .22 LR Ammo, $32.99/500 Rounds

cci blazer rimfire .22 LR 40gr LRN sale
⏺ Very low price on good, reliable .22 LR ammunition

If you use .22 LR ammo for NRL22, varminting, or plinking, consider this CCI Blazer 40gr ammunition. Rated at 1235 fps, this CCI ammo runs pretty fast and packs a punch. Right now you can get a 500-ct brick for just $32.99. That’s just $3.29 per 50-ct box, a great value for quality American-made ammo.

9. MidwayUSA — Plano Protector Pro-Max Rifle Case, $33.99

Plano single rifle case long barrel 53
⏺ Good price on a sturdy, 52″ interior transport case for long rifles

Do you have a long-barreled hunting or varmint rifle? With a 52″ internal size, this Plano Protector Pro-Max Rifle Case handles rifles with barrels up to 30″ (or 31″ with a thin buttplate). On the inside the case has high-density, interlocking foam padding. On the outside, the case has four clamps, padlock tabs, and a handy carry handle. NOTE: This case will work well for normal trips to the range. However, you’ll want a thicker, more sturdy TSA-approved case for airline transport.

10. Amazon — XAegis Tac Protective Eyewear, $18.99

shooting glasses sale
shooting glasses sale
⏺ Under $20 for versatile, multi-lens Eye Protection

All shooters need quality eye protection when operating firearms. XAegis Tac Eyewear is a versatile and affordable option. These ANSI Z87+ rated shooting glasses come with three different interchangeable lenses (Clear, Yellow, Gray). You also get a transport case, lanyard, and cleaning cloth. Choose from three frame colors, each for $18.99: Black frame, Green Frame, or Khaki frame. For under $20 these are hard to beat. It’s nice to have the color lens options for different weather conditions, and indoors/outdoors.

As an Amazon affiliate, this site can earn revenues through sales commissions.

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May 26th, 2024

Sub-Sonic, Sonic, Supersonic — Bullet Traces at Three Velocities

applied ballistics bullet mach speed science accuracy bryan litz facebook

applied ballistics bullet mach speed science accuracy bryan litz facebookOn the Applied Ballistics Facebook Page, there is a fascinating series of posts showing traces of bullets at various speeds from Mach 0.86 to Mach 3.0. At the slowest speed, Mach 0.86, i.e. 962 FPS, there is turbulence behind the bullet, but no clear shockwave. At the highest velocity, Mach 3.0 (3375 FPS at sea level, 68° F), there is a dramatic double nose and tail wave formation.

To learn more, visit TheScienceofAccuracy.com. On that site you’ll find exclusive video content and you can subscribe to member’s only Podcasts. And you can purchase Applied Ballistics books on the Science of Accuracy webstore.

Mach 3.00 Bullet Flight Image

applied ballistics bullet mach speed science accuracy bryan litz facebook

At Mach 3 (3355 FPS) this bullet now has a strong and well established shock wave forming at the tip, and at the base. Unlike the transition through Mach 1.0, nothing really interesting happens to the aerodynamics or shock waves meaning the aerodynamics and stability are: continuous, easy to predict, and model. As you go faster, the shockwaves make a shallower angle because the bullet is moving forward 3X faster than the shock wave is moving away from it. So the shock wave makes an angle that has a rise/run ratio of 1/3.

If a bullet flew within 10 feet of you traveling this fast, it would be about as loud as a 22 magnum. You’d certainly want hearing protection as the energy contained in a Mach 3 shock wave is high! How high…? Well, in 10 yards, this bullet slows from 3355 FPS to 3334 FPS in a time of 0.0090 seconds. The 55 ft-lb of kinetic energy lost during this 10 yards is due to aerodynamic drag on the bullet, which is comprised of wave, base, and skin friction drag components with the majority of the drag being due to shock wave formation. Expending 55 ft-lb of energy in 0.0090 seconds requires a power output of 6111 ft-lb/sec = 11.1 horsepower, most of which goes into creating the shock wave. Remember it’s a 3-D cone that travels great distance, and it gets its energy by stealing velocity from your bullet!

