The American Precision Arms Gen 3 APA Micro Bastard Muzzle Brake is a self timing muzzle brake and is meant for smaller barrels with a muzzle diameter of .600 - .750 inches.

The APA Gen 3 Muzzle Brake is well suited for smaller diameter barrels used by hunters and off-hand, run-and-gun competitors. This lightweight, tunable, self-timing brake features a new nut design and additional port. This new technology allows the shooter to combat recoil, muzzle rise, and lateral movement.

The new lock-nut design also helps with perfect muzzle placement, no carbon ring, no over-rotation, and a stronger lock-up.