Another name for the.300 AAC Blackout is 7.62 X 35mm. It is a cartridge that the Advanced Armament Corporation of the United States created for use in the M4 Carbine. The 7.62 X 39mm cartridge’s ballistics most closely resembled those of the .300 AAC Blackout round. Additionally, it is intended for cartridges with ballistics similar to the 7.92 X 33mm Kurz. 300 blackout rifles brass are now available for purchase at the top stores. Continue reading for more information on .300 Blackout.
There is a mystery surrounding the.300 BLK (AAC Blackout), overshadowing his ability to produce All-Star numbers in several different situations. Depending on your objectives, the effective range of 300 Blackouts might be somewhat broad. There is a load for every need, whether for supersonic rounds for maximum muzzle velocity or subsonic loads to quiet the boom by reducing the tempo. No matter what position you shoot from, the effectiveness of the .300 BLK depends on determining the optimal barrel length and load combination for that distance.
.300 Blackout Background
The.300 blackout rifles brass, as supplied by AAC, is a reincarnation of the previous J.D. Jones-designed “Whisper.” Cases may be made from shorter 5.56mm/.223 brass, but the Whisper was constructed by necking up a.221 Fireball.
After a US military agency ordered the creation of a.30-caliber round capable of functioning in an M4, Advanced Armament Corporation (AAC) began work on the cartridge in 2009. Remington Defense contributed to the project, which was difficult because it had to fit in regular AR-15 magazines.
What are the Factors of Use?
- Supersonic Shooters
This group is uninterested in suppressors (AKA silencers). The Blackout’s low report, soft recoil, and extra.30-caliber punch (compared to a 5.56/.223) is their crucial draw. With AR-15s, this bunch has it easy. The push is on to use appropriately constructed 16″ carbine – and shorter variants of suitable length.
- Subsonic Gunners
On the other hand, there is a contingent of silent shooters for whom this caliber offers unique advantages. However, bullets that are slow enough to prevent a supersonic crack are required for covert firing. AR reliability is a pressure-velocity balancing act. And after the sweet spot is found, there are a few wrinkles to iron out.
- Consider Barrel Details
My.300 Blackout adventure began with a 16″ upper receiver built with a manufacturer for research and development purposes. Before this build, I ordered the barrel from a third party, and to our astonishment, it worked flawlessly from the minute it left the workbench. This was over ten years ago when the.300 Blk was not widely used, and ammunition was rare.