Unique-ARs Rook Brake for 5.56mm .223 1/2 x 28 Black Oxide 2.6

Unique-ARs Rook Brake for 5.56mm .223 1/2 x 28 Black Oxide 2.6. 56/.223 Unique-ARs Rook Brake is made of 4140 Steel and has a Black Oxide finish for a long service life. Weight 4.2 oz Length 2.6in 0.942in widest diameter. Thread pitch 1/2in x 28 tpi. Specifications for Unique-ARs Rook Brake for 5.56mm .223: Manufacturer: Unique-ARs Color: Black Oxide Caliber: .223 Remington Threads per Inch: 1/2x28 Length: 2.6 in Weight: 0.28 lb Diameter: 0.942 in Package Contents: Unique-ARs Rook Brake for 5.56mm .223 Crusher Washer The ROOK muzzle brakes unique design allows for 60percent less recoil than a traditional A2 birdcage. The innovative asymmetric side ports allow expanding gas to work against recoil. The upper ports reduce muzzle flip and by being located off-center do not obscure the shooters line of sight. No ports on the bottom of the ROOK brake reduces dust when shooting prone. The ROOK is available in both by 28 and ? by 24. Both are made of 4140 steel and have a black oxide finish for a long service life. Included Accessories: None