KIDD Innovative Design AR-15 Steel Muzzle Brake .920in Turbo Bead Blasted Black. The purpose of a muzzle brake is to reduce the felt recoil of the rifle. It also adds more weight to the muzzle looks great and protects the muzzle Specifications for KIDD Innovative Design AR-15 Steel Muzzle Brake .920in Turbo Bead Blasted: Manufacturer: KIDD Innovative Design Color: Black Projectile Caliber: .22 Caliber Finish: Bead Blasted Threads per Inch: 1/2x28 Gun Make: AR Platform Gun Model: AR-15 Barrel Material: 416 Stainless Steel Inner Diameter: 0.92 in Length: 2 in Features of KIDD Innovative Design AR-15 Steel Muzzle Brake .920in Turbo Bead Blasted Reduces recoil Stabilizes muzzle Quick and easy installation Package Contents: KIDD Innovative Design AR-15 Steel Muzzle Brake .920in Turbo Bead Blasted What firearm models does the manufacturer say KIDD Innovative Design AR-15 Steel Muzzle Brake .920in Turbo Bead Blasted is compatible with? The manufacturer suggests that KIDD Innovative Design AR-15 Steel Muzzle Brake .920in Turbo Bead Blasted is compatible with AR-15KIDD Innovative Design 15MB-CM-TRBO-BB: AR-15 Steel Muzzle Brake .920in Turbo Bead Blasted Black