UMP / USC Series

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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  • On Sale
    HK G36, UMP Handguard Handstop - BLEMISHED HK G36, UMP Handguard Handstop - BLEMISHED
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    HK G36, UMP Handguard Handstop - BLEMISHED

    OMEGA

    Now: $21.95
    Was: $29.95
    HK G36, UMP Handguard Handstop - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK G36 hand stop kit. Complete with locking block and screw. Fits any...
    HKP-22512-B
    Now: $21.95
    Was: $29.95
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  • On Sale
    HK USC Carbine Operators Manual - .45 ACP - BLEMISHED HK USC Carbine Operators Manual - .45 ACP - BLEMISHED
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    HK USC Carbine Operators Manual - .45 ACP - BLEMISHED

    H&K Heckler & Koch

    Now: $34.95
    Was: $49.95
    Heckler and Kock HK USC Carbine .45 ACP Operators Manual ONLY 1 UNIT AVAILABLE - AS PICTURED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Original...
    HKP-99370
    Now: $34.95
    Was: $49.95
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  • On Sale
    HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED
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    HK UMP Barrel - 9mm - Threaded 1/2x28 RH with 3 Lug - BLEMISHED

    OMEGA

    Now: $345.95
    Was: $449.95
    HK 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 BLEMISHED PART SALES ARE FINAL. Factory-style barrel for HK UMP9 pattern...
    HKP-99367
    Now: $345.95
    Was: $449.95
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    Now: $345.95
    Was: $449.95
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  • On Sale
    HK UMP Paddle Mag Release - Extended - BLEMISHED HK UMP Paddle Mag Release - Extended - BLEMISHED
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    HK UMP Paddle Mag Release - Extended - BLEMISHED

    HKP HK Parts

    Now: $24.95
    Was: $34.95
    HK UMP Paddle Mag Release - Extended - 9mm / .40 S&W / .45 ACP - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Billeted alloy UMP magazine release...
    HKP-17919-B
    Now: $24.95
    Was: $34.95
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  • HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount
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    HK MP5, MP5K, HK416, MR556 Flash Hider - 1/2x28 - Taper Mount

    JMAC Customs

    $116.95
    1/2x28 - Plan B Taper Mount Flash Hider for MP5, HK416, MR556, APC223  The 360HD is the latest evolution in JMac Custom's Recoil Reduction Device (RRD) family of muzzle brakes, designed to meet the needs of serious shooters and...
    HKP-22408
    $116.95
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    $116.95
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  • On Sale
    Used - H&K USC (.45 ACP) Incomplete Trigger Housing - Gray - Used - HKP-16479-GY-B HK USC (.45 ACP) Incomplete Trigger Housing - Gray - Used
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    HK USC (.45 ACP) Incomplete Trigger Housing - Gray - Used

    H&K Heckler & Koch

    Now: $29.95
    Was: $39.95
    H&K USC (.45 ACP) Incomplete Trigger Housing - Gray - Used ONLY 1 UNIT AVAILABLE - AS PICTURED Used HK German USC Lower Receiver Empty. German HK perfect for spare parts. You can choose gray or black. THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN,...
    HKP-16479-GY-B
    Now: $29.95
    Was: $39.95
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  • New - HKP HK UMP/USC 4 Piece M-LOK Set - Cerakote - HKP-21664-M HK UMP, USC 4 Piece M-LOK Set - Cerakote
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    HK UMP, USC 4 Piece M-LOK Set - Cerakote

    HKP HK Parts

    $139.95
    HKP 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, making it the ultimate choice for customization. Crafted...
    HKP-21664-M
    $139.95
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    $139.95
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  • Out Of Stock
    New - HK USC, HK UMP Front Sight - Black - HKP-19124 HK USC, UMP Front Sight

    HK USC, UMP Front Sight

    USA

    $11.95
    Front 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 USC and UMP's
    HKP-19124
    $11.95
    Out Of Stock
    Qty in Cart: 0
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    $11.95
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  • Out Of Stock
    New - HK UMP Paddle Mag Release Complete Assembly - HKP-19499 HK UMP Paddle Mag Release Complete Assembly

    HK UMP Paddle Mag Release Complete Assembly

    $19.95
    UMP Paddle Magazine Release - US Made - Assembly Complete New UMP Mag release. This is a very common repair & replacement part as they are fairly easy to break on the UMP lower. Simple & easy to install no gunsmith needed or required. Compatible...
    HKP-19499
    $19.95
    Out Of Stock
    Qty in Cart: 0
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    $19.95
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    Out Of Stock
  • Out Of Stock
    New - HKP HK USC (.45 ACP) Carbine Mag Release - Extended - HKP-17918

    HK USC Magazine Release - Extended - .45 ACP

    HKP HK Parts

    $24.95
    HK USC Alloy Mag Release - Extended Billeted alloy USC magazine release. This is a very common repair & replacement part as they are fairly easy to break on the USC lower. With this new metal mag release you get more surface area as well as a much...
    HKP-17918
    $24.95
    Out Of Stock
    Qty in Cart: 0
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    $24.95
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    Out Of Stock
  • Out Of Stock
    New - HK UMP/USC (.40 S&W) Extractor - HKP-02624 HK UMP, USC Extractor - .40 S&W

    HK UMP, USC Extractor - .40 S&W

    USA

    $39.95
    New 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 considers this a high wear and replacement...
    HKP-02624
    $39.95
    Out Of Stock
    Qty in Cart: 0
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    $39.95
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  • Out Of Stock
    New - H&K UMP (.40 S&W/.45 ACP/9mm) Incomplete Pistol Grip (0,1,2,F) - HKP-17817 HK UMP Pistol Grip, Incomplete - 0,1,2,F

    HK UMP Pistol Grip, Incomplete - 0,1,2,F

    H&K Heckler & Koch

    $0.00
    Stripped UMP Pistol Grip - 4 Position (0,1,2,D) Pictogram
    HKP-17817
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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