Sig Sauer CALXMCX9B300TAP MCX Caliber Exchange Kit 300 Blackout 9" Black Nitride Carbon Steel Barrel with Three Prong Flash Hider & Gas Block Assembly for AR-15, Fits MCX Virtus
The official conversion kit for your MCX Virtus. Convert your AR15 to the 9" 300 Blackout MCX Virtus. Complete with Virtus barrel and gas block assembly.
