American Precision Arms Gen 4 Fat Bastard muzzle brake features tunable top ports for minimal recoil and zero vertical movement. 5/8x24 threads, 3.30" overall length, 1.10" diameter, 30 caliber.
The Gen 4 Fat Bastard represents a significant advancement in muzzle brake design, engineered specifically for shooters who demand flat-shooting performance and minimal vertical rise.
If you're serious about precision shooting or competitive rifle sports, controllable recoil directly translates to faster follow-up shots and tighter groups. The tunable design means you're not locked into one configuration—adjust the ports to match your rifle, ammunition, and shooting style.