Mach 1.00 Bullet Flight Image

applied ballistics bullet mach speed science accuracy bryan litz facebook

Many shots were fired to capture an image of the transonic shockwave structure at exactly Mach 1.00. With the bullet now moving at the speed of sound, the local airflow on some parts of the bullet exceeds Mach 1.0. Anytime something is moving thru the air faster than the air can get out of the way, you get a compression wave, aka “shock wave”. That’s what’s visible in this image — the areas where the air density changes rapidly (in the compression wave) are visible as near vertical lines and a detached bow wave out front. As the bullet progresses through transonic speed, this shockwave structure develops which has strong effects on the drag (wind sensitivity) and stability of the bullet.

The exact development of the shockwaves and the resulting effects are unique and sensitive to the bullet geometry, and become very difficult to predict through the transition from subsonic (incompressible flow without shock waves) to supersonic (compressible flow with shock waves). Each bullet geometry does this differently which is why it’s difficult to determine transonic stability criteria for bullets of different shapes.

Mach 0.86 Bullet Flight Image

applied ballistics bullet mach speed science accuracy bryan litz facebook

Here’s a bullet at Mach 0.86 (86% the speed of sound, which is 962 FPS at 61° F). As you can see, this 0.86 Mach is not fast enough to make any discernable waves but you can see turbulence in the bullet wake (right side in photo). The beginning of small shock waves can be seen on the bullet tip, and at the bearing surface/boat tail juncture. For the most part, all of the airflow around this bullet is subsonic. You wouldn’t hear a supersonic ‘crack’ from this bullet flying past the observer.

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May 25th, 2024

Find Best Prices on Loaded Ammunition with AmmoSeek.com

Ammoseek search engine ammuntion reloading supplies

We are finally seeing prices drop on loaded ammo, and there are some notable inventories of ammunition right now at Midsouth, Palmetto State Armory, Powder Valley and Precision Reloading. We are even starting to see ample supplies of large-caliber hunting rifle ammunition — something hard to find a year ago.

Thankfully, if you shop around aggressively, you can now find many types of ammunition at reasonable prices. By using AmmoSeek.com you can instantly compare ammo prices from dozens of sellers. AmmoSeek monitors more than 180 online vendors — checking current pricing and available inventory, for pistol, rifle, and shotgun ammunition. Looking for .22 LR ammo for your rimfire trainer or .45 acp ammo for your 1911? Just select the cartridge type from the “Quick Seek” list on the right. Likewise you can find .223 Rem and .308 Win Rifle ammo with one click.

If you haven’t sourced ammo online before, note that, for nearly all jurisdictions, it IS legal to order ammunition online and have it delivered to you at home in most states. But check your state and local laws! California, for example, has prohibited direct ammo shipments to ordinary customers.

Ammoseek search engine ammunition reloading supplies skagit arms WA
Got Ammo? Here’s just part of the vast inventory at Skagit Arms in Washington State.

Use Ammoseek.com to Find Reloading Components Too

Ammoseek.com also lets you search for reloading components, including powder, primers, brass, and bullets. This is a huge time-saver. You can instantly check a dozen or more vendors to see if a particular type of powder is in stock. Likewise, you can quickly check for primer availability. If you have a big match coming up and are short on primers — this could solve the problem. To search for components, from the AmmoSeek home page, click the gray “Reloading” Tab (see below), then select Bullets, Brass, Primers, or Powder from the pull-down menu.

