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.
PRIMARY DESCRIPTION
SIG CALXMCX9B300TAP MCX CALX KIT 300 9 BLK
SPECIFICATIONS
Condition :
New
Barcode / UPC :
798681579570
On-sale :
No