AR15 223 FLASH HIDER 3-PORT IZZY SLIP-ON BUSHMASTER
Featuring three gas ports and a ribbed design to improve cooling. Machined of 4140 gun steel with a manganese phosphate finish. Slip-on for barrels with plain crowned muzzles. Ports should be positioned 12-3-9 o'clock. The slip on muzzle brake requires drilling and installing a taper pin, and for extra safety, high strength Loctite should be used in addition to the taper pin (not included).