The Breek Arms BRK4430 Ultra-Compact Muzzle Brake redefines precision performance for 223/5.56 calibers. Its innovative design features a single-port configuration tailored for the Plan B mounting system, ensuring minimal recoil and reduced muzzle rise.Engineered with 90-degree horizontal blast-vectoring ports, this muzzle brake keeps your rifle stable, enhancing your shooting experience and facilitating seamless suppressor transitions.Weight: 2.3ozOverall Length: 1.75"Material: 4140 Hardened Steel, Nitride1/2X28 Thread PitchCaliber: 223/5.56Suppressor Mount: Plan B / AtlasTorque Spec: 20-30 ft lbsPeel Washer IncludedDesigned & Manufactured in AmericaRequires a 13/16" wrench to installOptimize your shooting with the Breek Arms BRK4430 Muzzle Brake and achieve unparalleled control.