Sig Taper Cap - 5.56 1/2-28 Thread TAPER CAP for 5.56 NATO BARRELS with 1/2-28 THREAD. Sig Sauer Taper Cap adapter for 5.56 tapered shoulder barrels with 1/2x28 thread pattern(MPX/MCX). Converts the...
Sig Taper Cap - 7.62 5/8-24 Thread TAPER CAP for 7.62 NATO BARRELS with 5/8-24 THREAD. Sig Sauer Taper Cap adapter for 7.62 tapered shoulder barrels with 5/8-24 thread pattern (MCX). Converts the...