UMP / USC Small Parts

UMP / USC Small Parts

Explore our selection of HK UMP and HK USC small parts, perfect for repairs, upgrades, and custom builds. Our inventory includes precision-machined replacement components, push pins, springs, and maintenance parts designed for proper fit, durability, and reliable performance.

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  • New - H&K USC (.45 ACP) Lower Locking Lever Axle - HKP-16376
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    HK USC Locking Lever Axle - .45 ACP

    H&K Heckler & Koch

    $29.95
    HK USC Lower Locking Lever Axle A great item to have on hand as spares. New German HK. Compatible With: All USC lowers
    HKP-16376
    $29.95
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    New - H&K UMP (.40 S&W) Magazine Locking Plate - HKP-16340 HK UMP Magazine Locking Plate - .40 S&W
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    HK UMP Magazine Locking Plate - .40 S&W

    H&K Heckler & Koch

    $9.95
    H&K UMP (.40 S&W) Magazine Locking Plate German HK.
    HKP-16340
    $9.95
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    New - HK UMP Paddle Mag Release Complete Assembly - HKP-19499 HK UMP Paddle Magazine Release Assembly, Complete
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    HK UMP Paddle Magazine Release Assembly, Complete

    USA

    $19.95
    UMP 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 install no gunsmith needed or required. Compatible...
    HKP-19499
    $19.95
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    New - HKP HK USC (.45 ACP) Carbine Mag Release - Extended - HKP-17918
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    HK USC Magazine Release - Extended

    HKP HK Parts

    $24.95
    HKP 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 this new metal mag release you get more surface area...
    HKP-17918
    $24.95
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    New - HK UMP .40 S&W, .45 ACP, 9 mm Paddle Mag Release - HKP-18773
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    HK UMP Paddle Magazine Release

    USA

    $9.95
    US Made Paddle Magazine Release for HK UMP 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 install no gunsmith needed or required. Compatible With: UMP Please...
    HKP-18773
    $9.95
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