Arsenal Muzzle Brake / Compensator With 24X1.5Mm Right Hand Threads For 7.62X39mm 5.56X45mm And 5.45X39mm Rifles KR-017US -

KR-017US New Style Muzzle Brake/Compensator with 24mmx1.5 right hand threads U.S. made by Arsenal Designed to reduce recoil and pull. Works with 7.62 5.56 and 5.45 calibers. The timing of the notch on this unit is for “Krink” type front sight blocks.