What is 8.6 blackout compared to?

The 8.6 Blackout is often compared to the .300 Blackout in terms of design, but the 8.6 BLK is built for the AR-10 platform and uses a .338 caliber projectile. Often referred to as the "big brother," the 8.6 BLK excels in short, lightweight rifles that are easy to handle in the field similar to its .300 Blackout counterpart.