PLAN B 9MM 1/2X28 TPI

Ultra-compact single-port design for the Plan B mounting system. The Breek Arms Plan B Echo Single-Port Muzzle Brake significantly reduces recoil and muzzle rise through 90 degree horizontal blast-vectoring ports -keeping your rifle flat, fast, and ready for seamless suppressor swaps. Features : - Weight: 2.0 oz - "Overall Length: 1.75";"Material: 4140 Hardened Steel, Nitride" - Thread Pitch: 1/2X28 - Caliber: 9MM - Suppressor Mount: Plan B / Atlas - Torque Spec: 20-30 ft lbs - Peel Washer Included - Designed & Manufactured in America - "Requires a 13/16" wrench to install"