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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H&K UMP (.40 S&W) Magazine Follower
H&K Heckler & Koch
$9.95HK UMP 30 Round Magzine Follower .40 S&WHKP-01901$9.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - Incomplete
H&K Heckler & Koch
$49.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - IncompleteHKP-16372$49.95 -
H&K USC (.45 ACP) Bolt Group- Incomplete
H&K Heckler & Koch
$699.95HK German USC .45 Factory Semi Bolt - Incomplete HK German USC, Omega GS 45 caliber bolt carrier that is stripped. Just add the firing pin, firing pin spring, extractor and firing pin retaining pin for a complete bolt. Made in Germany.HKP-17011$699.95 -
H&K USC (.45 ACP) Incomplete Trigger Housing - Grey
H&K Heckler & Koch
$69.95H&K USC .45 ACP 2 Position (0,1 Pictogram) Incomplete Trigger Housing - Grey Enhance your H&K USC .45 ACP with this high-quality incomplete trigger housing in grey. This housing is designed to provide a reliable upgrade to your USC platform,...HKP-16357$69.95 -
H&K USC (.45 ACP) Incomplete Trigger Housing - Used
H&K Heckler & Koch
$39.95H&K USC (.45 ACP) Incomplete Trigger Housing - Used Used HK German USC Lower Receiver Empty. German HK perfect for spare parts. You can choose gray or black. We have both types 1. Please be sure to make a note of which color you want when checking...HKP-16479$39.95 -
30 Round Magazine - LEO Marked - Windowless - HK UMP .40
$99.95Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were used before they switched over to the windowed UMP...HKP-20749$99.95 -
On Sale
Advanced Armanent HK UMP/USC Receiver Optic Rail - USED
Now: $48.95Was: $95.00Advanced Armanent HK UMP/USC Receiver Optic Rail - USED A durable optic rail designed specifically for HK UMP and USC firearms. Compatible With: HK German spec UMP USC upper receivers Please Note: This listing does not include mounting hardware. THIS...HKP-99007Now: $48.95Was: $95.00 -
On Sale
Aftermarket HK UMP/UMC Bottom, Side Rail - USED
USA
Now: $9.95Was: $24.95Aftermarket HK UMP/UMC Bottom, Side Rail - USED This listing is for one rail. The UMP/USC can use up to 3 of the rails on the forearm section of the firearm: 1 on each side and 1 for the bottom for a total of 3 rails. Please Note: White markings may...HKP-99112Now: $9.95Was: $24.95 -
On Sale
Aftermarket HK UMP/USC Side, Bottom Rail - BLEMISHED
USA
Now: $9.95Was: $19.95Aftermarket HK UMP/USC Side, 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. This listing is for one rail. The UMP/USC can use up to 3 of...HKP-99113Now: $9.95Was: $19.95 -
On Sale
Aftermarket HK UMP/USC Side/Bottom Rail - BLEMISHED
USA
Now: $9.95Was: $19.95Aftermarket HK UMP/USC Side/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. This listing is for one rail. The UMP/USC can use up to 3 of...HKP-99114Now: $9.95Was: $19.95 -
On Sale
Aftermarket HK UMP/USC Top Rail
USA
Now: $24.95Was: $39.95Aftermarket HK UMP/USC Top Rail Provides a sturdy mounting platform for optics and accessories on the HK UMP and HK USC. Compatible With: HK UMP HK USC THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99110Now: $24.95Was: $39.95 -
On Sale
Aftermarket HK UMP/USC Top Rail - USED
USA
Now: $9.95Was: $34.95Aftermarket HK UMP/USC Top Rail - USED Provides a sturdy mounting platform for optics and accessories on the HK UMP and HK USC. Compatible With: HK UMP HK USC THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99111Now: $9.95Was: $34.95 -
B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series
B&T Brugger & Thomet
$150.00B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...HKP-21771$150.00 -
B&T Aimpoint ACRO / NANO 39mm QD Mount
