Unique-ARs Rook Brake for .30 Caliber. 5/8 x 24 Black Oxide 2.6

Unique-ARs Rook Brake for .30 Caliber. 5/8 x 24 Black Oxide 2.6. Rook Brake is made of 4140 Steel and has a Black Oxide finish for long service life. Weight 4.2 oz Length 2.6in 0.942in widest diameter. Thread pitch 5/8in x 24 tpi. Specifications for Unique-ARs Rook Brake for .30 Cal.: Manufacturer: Unique-ARs Color: Black Oxide Projectile Caliber: .30 Caliber Threads per Inch: 5/8x24 Length: 2.6 in Weight: 0.28 lb Condition: New Diameter: 0.942 in Package Contents: Unique-ARs Rook Brake for .30 Cal. 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