Say goodbye to complicated muzzle brake installations with the APA Gen 2 Little Bastard Brake in Black Nitride. Featuring a revolutionary separate nut design this brake easily installs in just 30 seconds with no need for crush or peel washers. Precision-machined from high-grade stainless steel it's designed to fit barrels measuring .750 - 1.0 inches in diameter at the muzzle. With a durable nitride finish and a 5/8"-24 tpi thread pattern this is the ultimate performance upgrade for your .30 cal rifle.