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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Out Of Stock
B&T Vertical Fixed Unigrip
B&T Brugger & Thomet
$119.00B&T Vertical Fixed Unigrip Swiss made B&T vertical for-end grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material: Polymer/alloy$119.00 -
B&T Angled Foregrip - Picatinny
B&T Brugger & Thomet
$71.99B&T Angled Foregrip - Coyote Tan - Picatinny Mount For those shooters who prefer an angled foregrip, this grip is the perfect solution. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto...$71.99 -
HK UMP Parts Kit - .40 S&W
H&K Heckler & Koch
$1,829.95HK German UMP .40 Cal Parts Kit - Used HK UMP .40 German parts kit complete with all the factory HK parts minus the receiver. Perfect for those who are doing a custom build or for spare parts. Click this link to complete your build with an S5 receiver...$1,829.95 -
T1 Optic Mount - Picatinny - Quick Release
AIM
$49.95AimSports - T1 Quick Release Mount - Absolute Co-Witness Features a machined recoil lug and steel hardware to prevent wear between mounting surfaces. Utilizing a quick release base, the generously sized lever is textured for easy operation under any...$49.95 -
On Sale
Key Mount Tool - Crows Foot Wrench for Dead Air Suppressors
Wasatch Arms
Now: $29.95Was: $54.95Wasatch Arms Key Mount Tool The Dead Air Crows Foot Wrench engages directly on the Key Mount brake allowing proper axial torque for quick and easy installation. Made in the USA and finished in black nitride.Now: $29.95Was: $54.95 -
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 an added bonus it now includes German HK...$749.95 -
HK UMP (.40 S&W & .45 ACP) 5 Prong Flash Hider
B&T Brugger & Thomet
$129.95B&T HK UMP (.40 S&W & .45 ACP) 5 Prong Flash Hider Each flash hider includes the proper quick detach system to take the flash hider on and off. Each flash hider features a 5 prong design. Specifications: Diameter Max 31 mm Length Max 73...$129.95 -
HK UMP, USC Stock Block C - 9mm / .40 S&W / .45 ACP
HDPS
$159.95HDPS HK UMP & USC Stock Block C Each unit comes with a new push-pin design. This is the part to use with the ACE hinge part number FSM-TB (push button folding stock) and non-folding push bottom (pig nose). This is just...$159.95 -
HK USC/SL8 (.45 ACP/5.56/.223) Hammer
H&K Heckler & Koch
$104.95H&K USC/SL8 (.45 ACP/5.56/.223) Hammer$104.95 -
HK UMP, USC Hammer Spring - Left
H&K Heckler & Koch
$13.95HK UMP & USC - Left Side Hammer Spring For All Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP models 45, .40, & 9mm. USC .45 and other conversion...$13.95 -
Out Of Stock
HK UMP45 Bolt Group
$369.95HK UMP .45 Tungsten Filled Semi Auto Bolt Group Complete. The semi auto bolt group is required for HK USC to HK UMP caliber conversions. Comes complete less the recoil assembly. Specifications: Tungsten filled Heat treated Parkerized$369.95 -
Picatinny Optic Mount - Holosun 510C, HM3X Combo
Holosun
$599.95Holosun 510C & HM3X Combo - Optic & Magnifier The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum housing...$599.95