The Hawkins Precision .687" 3 Port Round Radial Muzzle Brake is designed to reduce recoil and muzzle rise on .22-caliber centerfire rifles with 1/2-28 threaded barrels. Its three-port radial design vents gases evenly around the brake to improve control and shot-to-shot recovery while maintaining a compact, round profile. Intended for professional gunsmith installation to ensure proper timing and alignment, this precision-machined muzzle brake delivers durable performance and consistent recoil management for precision shooters and varmint hunters alike. Hawkins Precision .687" 3 Port Round 1/2-28 Gunsmith Install Muzzle Brake 103-0687.1