The Faxon Firearms URSSB556SSMB ARAK21 16 556 Compensator Upper Mb is an upper receiver. Built to the manufacturer’s specifications and sold by WBT Guns, a California FFL dealer since 2012.
Specifications
- Brand: Faxon Firearms
- Barrel Length: 16 in
- Manufacturer Part #: URSSB556SSMB
- UPC: 816341029415
