UMP / USC Series
Choose from an expansive selection of HK UMP and USC parts, such as HK UMP Barrels and HK USC Stocks, crafted for those who value reliability and performance. Upgrade with HK USC Handguards and HK UMP Triggers, and experience the difference in quality and craftsmanship.
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On Sale
HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED
H&K Heckler & Koch
Now: $729.95Was: $949.95Heckler and Koch HK UMP40 Bolt Group - Semi-Auto - 40 S&W - USED ONLY 3 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Complete factory HK bolt group for semi-automatic UMP firearms chambered in .40 S&W. Intended for replacement,...HKP-99388Now: $729.95Was: $949.95 -
HK USC 45 Barrel - .45 ACP - Used
H&K Heckler & Koch
$695.95Barrel - HK USC 45 in Exc + shape HK German factory USC 45 barrel in excellent + condition. Rare and hard to find.HKP-20471$695.95 -
Out Of Stock
HK UMP, USC Kit - Caliber Conversion - 9mm - 30 Round
HKP HK Parts
$999.95HK Parts and Heckler and Koch HK UMP and HK USC 9mm Conversion Kit - Threaded Barrel 1/2x28 - 3-Lug This UMP, USC conversion kit will convert existing conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP...HKP-02285$999.95