This barrel assembly includes gas block, gas tube, compensator, a Z class mil-spec phosphate and is drop in ready for the MGI HYDRA® modular weapon system.The barrel is a 16-inch carbine .300 Blackout Heavy Barrel has a 1:8 twist and a 5/8 x 24 threaded muzzle.
We ship UPS/USPS Ground. All Shipping & Handling
charges are applied at checkout and will vary
based on weight and shipping destination.