The Tiger Rock Inc. MBR25LONG-BBR+JN2 is an extraordinary addition to your AR-15 setup, delivering performance and style with its Extended Length 4" Zombie Slayer Muzzle Brake. Crafted from robust CNC machined 4150 steel and finished in striking Cerakote Burnt Bronze, this muzzle brake features an aggressive six-prong design, ensuring minimized recoil and enhanced shooting stability. Solid 4150 steel construction Cerakote Burnt Bronze finish Unique "Zombie Slayer" design with 8 ports Length: 4"; Width: 0.8"; Weight: 4.83 oz 1/2"x28 thread pitch Compatible with AR-15 platforms Elevate your shooting experience with this exceptional muzzle brake designed for optimum control and effectiveness.