Quick view Details Sig Sauer Sig Sauer MCX Cal-X Kit, 5.56 NATO 11.5" Barrel, Tapered Lug MSRP: Now: $999.99 Add to Cart Quick view Sig Sauer Sig Sauer MCX Cal-X Kit, 5.56 NATO 11.5" Barrel, Tapered Lug Sig Sauer MCX Virtus Cal-X Kit, 5.56 NATO 11.5" Barrel, Tapered Lug. This official conversion kit allows you to convert your AR-15 to the 11.5" 5.56 NATO MCX Vitrus and comes complete with a matte... MSRP: Now: $999.99 Add to Cart Compare Selected
Quick view Sig Sauer Sig Sauer MCX Cal-X Kit, 5.56 NATO 11.5" Barrel, Tapered Lug Sig Sauer MCX Virtus Cal-X Kit, 5.56 NATO 11.5" Barrel, Tapered Lug. This official conversion kit allows you to convert your AR-15 to the 11.5" 5.56 NATO MCX Vitrus and comes complete with a matte... MSRP: Now: $999.99 Add to Cart Compare Selected
