HK 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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Magpul M-Lok Tape Switch - Surefire ST
Magpul
$14.95Magpul M-Lok Tape Switch - Surefire ST The M-LOK tape switch mounting plate is designed to attach surefire ST pressure pads on M-LOK compatible systems. It is molded of the same high quality polymer as other Magpul products, combining light weight with...HKP-21480$14.95 -
Michaels Machines USC to UMP Stock Block B w/Thumbscrew
Michaels Machines
$249.95Michaels Machines USC to UMP Stock Block B w/Thumbscrew For use with all HK UMP factory or US made folding stocks. Each unit comes with a thumbscrew on one end and a slotted section on the other end. This is a required part for the HK USC-UMP...HKP-20722$249.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Factory German Sling
H&K Heckler & Koch
$79.95HK USC & UMP Factory German Tactical Sling -BlackHKP-00613$79.95 -
H&K USC/SL8 (.45 ACP/5.56/.223) Rear Sight Spring
H&K Heckler & Koch
$9.95H&K USC/SL8 (.45 ACP/5.56/.223) Rear Sight SpringHKP-16516$9.95 -
HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug
HKP HK Parts
$299.95HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug HKP UMP 3-lug 1/2x28 threaded barrel. This is the perfect replacement for a worn out barrel or as a spare. With the 3-lug attachment point you can attach any suppressor or flash hider that is in-spec or you...HKP-18639$299.95 -
H&K UMP (.40 S&W/.45 ACP/9mm) Release Lever Spring
H&K Heckler & Koch
$9.95HK UMP Release Lever Spring For All UMP LowersHKP-01891$9.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) 3 Position Navy Full Lower (0,1,3)
H&K Heckler & Koch
$1,249.95HK UMP 3 Position Navy Lower New German Heckler & Koch UMP 3 position (0, 1, full) Navy lower. Each lower comes complete with all the factory internals. These lowers are ideal for the USC to UMP conversion and to keep as a spare. Each lower is...HKP-00592$1,249.95 -
HDPS HK UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Trigger
HDPS
$139.95HDPS US-Made Steel Trigger - USC & SL8 HDPS US-made triggers are ideal for meeting US 922r compliance as this counts as one of the needed parts when converting the HK USC to HK semi-auto UMP and the HK SL8 to semi-auto G36. Compatible...HKP-02134$139.95 -
HKP Single Point Sling - ACU Digital Camo
HKP HK Parts
$29.95HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...HKP-15041$29.95 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate
H&K Heckler & Koch
$24.95H&K UMP (.40 S&W/.45 ACP/9mm) Lower Backplate HK German Backplate for all UMP lowers. You will need to add your existing buffer or order one to make a complete buffer assembly.HKP-16473$24.95 -
USA HK UMP Left Hammer Spring
USA
$9.95USA HK UMP Left Hammer Spring New U.S hammer spring- left side 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...HKP-20840$9.95 -
Top Rail - HK USC / UMP
Tommy Built
$119.95Top Rail - HK USC / UMP A TommyBuilt designed black, anodized aluminum, high rise top rail for your TMP, USC or UMP. Includes: Mounting screws (2)HKP-20744$119.95 -
HKP UMP/USC Extended Handguard
HKP HK Parts
$249.95HKP UMP/USC Extended Handguard - Black Cerakote The HK Parts UMP extended handguard is the ultimate choice for your UMP or USC. M-LOK attachment points and a robust picatinny rail on the extended section provide accessory mounting points for any loud-out...HKP-21679$249.95 -
Omega HK UMP Cocking Handle Assembly
OMEGA
$34.95Omega USC/UMP Cocking Handle Assembly Omega UMP cocking handle assembly is a great complete replacement for broken or worn out cocking handle assemblies. Everything you need for a complete replacement. US made by Omega. UMP cocking handle assembly...HKP-21271$34.95 -
Out Of Stock
Solar Tactical HK UMP Kydex Grip Wrap - Black
Solar Tactical
$89.95Solar Tactical HK UMP Kydex Grip Wrap - Black Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap-around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10rds. Preban hi-capacity...HKP-19142$89.95 -
H&K HK UMP/USC Rear Sight Support Roll Pin
H&K Heckler & Koch
$9.95HK UMP & USC Rear Sight Support Roll Pin This is the axle pin that holds the rear sight assembly to the rear sight housing of the receiver on the USC or UMP firearm.HKP-02155$9.95 -
Out Of Stock
H&K HK XM8 Sling - Black
H&K Heckler & Koch
$99.95H&K HK XM8 Sling - Black New HK German XM8 Tactical Sling. The real deal and a rare HK collectible. Only a few available.HKP-17669$99.95 -
Out Of Stock
Solar Tactical HK USC (.45 ACP) Kydex Grip Wrap
Solar Tactical
$79.95Kydex Grip Wrap - Ambidextrous - HK USC Featureless Kydex grip wrap for use with detachable magazines. Prevents a wrap around style pistol grip. Allows the use of the factory magazine release and detachable magazines over 10 rounds. Preban hi-capacity...HKP-18890$79.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight Complete
H&K Heckler & Koch
$45.95HK USC and UMP Rear Sight Complete Compatible With: USC. 45 UMP 9mm UMP .40 UMP .45HKP-16634$45.95 -
HK UMP .45 ACP Magazine Follower
USA
$9.95HK UMP .45 Magazine Follower - USA New UMP .45 magazine follower for all HK UMP .45 magazines. Compatible With: UMP 45 magazines both US or GermanHKP-20177$9.95 -
