AR-15 BOLT GUN 300 Blk 1:5, 11.3″, 5/8×24 Muzzle

Description 300 BLK AR-15 BOLT GUN   MOS-Tek’s Sub-Moa Guarantee/w Halworx ballistics ammunition.   Match Grade   5R Rifling  416R- Stainless Steel  Profile – .750 Taperless   NO Gas Block Journal  Finish (SATIN BLASTED) Stainless Steel  5/8×24 Muzzle Thread