“8.6 Blackout” was developed by Q as the “Big Brother” to the 300 Blackout. Q teamed up with Faxon Firearms to make the barrels which are sparsely available today for AR-10 and the Remington 700 platforms.
8.6 BLK – what is it?
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.
What about the round itself?
It’s a low-pressure cartridge utilizing a shortened 6.5 Creedmoor case, for use of subsonic and high BC 338 projectiles. And no, you won’t need any special mags for this ammo – it will fit in a standard 308 mag. Ammo will be avaialble in 230-350 grain subsonicand 160-230 supersonic loadings.
Why do I want an 8.6 BLK gun?
When paired with a suppressor, these 300 grain bullets are as quiet as a .22. Plus, with the 1:3 twist, the bullet goes further and impacts harder than your traditional 1:7 twist bullet. The extra rotation is giving the bullet more spin, allowing it to travel further with more punch and expand at a lower velocity.