Later, I wondered if it was possible to do something with supersonic handloads that would change the game. We have to pick a number, though, so lets run with the Hornady Sub-X Subsonic 190-grain bullets, which have a ballistics coefficient of 0.437which is probably close to the average for subsonic 300 Blackout bullets. Its more powerful than 5.56 ammo when shooting subsonic (quiet) bullets. Jones of SSK Industries in the 1990s as part of his Whisper series of cartridges based on the 221 Fireball. The Best .300 Blackout Guns - American Firearms . . . The barrel is chambered in 300 AAC Blackout with a 1 in 8" twist. 4500$, Caliber: Thats less than half the energy of a standard 9mm bullet fired from a Glock 17. Solution for 300 AAC Blackout jamming! I loaded an additional 10 rounds using the original data and fired them through a CVA Scout with a 16-inch barrel. Lets consider the Blackout with 150-grain bullets at 2,100 fps. Like the same mid-length gas that's on a 5.56/223 rifle? The 5.56 bullet disintegrated after penetrating only a few boards, whereas the 300 Blackout stayed intact as it sliced through every single board in this test. For a better experience, please enable JavaScript in your browser before proceeding. I tried 3 different mags, Pmag, Victory and GI, and it had the same problem. Bullets with more drop arent inherently less accurate, per se, but the more a bullet drops, the more skill is required to adjust for this so that the bullet hits where intended. Having a high muzzle energy is nice, but it wont matter if the bullet loses most of this energy before it hits your target. Second, theres the fact that this bullet causes a lot more damage than a hollow point 5.56. The cartridge simply cannot push them fast enough to ensure expansion. That means if you aim at someones chest at that range, the bullet is most likely going to slump into the ground at their toes. August 17, 2016 After a hard weekend at the range running some difficult drills with an 18 pound 300 []. A 300 Blackout bullet fired from a 10.5-inch barrel has almost the same muzzle energy as a 5.56 bullet fired from a 16-inch barrel. PRESCRIPTION 6Bullet: 150-grain Nosler Ballistic TipPowder/Charge: Hodgdon Lil'Gun/17.0 grainsPrimer: Federal Small RifleCartridge Overall Length: 2.18 inchesMuzzle Velocity: 2,058 fps. Back in 2012, I reviewed the 300 BLK in a 16 AAC upper with Remington super sonic and subsonic loads, a link to the post can be found here. By utilizing a fast twist to stabilize the long heavy subsonic bullets, I suspect accuracy suffers on the lighter loads. Why Your .300 BLK Won't Work - The Armory Life The 300 BLK has such a small case you are effectively loading pistol powder into a rifle cartridge. Than 5.56 Ammo, 300 Blackout Ammo Can Be Used in AR-15s with Minimal Modification. Although the cases are similar, the 300 Blackout case is shorter, which reduces the amount of gunpowder that can fit in the case by about 25% versus the 5.56. There are many different kinds of pistols out there, and whats right for one person might not be right for you. To meet these requirements, they looked to a similar cartridge called the .300 Whisper, which was created by noted firearms cartridge designer J.D. I am using Lil'gun powder. Years later, I headed out the range with a custom Remington Model 7 chambered in 300 BLK. Keep your gear handy when it's not on your belt. All content Copyright 1998-2018 Rifleshooter.com, FTC disclosure: some links on this site are monetized, Removing stripped and sheared screws from a rifle, Project Guns- Gunsmithing articles and posts. Using a Magpul magazine again as our example, they deploy a distinct rib design and smoother upper-half texture this provides the shooter a distinct visual and tactile difference from any other PMAG to mitigate dangerous cross-loading issues.. Heavy, slow moving subsonic bullets experience more bullet drop than fast, more aerodynamic bullets. The leader in the shooting industry for modern sporting rifle magazines is Magpul, and their .300 BLK magazines have an optimized internal geometry that accommodates a wide variety of .300 BLK cartridges. In laymans terms, that is exactly what we are looking for a magazine made for the varying bullet types, grain weights and shapes that come with the .300 BLK cartridge. To learn more about the 7,62x40WT click here. That person was Bill Wilson of Wilson Combat with his 7.62x40WT. Even with vertical stringing apparenta result of the supersonic/subsonic velocity mixthe 190-grain VLD load was more accurate than any of the subsonic factory loads I tested. In the case of 300 Blackout, you either . The best way to understand bullet drop is to visualize it, which is easy if you use a ballistics calculator. This is where a dedicated .300 BLK magazine can be tremendously useful. Blackout ammo is loaded with a surprising variety of bullets from 78-grains to 220-grains with 110-grains quite popular at 2,300 fps to 2,400 fps. Theres only one problem with that cartridge for home defense, though: its subsonic. A big part of the attraction to having .300 Blackout is to put a silencer on it and feel super operator pew-pewing subsonic ammo. 300 Black Out Pistol Cycling Problem Fixed - YouTube
