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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HK UMP, USC Front Sight - Omega
OMEGA
$9.95Omega UMP And USC Front Sight Front sight for HK UMP and HK USC Compatible With: UMP USCHKP-22513$9.95 -
WOOX M-LOK Rail Covers - Checkered - GEN2
WOOX
$38.95 - $48.95WOOX Checkered GEN2 HK Rifle, SMG M-LOK Rail Covers The checkered GEN2 M-LOK rail covers upgrade any M-LOK or KeyMod handguard with a warmer feel, more traction, and added heat protection. The...HKP-22463-M$38.95 - $48.95 -
Rail Panel Cover - M-LOK - 3 Slot
JMK
$18.95 - $23.95JMK Rail Panel Cover - M-LOK - 3 Slot JMK M-LOK rail panels are compatible with platforms featuring M-LOK slots. These modular panels are suited for numerous applications. Each panel is sold...HKP-22403-M$18.95 - $23.95 -
HK USC to UMP Conversion ACR Stock Block
$139.95HK USC To ACR Stock Adapter A new product that allows you to add the widely popular Remington ACR folding, adjustable stock to your USC-UMP conversion. This offering is for the stock block and...HKP-17357$139.95 -
HK UMP, USC Hammer Spring - Left
H&K Heckler & Koch
$13.95Heckler and Koch Left Side Hammer Spring for All HK UMP and HK USC Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm.HKP-01898$13.95 -
WOOX Edge Stock - Walnut - Picatinny Mount
WOOX
$228.95 - $298.95WOOX Edge Stock - Walnut The WOOX Edge Stock is a premium upgrade for rifles and SMGs featuring a 3 Picatinny stock interface. It blends a precision-machined aluminum body with an American walnut...HKP-22460-M$228.95 - $298.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2
B&T Brugger & Thomet
$737.95B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm The Aimpoint Acro P-2, paired with the B&T Skeleton Mount (39mm), takes the ACRO reflex sight to new heights in durability and reliability. It's fully...HKP-21857-M$737.95 -
HK UMP Flash Hider - 5 Prong - .40 S&W, .45 ACP
B&T Brugger & Thomet
$129.95B&T Brugger and Thomet 5 Prong Flash Hider .40 S&W and .45 ACP for HK UMP Each flash hider includes the proper quick detach system to take the flash hider on and off. Each flash hider features a 5...HKP-16891$129.95 -
Out Of Stock
Picatinny Optic Mount - 52mm - Skeleton - Aimpoint ACRO
B&T Brugger & Thomet
$148.95B&T 52mm QD Skeleton Mount for Aimpoint ACRO The B&T QD Skeleton Mount for the Aimpoint ACRO offers a 52mm elevated profile for improved sight alignment. It is ideal for night vision setups that...HKP-21860$148.95 -
Out Of Stock
HK UMP .45 Semi-Auto Bolt Group - Complete
Michaels Machines
$749.95Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete MM’s UMP Tungsten filled UMP .45 bolt carrier complete. Heat treated, parkarized and polished for the best look and function possible, as...HKP-20627$749.95 -
HK UMP .40 Semi-Auto Bolt Group - Complete
Michaels Machines
$649.95Michaels Machines HK UMP .40 Semi-Auto Bolt Group - Complete MM’s UMP tungsten filled UMP .40 bolt carrier. Heat treated, parkarized and polished for the best look and function possible, as an added...HKP-20626$649.95 -
HK UMP .45 Conversion Kit
$1,099.95H&K HK UMP .45 Conversion Kit This kit optimizes the UMP platform by allowing the user swap between calibers in approximately 5 minutes. The Michael's machine semi-auto bolt pairs perfectly with the...HKP-20623$1,099.95