AR-10 8.6 Blk 1:3 8″-PISTOL- SS –

Description 8.6Blk 1:3 Twist-Pistol- Gas-   MOS-Tek’s Sub-Moa Guarantee/w Halworx ballistics ammunition.   Match Grade   5R Rifling  416R- Stainless Steel  MED Profile-  Dimpled for Gas Block  Finish (Satin) Stainless Steel  5/8×24 Muzzle Thread