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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QD Offset Adapter 4mm Compatible with Surefire G2
B&T Brugger & Thomet
$28.95B&T QD Offset Adapter 4mm compatible with Surefire G2Secure your Surefire G2 weapon light to any Picatinny rail section on your firearm with this quick detach, light-weight mount from B&T. Compatible...HKP-99445$28.95 -
On Sale
HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED
OMEGA
Now: $259.46Was: $449.95HK UMP9 Barrel - Threaded 1/2x28 - 3-Lug 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLHKP-99367Now: $259.46Was: $449.95 -
On Sale
HK UMP, USC 4 Piece M-LOK Set - Cerakote
HKP HK Parts
Now: $89.22Was: $139.95HKP HK UMP/USC 4 Piece M-LOK Set - Cerakote Upgrade your UMP/USC with the HK Parts 4-piece M-LOK set. This kit significantly expands the range of attachments you can add to your UMP/USC receiver,...HKP-21664-MNow: $89.22Was: $139.95 -
Out Of Stock
HK USC, UMP Front Sight
USA
$11.95Front Sight - HK USC, UMP - USA Easy to swap out. Knock out the roll pin, remove, replace, and then re-insert the roll pin. Common wear or breakage part. Compatible With: All models of USCHKP-19124$11.95 -
Out Of Stock
HK UMP Paddle Magazine Release Assembly, Complete
USA
$19.95UMP Paddle Magazine Release - US Made - Assembly Complete New UMP Mag release. This is a very common repair and replacement part as they are fairly easy to break on the UMP lower. Simple and easy to...HKP-19499$19.95 -
Out Of Stock
HK USC Magazine Release - Extended
HKP HK Parts
$24.95HKP HK Parts Alloy Extended Magazine Release for HK USC Billeted alloy USC magazine release. This is a very common repair and replacement part as they are fairly easy to break on the USC lower. With...HKP-17918$24.95 -
Out Of Stock
HK UMP, USC Extractor - .40 S&W
USA
$39.95New US-Made USC Or UMP .40 Extractor This part is a repair and replacement item, as these are prone to breakage, and it's a part that's hard to find and a great item to have on hand. Please Note: HK...HKP-02624$39.95 -
Out Of Stock
HK UMP Pistol Grip, Incomplete - 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
HK UMP Pistol Grip, Incomplete - 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 -
Out Of Stock
HK UMP Pistol Grip, Incomplete - 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...HKP-17815$0.00 -
Out Of Stock
HK UMP Rear Receiver Section - Demilled
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...HKP-01659$0.00 -
Out Of Stock
HK UMP Parts Kit - 9mm
H&K Heckler & Koch
$0.00HK Heckler and Koch 9mm Parts Kit in Like New Condition for HK UMP Click this link to complete your build with an S5 Tactical receiver. Black OHKP-02425$0.00