The Gen 4 Micro Bastard in the 6.5mm stainless steel variant is a precision-engineered muzzle brake optimized for rifles chambered in 6.5-caliber cartridges using a 1/2×28 threaded muzzle. Its stainless steel build ensures durability and corrosion resistance, while the self-timing design simplifies installation and ensures proper port alignment. Featuring APA's refined Bastard-port geometry coupled with the Gen 4's tunable top-ports, this brake offers exceptional recoil mitigation and minimal muzzle rise in a compact form that fits sporter-weight barrels without excessive bulk. Ideal for hunters or precision shooters seeking performance in a lightweight, streamlined package. American Precision Arms Gen 4 Micro Bastard 1/2x28 6.5mm Stainless Self Timing Muzzle Brake G4M1265S