HK PARTS AND ACCESSORIES FOR SALE
US Made Magazine Compliance Kit - UMP .45 - $19.95
HKParts.net
Sear For USC, UMP & SL8, G36 Conversions - USA - $49.95
HK PARTS
Flanged Barrel - 8" - US - UMP, USC 45 - $289.95
HDPS
Trigger - HDPS US Made - HK UMP, USC, G36, SL8 - $134.95
HDPS
Barrel 9mm - Standard - HK UMP - $499.95...