The Tiger Rock Inc. MBR38N AR-10/LR-308 Compact Muzzle Brake enhances shooting precision and control. Engineered from durable CNC machined 4150 steel with a sleek Black Oxide finish, this muzzle brake effectively reduces muzzle rise and recoil. Its compact design, measuring 2.3125 inches, is compatible with a 5/8"x24 thread pitch, making it an ideal choice for AR-10 enthusiasts seeking superior performance. Solid 4150 steel construction Black Oxide finish TPI Competition design with 9 ports Length: 2.3125" 5/8"x24 thread pitch Fits: AR-10 You can trust this USA-made muzzle brake for a stylish, reliable upgrade.