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The 8.6 Blackout is designed for barrels using a 76 mm or 102 mm (1:3 in or 1:4 in) twist rate and bullet weights between 10.4–14.6 g (160–225 gr) for supersonic loads and 18.5–22.7 g (285–350 gr) for subsonic loads.
8.6 BLACKOUT. USING A 338 PROJECTILE, MODIFIED CREEDMOOR BRASS, AND A 308 BOLT FACE, 8.6 BLK PACKS A PUNCH IN BOTH SUBSONIC AND SUPERSONIC ROUNDS, EVEN OUT OF SHORT BARREL PROFILES, THANKS TO THE SUPER-FAST 1:3 TWIST.
The 8.6 Blackout goes by many names; 8.6 BLK, 8.6×43, and even 8.6 Creedmoor. It was created by Kevin Brittingham’s crew at Q, Discreet Ballistics, and Hornady. It was optimized to be used subsonic in semi-auto short-barreled rifles and pistols.
Feb 13, 2023 · Pros and Cons of 8.6 Blackout. Designed for very short barrels (8″ or 12″) Works in AR-10 rifles. Availability of supersonic ammo or dead-silent subsonic ammo. Dramatic terminal performance due to the 500,000 RPM spin rate of the bullet which acts like a blender. Excellent accuracy in subsonic ammunition because of the very fast twist rate.
May 3, 2024 · The 8.6 Blackout delivers more energy and stopping power at short ranges compared to many calibers used in similar-sized firearms. This makes it an excellent choice for those needing a powerful yet compact solution. Compatibility with Existing Platforms.
Apr 17, 2024 · The engineering minds behind the .300 Blackout have created a more powerful cartridge called the 8.6 Blackout (BLK). This cartridge was created by Kevin Brittingham and his team at Q. The 8.6 applies the .300 BLK’s design principles to the larger and further reaching AR-10 platform.
Aug 21, 2023 · The 8.6 Blackout is widely spoken of as the big brother to 300 Blackout and is referred to as 8.6 BLK, 8.6x43, and 8.6 Creedmoor. Here’s what you need to know.
Feb 21, 2023 · With a new twist on an old idea, 8.6 Blackout is a .338 caliber round designed for short barrels and suppressors. Able to deliver a ton of energy on target, but with the ballistics of a rainbow, does the hype match the promise?
Jan 28, 2022 · The 8.6 Blackout is widely spoken of as the “big brother” of 300 Blackout. The new caliber, developed by Q, completely re-imagines energy on target by using a faster twist rate – 1:3, compared to the popular twist rates of 1:7 and 1:8 for calibers like 5.56 NATO and 300 BLK.
Dec 3, 2022 · The 8.6 Blackout is different. It’s meant for medium-range applications and light, short rifles. It has promising results from Brittingham’s testing, but only time will tell if it can gain enough traction to truly take on the .300 Blackout.
