ABC RIFLE COMPANY AR-15 Hexagon Style Recoil Compensating Muzzle Brake .223 Remington/5.56x45mm NATO 1/2x28 Black. Its multi-port design disperses gas laterally for enhanced control and faster follow-up shots. Threaded in the standard 1/2x28in pitch it's compatible with AR-15 platforms chambered in 5.56 NATO or .223 Remington. The unique hexagonal shape adds a distinctive look while delivering reliable performance. Ideal for tactical range or competition use this brake ensures stable shooting and improved accuracy. Specifications for ABC RIFLE COMPANY AR-15 Hexagon Style Recoil Compensating Muzzle Brake: Manufacturer: ABC RIFLE COMPANY Color: Black Caliber: 5.56x45mm NATO .223 Remington Finish: Nitride Fabric/Material: 4140 Steel Threads per Inch: 1/2x28 Gun Make: AR Platform Gun Model: AR-15 Outer Diameter: 0.75 in Length: 2 in Weight: 2 oz Gun Type: Rifle Package Contents: ABC RIFLE COMPANY AR-15 Hexagon Style Recoil Compensating Muzzle Brake What firearm models does the manufacturer say ABC RIFLE COMPANY AR-15 Hexagon Style Recoil Compensating Muzzle Brake is compatible with? The manufacturer says that ABC RIFLE COMPANY AR-15 Hexagon Style Recoil Compensating Muzzle Brake is compatible with AR-15ABC RIFLE COMPANY MB15-HX: AR-15 Hexagon Style Recoil Compensating Muzzle Brake .223 Remington/5.56x45mm NATO 1/2x28 Black