The Tiger Rock Inc. MBR25LONG-RGB+JN2 AR-15/.223/5.56 Extended Length 4" Zombie Slayer Muzzle Brake enhances your firearm's performance with an aggressive design. This 4-inch muzzle brake, crafted from durable 4150 steel, not only captivates with its striking Cerakote Robins Egg finish but also features six sharp prongs and eight ports that minimize muzzle rise and recoil. Solid 4150 steel construction Cerakote Robins Egg 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 Upgrade your shooting experience with the Tiger Rock Muzzle Brake today.