Ammoseek search engine ammunition reloading supplies
Ammoseek search engine ammunition reloading supplies

AmmoSeek.com FAQ Page

If you have questions about using AmmoSeek.com, visit the AmmoSeek FAQ Page. You’ll find details on how the search engine works. Here’s one FAQ:

How often does the AmmoSeek engine process its ammunition data?
Every minute or two! AmmoSeek is constantly updating ammunition data 24 hours a day, 7 days a week, automatically. Individual retailers are updated at least hourly, most most are updated much more often. Still, however, there’s always the possibility that items can go out of stock the moment after our site is updated, so it’s not always possible to be 100% accurate.

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May 24th, 2024

Shooting Factory Ammo? Find the True MV Speed in YOUR Rifle

muzzle velocity applied Ballistics MV chronograph

If you are planning to shoot a PRS match with factory ammo or use factory ammo when hunting, you should definitely check the ammo velocity in YOUR rifle. Otherwise your ballistics come-up tables could be all wrong. It’s not uncommon to find that the actual velocity in YOUR gun is NOT the same as the listed velocity on the ammunition package. We explain why in today’s article…

Why You CANNOT Rely on the MV Printed on the Ammo Box!
When figuring out your come-ups with a ballistics solver or drop chart it’s “mission critical” to have an accurate muzzle velocity (MV). When shooting factory ammo, it’s tempting to use the manufacturer-provided MV which may be printed on the package. That’s not such a great idea says Bryan Litz of Applied Ballistics. Don’t rely on the MV on the box, Bryan advises — you should take out your chrono and run your own velocity tests. There are a number of reasons why the MV values on ammo packaging may be inaccurate. Below is a discussion of factory ammo MV from the Applied Ballistics Facebook Page.

Five Reasons You Cannot Trust the Velocity on a Box of Ammo:

1. You have no idea about the rifle used for the MV test.

2. You have no idea what atmospheric conditions were during testing, and yes it matters a lot.

3. You have no idea of the SD for the factory ammo, and how the manufacturer derived the MV from that SD. (Marketing plays a role here).

4. You have no idea of the precision and quality of chronograph(s) used for velocity testing.

5. You have no idea if the manufacturer used the raw velocity, or back-calculated the MV. The BC used to back track that data is also unknown.

1. The factory test rifle and your rifle are not the same. Aside from having a different chamber, and possibly barrel length some other things are important too like the barrel twist rate, and how much wear was in the barrel. Was it just recently cleaned, has it ever been cleaned? You simply don’t know anything about the rifle used in testing.

2. Temperature and Humidity conditions may be quite different (than during testing). Temperature has a physical effect on powder, which changes how it burns. Couple this with the fact that different powders can vary in temp-stability quite a bit. You just don’t know what the conditions at the time of testing were. Also a lot of factory ammunition is loaded with powder that is meter friendly. Meter friendly can often times be ball powder, which is less temperature stable than stick powder often times.

3. The ammo’s Standard Deviation (SD) is unknown. You will often notice that while MV is often listed on ammo packages, Standard Deviation (normally) is not. It is not uncommon for factory ammunition to have an SD of 18 or higher. Sometimes as high as 40+. As such is the nature of metering powder. With marketing in mind, did they pick the high, low, or average end of the SD? We really don’t know. You won’t either until you test it for yourself. For hand-loaded ammo, to be considered around 10 fps or less. Having a high SD is often the nature of metered powder and factory loads. The image below is from Modern Advancements in Long Range Shooting: Volume II.

muzzle velocity applied Ballistics MV chronograph

4. You don’t know how MV was measured. What chronograph system did the manufacturer use, and how did they back track to a muzzle velocity? A chronograph does not measure true velocity at the muzzle; it simply measures velocity at the location it is sitting. So you need to back-calculate the distance from the chrono to the end of the barrel. This calculation requires a semi-accurate BC. So whose BC was used to back track to the muzzle or did the manufacturer even do that? Did they simply print the numbers displayed by the chronograph? What kind of chronograph setup did they use? We know from our Lab Testing that not all chronographs are created equal. Without knowing what chronograph was used, you have no idea the quality of the measurement.

