American Precision Arms G2F5838S Gen 2 Fat Bastard Self Timing Brake Stainless Steel With 5/8"-24 Tpi Threads, 3.30" OAL & 1.115" Diameter For 338 Cal Rifle

The Gen 2 Series of brakes features a nut that is a separate piece that allows you to install the brake at home. Installations take about 30 seconds and have no hideous crush washers or peel washers to deal with. It is precision machined out of high-grade stainless steel. This brake is meant for Larger barrels that are generally required by the 338 Lapua etc.