Sig Sauer 223/5.56 1/2x28 Taper Cap - Sig Taper to 90 Degree Shoulder

Adapts the standard Sig Sauer tapered shoulder to a 90 degree shoulder. Sights and Optics. Thread Protectors. Kaw Valley Precision Slim XL Pistol Caliber Linear Comp - Black - 1/2x28 TPI 9mm. Kaw Valley Precision 3 Lug Barrel Adapter - 1/2x28.