HKP 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 -
HKP HK UMP, USC Lower Bolt Catch
HKP HK Parts
$22.95HK UMP & USC Bolt Catch For Last Round Hold Open New HK USA lower bolt catch. Compatible With: HK UMP HK USCHKP-19565$22.95 -
On Sale
B&T MP5, TP9, MP9 Tactical Single Point Sling
B&T Brugger & Thomet
Now: $97.95Was: $149.95B&T MP5, TP9, MP9 Tactical Single Point Sling Compatible With: MP5 TP9 MP9 Many other applicationsHKP-17292Now: $97.95Was: $149.95 -
Out Of Stock
HKP HK UMP .40 S&W Barrel - Threaded 9/16x24 - 3-Lug
HKP HK Parts
$299.95HKP HK UMP .40 S&W Barrel - Threaded 9/16x24 - 3-Lug This new USA-made .40 S&W 8" barrel is designed for UMP or Omega firearms, featuring both 9/16x24 threading and a 3-lug tip. It’s the finest barrel available for the UMP .40 S&W,...HKP-18282$299.95 -
Out Of Stock
HKP HK UMP 2 Position Lower Grip Frame - Black
HKP HK Parts
$179.95UMP - 2 Position Lower Grip FrameNew UMP Lower. 2 position settings (S,F). Perfect for all your own internals. This item is ideal for the USC to UMP conversion or to keep as a spare. Each lower fits & works with the 45, 40 & 9mm calibers using...HKP-19382$179.95 -
Out Of Stock
HKP HK UMP Stock Block - B Push Pin
HKP HK Parts
$34.95Stock Block B Sling Pin With Loop washer & Quick Pull Pin for UMP/USC (.40 S&W/ .45 ACP/9mm)HKP-21249$34.95 -
B&T Unigrip QD with Bipod
B&T Brugger & Thomet
$224.99B&T Unigrip QD with Bipod This B&T foregrip features a retractable bipod for superior weapon stability in both the standing and prone positions. Specifications: Condition: Factory new Material: Polymer/alloy Heat deflection temperature:...HKP-21387-M$224.99 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Spring
H&K Heckler & Koch
$8.95HK UMP & USC Bolt Catch Spring Compatible With: HK UMP HK USCHKP-01900$8.95 -
H&K USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever
H&K Heckler & Koch
$11.95H&K USC/SL8 (.45 ACP/5.56/.223) Left Selector Lever HK German USC, SL8 left side selector lever 2 position 0,1 Safe, Semi only. Compatible With: HK SL8 HK USCHKP-02506$11.95 -
HKP .45 ACP 4 Prong Flash Hider - Threaded 16x1 LH
HKP HK Parts
$74.95HKP .45 ACP 4 Prong Flash Hider - Threaded 16x1 LH Designed for all HK German .45 ACP threaded barrels, including full size and compact models. Made from heat treated ordnance grade steel with a melonite finish, it offers superior corrosion and abrasion...HKP-01017$74.95 -
Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH
Smith Enterprises
$79.95Smith Enterprises .45 ACP Vortex Pistol Flash Hider - Threaded 16x1 LH Each flash hider is threaded 16x1 LH twist. Made of 4140 ordnance grade steel, heat treated, and finished in the Melonite finish to add the best corrosion and abrasion resistance...HKP-02323$79.95 -
Out Of Stock
Universal 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 -
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Selector Lever (0,1,F)
H&K Heckler & Koch
$19.95HK UMP & G36 Left Side Safety Selector Lever With Axle - 3 Position Navy Compatible With All Navy 3 Position Lowers (0,1,F): HK UMP HK G36HKP-01889$19.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Right Side (0,1)
H&K Heckler & Koch
$9.95Safe, Semi 0,1 Only HK UMP, USC, G36, & SL8 Right Side Safety Control Lever Constructed from durable black polymer, this factory original part from HK is made in Germany and specifically designed for H&K SL8, G36, and USC rifle. The lever...HKP-01874$9.95 -
HKP 30 Round HK UMP 9mm Magazine - FDE
HKP HK Parts
$49.95HK UMP 9mm magazine - FDE UMP 30 round magazine for the UMP. Each magazine features enhanced steel feed lips, and a 30 round magazine capacity. Each magazine counts as 3 U.S. Made compliant parts as an added bonus! This is the finest magazine offering...HKP-20481$49.95 -
SchleTek B&T Suppressor Cleaner Evolution 500ml
B&T Brugger & Thomet
$38.00B&T SchleTek Suppressor Cleaner Evolution 500ml A highly effective, easy-to-use cleaner for all suppressor types. Its self-active formula tackles stubborn fouling quickly, eliminating laborous cleaning. The SchleTek cleaner is safe for all materials...HKP-21715$38.00 -
Troy Industries - HK MR556/416 - Offset Sight Set - Front and Round Rear
Troy Industries
$265.95HK 416 / MR556 - 45⁰ OFFSET BATTLESIGHT SET – HK FRONT & ROUND REAR Durability and dead-on accuracy have made Troy Industries Folding BattleSights the choice of Special Ops and tactical users worldwide. The TROY 45 Degree Folding...HKP-21289-M$265.95 -
On Sale
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side or Bottom Rail - BLEMISHED
H&K Heckler & Koch
Now: $39.95Was: $67.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side or Bottom Rail - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Up to three sides can be used - two for...HKP-00597-BNow: $39.95Was: $67.95 -
H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - Safe/Fire
$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 -
H&K USC (.45 ACP) 10 Round Factory Magazine Spring
H&K Heckler & Koch
$8.95H&K USC (.45 ACP) 10 Round Factory Magazine Spring Compatible With: HK USC 10 Round magazinesHKP-15284$8.95