The quality of these brakes is on a par with the brakes we carry from our Canadian-made suppliers and this popular design looks and works great! Screws onto standard AR-15 / M4 / M16 ½" x 28 threaded barrels (with .223 / 5.56 bore). Includes crush washer and jam nut. CMC1-AS-BK223MB.
Part Number: CMC1-AS-BK223MB