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 Magazine - 25 Round - LEO Marked - Used
H&K Heckler & Koch
$149.95German HK UMP .45 25 Round Magazine - Used Used PD trade-in factory 25 round magazines with HK factory-marked LEO markings. Condition of used parts will vary. All used parts are sold AS-IS. Compatible With: HK UMP .45 ACPHKP-17917$149.95 -
HK UMP, USC, G36, SL8 Notched Disk - S,F
$8.95HK Ratched Wheel, Notched Disk G36, SL8 0,1 (Safe & Fire) Only Compatible With: HK UMP HK USC HK G36 HK SL8 (0,1 or S,F only)HKP-19070$8.95 -
HK UMP, USC Bolt Catch Spring
H&K Heckler & Koch
$8.95HK UMP & USC Bolt Catch Spring Compatible With: HK UMP HK USCHKP-01900$8.95 -
HK UMP, USC Sling Pin, Stock Block B
HKP HK Parts
$49.95HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin The original thumb screw version for all stock block B's.HKP-21504$49.95 -
HK UMP, USC, G36, SL8 Index Plate
H&K Heckler & Koch
$9.95HK Index Plate For All UMP, USC, G36, & SL8 Lowers Compatible With: HK UMP HK USC HK G36 HK SL8HKP-01860$9.95 -
HK UMP Magazine - 30 Round - .40 S&W
H&K Heckler & Koch
$79.95HK Heckler and Koch German .40 S&W 30 Round Factory Magazine for HK UMP New factory fresh production HK magazine. Compatible With: HK UMP .40 HK USC-UMP conversions LWRC SMG.40HKP-00607$79.95 -
HK UMP 9mm 15 Round Magazine
HKP HK Parts
$49.95UMP 9mm 15 Round Factory Magazine - USA UMP 15 round magazine for the UMP. Each magazine features steel feed lips, and a full 15 round magazine capacity. A small compact magazine for specific operational requirements. Each magazine counts as 3 U.S. Made...HKP-17849$49.95 -
HK Firearm Cleaning and Tuning Kit
SchleTek
$69.95SchleTek Firearm Cleaning & Tuning Kit The SchleTek Firearm Cleaning & Tuning Kit is an all-in-one solution for maintaining peak performance and reliability in your firearms. Designed for both professionals and enthusiasts, this comprehensive kit...HKP-21732$69.95 -
On Sale
HK USC Stock Block to Picatinny Rail
HKP HK Parts
Now: $119.96Was: $149.95HKP HK USC Stock Block to Picatinny Rail The HKP USC stock block with picatinny rail offers superior adjustability for the stock of your choice. Each stock block is crafted from billet aluminum, cerakoted for a robust finish, and includes the sling pin...HKP-21594-MNow: $119.96Was: $149.95 -
HK USC, UMP Optic Rail - Receiver - Polymer
H&K Heckler & Koch
$116.95H&K HK USC, UMP German Polymer Receiver Optic Rail German HK USC, UMP polymer top Receiver Rail with mounting hardware. Includes: Factory HK rail 2 mounting screws Compatible With: HK German spec UMP USC upper receiversHKP-19616$116.95 -
HK UMP, USC M-LOK Attachment Piece
HKP HK Parts
$29.95HKP HK UMP/USC M-LOK Attachment Piece Upgrade your UMP and USC with the HK Parts M-Lok attachment piece, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails. This exceptional set significantly expands the range of...HKP-22249$29.95 -
Backup Sights - Picatinny
Strike Industries
$84.95Strike Industries 1913 Picatinny Backup Sights Features: Built-in backup sights when flipped down for quick target acquisition Low-profile and low snag design Toolless adjustments of windage and elevation Quick sliding dual aperture rear sight...HKP-21314$84.95