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
Raddlock Key - HK Series
Raddlock
Now: $4.95Was: $9.95HK Series Raddlock Key And Lanyard Raddlock kits convert your firearm to a non-detachable magazine configuration for states with removable magazine restrictions. This is a replacement key for firearms equipped with a Raddlock device. Compatible With the...HKP-02447Now: $4.95Was: $9.95 -
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...HKP-00588$1,829.95 -
Picatinny Optic Mount - 39mm - Skeleton Mount - Aimpoint ACRO
B&T Brugger & Thomet
$150.00B&T 39mm QD Skeleton Mount for Aimpoint ACRO The B&T QD "Skeleton" mount for Aimpoint® Acro offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR devices. Its...HKP-21730-M$150.00 -
T1 Optic Mount - Picatinny - Quick Release
AIM
$38.95AimSports - 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...HKP-19336$38.95 -
HK UMP Barrel - 9mm - Threaded with 3 Lug
Michaels Machines
$549.95HK UMP 9mm Barrel - Threaded - 3-Lug Specifications: 3Lug Threaded Compatible With: UMP 9mmHKP-02278$549.95 -
Out Of Stock
Surefire M900V LED Weapon Light with Vertical Grip - Used
Surefire
$199.95Picatinny Mounted VFG Weapon Light - White and IR Output A rugged, dual-output vertical foregrip light engineered for professional applications. This Vampire-series unit delivers powerful white-light illumination, infrared capability, and intuitive...HKP-99347$199.95 -
HK UMP Bolt Carrier Guide
H&K Heckler & Koch
$12.95HK German All Steel UMP Carrier Guide This is the steel piece the guides the UMP bolt carrier. Compatible With: All HK UMP lowersHKP-16500$12.95 -
Out Of Stock
MLOK LINK Rail Section - 7 Slots - QD
Strike Industries
$25.95Strike Industries M-LOK & Key Mod Universal Rail - 7 Slots Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and Key-Mod,...HKP-17594$25.95 -
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...HKP-21392$71.99 -
Out Of Stock
Picatinny Vertical Fixed Unigrip
B&T Brugger & Thomet
$119.00B&T Brugger and Thomet Vertical Fixed Unigrip for Swiss made B&T vertical forend grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material:...HKP-18043$119.00 -
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 enclosed design protects against rain, mud...HKP-21857-M$737.95 -
HK UMP 5 Prong Flash Hider - 5/8x24
HKP HK Parts
$67.95HKP HK UMP 5 Prong Flash Hider - 5/8x24 Compatible With: HK UMPHKP-21523$67.95