YHM Slant Brake/Compensator, Muzzle Brake, 30 Caliber, Black, 5/8X24, AR YHM-3085-MB-A Available to order on-line. Ships in 5-14 days $77.70
YHM QD Muzzle Brake, 30 Caliber, 5/8X24, Black Finish YHM-4302-MB-24A Available to order on-line. Ships in 5-14 days $99.75