KAK KAK Compensator 5.56 1/2x28 KAK Industry, Compensator, 556NATO, Fits 1/2x28, Phosphate Finish, Black 1/2X28 Thread Pitch 1.750" Overall Length Heat Treated Phosphate Coated Milled Flats Crush Washer Not Included MSRP: Was: Now: $14.95 Out of stock