Sig Sauer

Sig Sauer CALXMCX16B556TAP MCX Virtus Caliber Exchange Kit 5.56x45mm NATO 16" Black Nitride Carbon Steel Barrel with Three Prong Flash Hider & Gas Block Assembly for AR-15

Mfg Item #: CALX-MCX-16B-556-TAP

The official conversion kit for your MCX Virtus. Convert your AR15 to the 16" 5.56 MCX Virtus. Complete with Virtus barrel and gas block assembly.