5. The MV data may not be current. Does the manufacturer update that data for every lot? Or is it the same data from years ago? Some manufacturers rarely if ever re-test and update information. Some update it every lot (ABM Ammo is actually tested every single lot for 1% consistency). Without knowing this information, you could be using data for years ago.

CONCLUSION: Never use the printed MV off a box of ammo as anything more than a starting point, there are too many factors to account for. You must always either test for the MV with a chronograph, or use carefully obtained, live fire data. When you are using a Ballistic Solver such as the AB Apps or Devices integrated with AB, you need to know the MV to an accuracy down to 5 fps. The more reliable the MV number, the better your ballistics solutions.

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May 23rd, 2024

Cartridges of the World Book Covers 1500+ Cartridge Types

Cartridges of World Barnes 17th Edition

The 17th Edition of the Cartridges of the World was released in June, 2022, so it is still quite current. This massive 704-page reference contains illustrations and load data for over 1500 cartridge types. That makes it a unique, very valuable resource. If you shoot a wide variety of cartridges, or are a cartridge collector, this book is a “must-have” resource. The latest 17th Edition includes 30+ new cartridge types and 1500+ photos. The print version costs $30.97 at Amazon.com (with possible free shipping on orders over $35.00). Or you can get the print book from Amazon 3rd party sellers starting at $26.98 delivered plus $3.99 shipping. The Kindle eBook version costs $18.52.

CLICK HERE for a large FREE Content Sample from the Kindle eBook version.

Cartridges of World Barnes 15th EditionUpdated 17th Edition with Feature Articles
The 17th Edition of Cartridges of the World includes cartridge specs, plus tech articles on Cartridge identification, SAAMI guidelines, wildcatting, and new cartridge design trends. Cartridges of the World, the most complete cartridge reference guide in print, includes a full-color section with feature articles such Cartridges of the AR-15, Creedmoor Cartridge Family, .404 Jeffrey, .30 Carbine, plus “Cartridges and Cans” (suppressors).

View Free Book Sample Content
FREE STUFF for You: If you want to see what you are getting, there is a very large sample section of the 17th Edition available online with over 100 pages of content and dozens of photos and illustrations. To access all this FREE INFO, CLICK HERE, then click on the cover photo where it says “Look Inside” or “Read Sample”. It may take a few moments to fully load the sample pages.

NOTE: This is content from the 16th Edition, but most is the same in the 17th Edition.

Cartridges of World Barnes 15th Edition

Cartridges of World Barnes 15th Edition

Cartridges of the World 17th Ed. CHAPTERS:
Chapter 1: Current American Sporting Cartridges
Chapter 2: Obsolete American Rifle Cartridges
Chapter 3: Wildcat Cartridges
Chapter 4: Proprietary Cartridges
Chapter 5: Handgun Cartridges of the World
Chapter 6: Military Rifle Cartridges of the World
Chapter 7: British Sporting Rifle Cartridges
Chapter 8: European Sporting Rifle Cartridges
Chapter 9: American Rimfire Cartridges
Chapter 10: Shotgun Shells
Chapter 11: U.S. Military Ammunition
Chapter 12: Cartridge ID by Measurement
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May 17th, 2024

Hornady Bullet Tips with Drag Variability Reduction Technology

hornady bullet tip flat end drvt drag model

DRVT — DRAG VARIABILITY REDUCTION TECHNOLOGY
Using Doppler radar and Schlieren imagery, Hornady engineers have developed and patented Drag Variability Reduction Technology (DVRT) to increase the uniformity of bullet drag from shot to shot, resulting in less dispersion at long range.

While analyzing thousands of Doppler radar drag curves, Hornady’s ballisticians isolated a bullet tip design that would reduce the variation in drag from bullet to bullet. Specifically, the meplat must be flat – not pointed – and the diameter of the flat meplat is a specific ratio to the bullet diameter. Tests showed that a flat end of the bullet tip provided more consistent drag.

