Sig Sauer MCX Caliber Exchange Kit - 9" .300 Blackout
Availability: Out of stock
Convert your 5.56mm or longer barrel .300 Blackout MCX to 9" .300 Blackout with this easy to install conversion kit!
Note: ALL NFA RULES APPLY! This is legal to install on an MCX Pistol, but not legal to install on an MCX rifle unless it is registered as an SBR on the NFA Registry.
|Barrel Length (in)||9.0 in|
|Accessory Rail||Not Applicable|