Griffin Armament Sig Tapered Shoulder Barrel Adapter 5/8"

This Griffin Armament Tapered Shoulder Barrel Adapter converts tapered SIG rifle barrels to traditional 90 degree shoulders, allowing the customer the ability to then mount whatever market muzzle device product they wish to their SIG firearm. Features Made of 17-4 stainless steelHeat Treated to H900 specifications1/2" is not compatible with 13.5x1 LH barrels