B&T Brugger & Thomet
$85.00B&T Aimpoint ACRO / NANO 39mm QD Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail. Keep your optic profile compact with this Swiss made mount. Compatible With: Any firearm featuring...HKP-21761$85.00 -
B&T QD Mount "Skeleton" for Aimpoint T Series 52mm
B&T Brugger & Thomet
$165.00B&T QD Mount "Skeleton" for Aimpoint T Series 52mm B&T universal Picatinny mount 52mm QD riser mount for the Aimpont T Series of optics. Quickly attach and detach your Aimpoint T Series optic with B&T's precision machined 52mm mount...HKP-21772$165.00 -
Out Of Stock
B&T Sling Attachment Loop - Universal
B&T Brugger & Thomet
$7.95B&T Sling Attachment Loop Swiss-made B&T sling loop for attaching slings to sling eyelets on firearms. B&T made but compatible with any sling with a clip and firearm with a sling loop or other mounting provision.HKP-21734$7.95 -
On Sale
GSG HK UMP Firing Pin
GSG German Sports Guns
Now: $34.95Was: $49.95GSG HK UMP Firing Pin Firing pin for HK UMP. Compatible With: HK UMP THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99119Now: $34.95Was: $49.95 -
Out Of Stock
H&K HK G36/UMP Tactical Sling - Used
H&K Heckler & Koch
$0.00HK Factory G36 & UMP Tactical Sling. Black In Color. USED.HKP-00632$0.00 -
Out Of Stock
H&K HK UMP Demilled Extended Rear Receiver Section
H&K Heckler & Koch
$0.00HK German Factory UMP Receiver Section - ExtendedThis is a demilled factory HK UMP rear receiver section that is perfect for the new Tom Bostic USC-UMP conversions. This section is the perfect length in order to do the USC/UMP conversion. Just in only...HKP-19798$0.00 -
H&K HK USC 45 Barrel - Used
H&K Heckler & Koch
$695.95Barrel - HK USC 45 in Exc + shape HK German factory USC 45 barrel in excellent + condition. Rare and hard to find.HKP-20471$695.95 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) 4 Position Burst Lower (0,1,2,Full)
H&K Heckler & Koch
$0.00New HK German 4 Position (0,1,2,Full) Burst LowerFits All HK UMP's. This item can be adapted for use on the USC-UMP Conversion if the F/A internals are removed & the USC (semi-auto) internals are installed. This item is a very popular item for the...HKP-00593$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Demilled Rear Receiver Section
H&K Heckler & Koch
$0.00HK UMP Demilled Receiver Section This is a demilled factory HK UMP rear receiver section that is perfect for the new Tom Bostic USC-UMP conversions. This section is the perfect length in order to do the USC/UMP conversion. Last one available.HKP-01659$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Folding Stock - Used
H&K Heckler & Koch
$0.00HK UMP Folding ButtstockUsed taken from German HK police department guns, German Heckler & Koch folding stock. This is a required part for the USC-UMP Conversion (stock block B). All UMP folding stocks come with HK date code.HKP-02222$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1)
H&K Heckler & Koch
$0.00UMP Pistol Grip Stripped & Incomplete - 2 Position (0,1) Pictogram New HK German manufacture, rare and hard to find. If you have an HK USC you can use this housing with the USC lower internals for a complete USC to UMP lower assembly that you can use...HKP-17815$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1,2,F)
H&K Heckler & Koch
$0.00Stripped UMP Pistol Grip - 4 Position (0,1,2,D) PictogramHKP-17817$0.00 -
Out Of Stock
H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1,F)
H&K Heckler & Koch
$0.00UMP Pistol Grip Stripped & Incomplete - 3 Position (0,1,F) Pictogram New German HK UMP 3 position lower.HKP-17816$0.00 -
On Sale
H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW
H&K Heckler & Koch