Introducing DVRT™ – Drag Variability Reduction Technology from Hornady Manufacturing.

Upon refinement of this design feature in late 2018, DVRT was implemented into all bullets using the Heat Shield Tip and the A-Tip Match bullet. While DVRT was patent pending, shooters quietly benefited from this design for several years. Now with the patent issued, Hornday has published the details of Drag Variability Reduction Technology on its website. And the hour-long Hornady Podcast embedded below explains how DVRT was developed from extensive field research with Doppler radar.

Bullets with Drag Variability Reduction Technology:

A-Tip® Match
ELD-X®
ELD Match®
ELD-VT™
CX

Ammunition Types with DVRT:

Precision Hunter®
Match®
Outfitter®
Superformance® (CX loads)
V-Match™
Hornady BLACK®

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May 13th, 2024

DEAL: Walther .22 LR P22 Target Pistol with FREE Federal Ammo

walther p22 pistol target free federal .22 LR rimfire ammunition punch ammo

We think all shooters should have a quality .22 LR rimfire pistol — something with a good trigger, ergonomic grip, and excellent accuracy out of the box. Right now, with the Walther P22 Target Model, you can get all those things for just $269.99 at CDNN Sports, a great deal.

Plus, if you order this pistol by June 30th, Walther will throw in 200 rounds of Federal .22 LR Punch ammo, which retails for $11/box of 50. This free ammunition deal is good for all Walther P22 .22 LR rimfire pistols. SEE FREE AMMO details.

So you save hundreds off the price of this nice pistol, plus get $44.00 worth of free ammo. That makes this one of the best rimfire handgun deals we’ve seen in a long time.

walther p22 pistol target free federal .22 LR rimfire ammunition punch ammo

The P22 is a very nice rimfire handgun with a 5″ barrel plus a forward ported compensator. The ergonomic grip boasts an interchangeable backstrap. Walther states: “Best-in-class ergonomics, supported by interchangeable backstraps, establishes the P22 as one of the most comfortable handguns available today.” Compared to most other rimfire pistols in this class, the trigger is very good right out of the box with a light, crisp pull. We also like the ambidextrous controls. A rare feature for a rimfire, the P22 is covered by the Walther Legendary Lifetime Limited Warranty.

walther p22 pistol target free federal .22 LR rimfire ammunition punch ammo

Video explains how to get 200 Rounds of Federal Punch .22 LR ammo when you purchase a new Walther P22 pistol or get 100 Rounds of Federal Punch .22 WMR ammo when you purchase a Walther WMP pistol during Walther’s Free Ammo Promotion running from May 1st through June 30th, 2024.

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May 11th, 2024

Creedmoor Sports 45 Days of Deals Ending Soon

Creedmoor 45 days deals discount sale

To celebrate its 45th year in business, Creedmoor Sports is running a big SALE — 45 Days of Deals. For the past month, Creedmoor Sports has marked its 45th Anniversary by discounting a wide variety of products including scopes, reloading presses, dies, shooting accessories, competition sights, shooting coats, hats, plus bullets and brass.

CLICK HERE to see all the current sale items. If you are looking for brass, many types of quality Peterson, ADG and Starline brass are on sale now. The 45 Days of Deals will conclude soon — so don’t hesitate if you see an item you want. NOTE: The Sale landing page only displays 12 items by default. You can speed your search by clicking the control to display 36 items per page. In total, 78 items are on sale.

Among our picks for the best deals are: 1) $119.95 Shooting Coat; 2) American Bullet Co. .308 Win Ammo; 3) Black Hills .223 Rem Ammo; and 4) Vertex Electronic Earplugs.


Featured Products from Creedmoor Sports 45 Days of Deals:

Creedmoor 45 days deals discount sale
Creedmoor 45 days deals discount saleCreedmoor 45 days deals discount sale

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