Description HK UMP 45 - Semi Auto Bolt Carrier Complete Includes Firing pin Retaining Pin Marked .45 Auto just like the OEM carrierThe semi auto bolt group is required for HK USC to HK UMP caliber conversions.
SOLD OUT Quick view Michaels Machines • SKU: HKP-02283 MM HK UMP/USC (9mm) Semi Auto Bolt Carrier Now: $699.95 Was: MSRP: Out Of Stock
Quick view Michaels Machines • SKU: HKP-20627 Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete Now: $749.95 Was: MSRP: Add to Cart
SOLD OUT Quick view Michaels Machines • SKU: HKP-19871 Michaels Machines HK USC/UMP 9mm Semi Auto Bolt Carrier - Incomplete Now: $499.95 Was: MSRP: Out Of Stock