Now: $179.95Was: $229.95H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Like-new PD trade in HK German UMP .45...HKP-17917-BNow: $179.95Was: $229.95 -
Out Of Stock
H&K UMP (.45 ACP) Barrel - Used
H&K Heckler & Koch
$0.00HK UMP 45 ACP 8 Inch Barrel - German German HK Cold Hammer Forged Barrel- UsedUsed PD trade in authentic German HK UMP .45 barrel. Polygonal and cold hammer forged. A rare part as the barrel is not a part that can be bought from HK separately. The only...HKP-14955$0.00 -
Out Of Stock
H&K UMP (.45 ACP) Bolt Group - Used
H&K Heckler & Koch
$0.00German HK UMP .45 Factory Full Auto Bolt Group Complete Used.Used German bolt carrier complete that is tungsten filled and the factory correct HK UMP .45 cal bolt group. Comes less the recoil assembly.HKP-01231$0.00 -
Out Of Stock
H&K UMP (9mm) Parts Kit
H&K Heckler & Koch
$0.00HK UMP 9mm Parts Kit - Like New Condition Click this link to complete your build with a DEFGUNZ DEF9 receiver. Includes: Front Sight 9mm Bolt Group Complete 9mm Ejector Lever Folding Stock 0,1,F Lower Trigger Group 1 x 30 round 9mm Factory...HKP-02425$0.00 -
On Sale
H&K UMP .40 S&W Threaded Barrel - USED
H&K Heckler & Koch
Now: $359.95Was: $624.95H&K UMP .40 S&W Threaded Barrel - USED UNKOWN THREAD PITCH. We do not have compatible gauges on site and therefore cannot easily check. Enhance your HK UMP with this threaded barrel. This barrel is specifically designed for the ...HKP-99026Now: $359.95Was: $624.95 -
Out Of Stock
H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Burst Lower Slide (0,1,2)
H&K Heckler & Koch
$14.95HK G36 & UMP Slide For 3 Position Burst Only Lowers - 0,1,2 Only Compatible With: HK UMP HK G36HKP-01887$14.95 -
Out Of Stock
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Cocking Handle Assembly - Used
H&K Heckler & Koch
$0.00HK German USC/UMP Cocking Handle Assembly - UsedIncludes Cocking Handle Support Spring Cocking Lever Support Roll Pin for Cocking HandleHKP-00255$0.00 -
Out Of Stock
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Right
H&K Heckler & Koch
$14.95HK UMP & USC Right Side Hammer Spring For LowersHKP-01892$14.95 -
On Sale
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail - BLEMISHED
H&K Heckler & Koch
Now: $39.95Was: $59.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail - BLEMISHED DOES NOT INCLLUDE HARDWARE. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Listing is for...HKP-00598-BL-BNow: $39.95Was: $59.95 -
Out Of StockOn Sale
H&K UMP/USC 4 Piece Rail Set
H&K Heckler & Koch
Now: $189.95Was: $289.95H&K UMP/USC 4 Piece Rail Set This authentic German rail set includes three bottom, side rails and one top rail for the HK UMP. Compatible With: HK UMP HK USC THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99115Now: $189.95Was: $289.95 -
Out Of Stock
H&K USC (.45 ACP) 10 Round Factory Magazine Body - BODY ONLY
H&K Heckler & Koch
$0.00HK USC .45 10 Round Magazine Body. This is the only magazine body that HK offers for the HK USC. Compatible With: HK USC CarbinesHKP-16370$0.00 -
H&K USC (.45 ACP) Magazine Floor Plate
H&K Heckler & Koch
$8.95H&K USC (.45 ACP) Magazine Floor PlateHKP-16380$8.95 -
Out Of Stock
H&K USC (.45 ACP) Magazine Locking Plate Insert
H&K Heckler & Koch
$8.95H&K USC (.45 ACP) Magazine Locking Plate InsertHKP-16384$8.95 -
On Sale
H&K USC Incomplete Trigger Housing - Used
H&K Heckler & Koch
Now: $49.95Was: $99.95H&K USC Incomplete Trigger Housing - Used This is a used German HK USC lower receiver housing, sold empty. Perfect for spare parts or as a replacement component for your build. Compatible With: HK USC THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN,...HKP-99041Now: $49.95Was: $99.95