Sig Sauer MCX Caliber Exchange Kit Convert your AR15 to the SIG SAUER MCX Virtus. Complete with Virtus barrel and gas block assembly. SIG SAUER offers upper assemblies and caliber exchange kits in various barrel lengths. All NFA rules apply to installation of these upper assemblies to lower receivers and caliber exchange kits to upper receivers. Upper assemblies and caliber exchange kits with barrel lengths less than 16 “may only be affixed to lower receivers which (1) are not recorded as a rifle lower by the manufacturer and do not have a stock attached to the lower receiver or (2) registered with the BATFE as a short barreled rifle (SBR). Sig Sauer MCX Caliber Exchange Kit Specifications: MODEL SIG MCX CALIBER 300 Blk 9-inch barrel .300
Barrel Length
9
Caliber
.300 AAC Blackout
Condition
New in Box
Finish Per Color
Black
Manufacturer Part Number
CALX-MCX-9B-300B
Model
MCX Exchange Kit
Type
Uppers
UPC
798681517435
Convert your AR15 to the SIG SAUER MCX Virtus. Complete with Virtus barrel and gas block assembly.
