Maximize your AR-15's performance with the Tiger Rock Inc. MBR25LONG-FDE+JN2 Extended Length 4" Zombie Slayer Muzzle Brake. Engineered for precision, this muzzle brake combines a striking design with superior functionality. Crafted from CNC machined 4150 steel, this 4" muzzle brake features an innovative "Zombie Slayer" design with eight gas-redirecting ports that significantly reduce recoil and muzzle rise, enhancing stability and accuracy during shooting. Solid 4150 steel construction Cerakote FDE finish for durability Innovative "Zombie Slayer" design with 8 gas ports 4" length, 0.8" width Lightweight at just 4.83 oz 1/2"x28 thread pitch, fits AR-15 Upgrade your shooting experience with the Tiger Rock Zombie Slayer Muzzle Brake today.