This is the Strike Industries WarPath Compensator for AR15, M16, and M4 rifles chambered in .223/5.56mm. The Warpath Comp is a five port design with two ports on the left/right sides and an oval 12 o'clock port to help the user command control muzzle rise when shooting. For a muzzle device that is only 2.06" in length and 2.5oz. It's an impressive comp that clearly punches above its weight class.Users will love and appreciate the Warpath's shooting experience as it makes for very flat and manageable shooting thanks to its efficient and unique design. On the bottom side of the Warpath there is a pin a weld hole which helps builders meet the required 16" length when paired with a 14.5" barrel. FeaturesAggressive, efficient, and unique compensator design.5 port design to command muzzle rise.Pin and weld hole.