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 Cable Gun Lock
H&K Heckler & Koch
$19.95HK Cable Gun Lock This is the same lock that ships with factory HK firearms.HKP-02442$19.95 -
Barrel Bore Cleaning Brush - 9mm / 10mm / .40 S&W
$13.95Universal Bore Cleaning Brush - 9mm/10mm/.40 S&W The HK combination brush was designed exclusively to clean the HK 9mm and 10mm fluted chamber and bore with one easy stroke. This brush has brass and stainless steel bristles.HKP-00917$13.95 -
On Sale
HK UMP Barrel - .45 ACP - 3 Lug Adapter
OMEGA
Now: $344.95Was: $449.95Omega HK UMP .45 ACP Barrel - 3-Lug This is the newest barrel for the UMP to hit the market that will come with a removable 3-lug adapter. The 3-lug adapter will be the same spec as the MP5 3 lug, making your UMP more versatile when it comes down to...HKP-21070Now: $344.95Was: $449.95 -
HK UMP, USC Factory Cleaning Kit - .45 ACP
HKP HK Parts / Heckler & Koch
$79.95Cleaning Kit For HK USC & UMP .45 ACP Subguns This Cleaning kit a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Includes: Saf-T-Clad cleaning rod Accessory adapter section #8-32 Patch holder Chamber face...HKP-01055$79.95 -
M-LOK Foregrip - Skeleton
JMAC Customs
$89.95JMAC Universal M-LOK Skeleton Forward Grip Can be used as a forward grip or a handstop! Features: Reversible and Lightweight M-LOK Compatible (Requires 2 slots) Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat...HKP-21240$89.95 -
HK UMP Extractor - 9mm
H&K Heckler & Koch
$60.95New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.HKP-00266$60.95 -
Magpul RSA - Rail Sling Attachment
Magpul
$29.95Magpul RSA - Rail Sling Attachment Attaches to Picatinny rails for an additional point of attachment for slings.HKP-02423$29.95 -
HK UMP, USC Rear Sight, Complete
H&K Heckler & Koch
$45.95HK Heckler and Koch Complete Rear Sight for USC and UMP Includes: Leaf spring Rear sight Compression spring for rear sight Windage adjustment screw Rear sight support Compatible With: USC UMPHKP-16634$45.95 -
QD and Sling Hook Sling Attachement
Strike Industries
$29.95Ambush QD Sling Loop The Strike Industries Ambush low profile sling loop is the lowest profile sling loop designed for the MIL-STD-1913 rail. Made of solid steel, its unique locking bar design system allows for it to be lightweight and durable. Because...HKP-17381$29.95 -
HK UMP, USC Stock Block B Thumb Screw
HDPS
$74.95HDPS HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin-Thumb Screw Style The original thumb screw version for all stock block B's.HKP-15731$74.95 -
HK G36, SL8, UMP, USC Hammer
GSG9
$124.95G36 & HK UMP Hammer For Lower Or Trigger Group- US Made These hammers are a direct fit on the USC and SL8 platform.HKP-19852$124.95 -
HK45 Thread Protector - 16x1 LH
HKP HK Parts
$19.95HKP .45 ACP Titanium Thread Protector - Threaded 16x1 LH This new style .45 ACP tactical thread protector fits all HK45 full-size and compact barrels with 16x1 LH threads. Essential for protecting your threaded barrels and exposed threads, it preserves...HKP-18004$19.95