Small Parts

Small Parts

Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.

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  • New - H&K HK USP Old Style Complete Sear - HKP-16991 HK USP Complete Sear - Old Style
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    HK USP Complete Sear - Old Style

    H&K Heckler & Koch

    $59.95
    H&K HK USP Old Style Complete Sear This sear is specific to the USP 9mm-Old Style.
    HKP-16991
    $59.95
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  • New - H&K HK MR556/416 Front Sight Roll Pin - HKP-02659
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    HK416, MR556 Front Sight Roll Pin

    H&K Heckler & Koch

    $4.95
    Heckler and Koch Front Sight Roll Pin for HK416 and HK MR556
    HKP-02659
    $4.95
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    $4.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Hammer Spring - Left - HKP-01898
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    HK UMP, USC Hammer Spring - Left

    H&K Heckler & Koch

    $13.95
    HK UMP & USC - Left Side Hammer Spring For All Lowers 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 conversion...
    HKP-01898
    $13.95
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  • Out Of Stock
    New - H&K 21 (7.62x51/.308) Carry Handle Axle Elbow Spring - HKP-00578

    HK21 Carry Handle Axle Elbow Spring

    HKP HK Parts

    $11.95
    HK21 & 21E Carry Handle Axle Elbow Spring This part is needed and is used in conjunction with the actual carry handle, axle, axle spring, and (2) E-clips. This is the elbow spring portion of the needed part for the assembly.
    HKP-00578
    $11.95
    Out Of Stock
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    $11.95
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  • New - HK Carry Handle Axle - HKP-00577
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    HK21 Carry Handle Axle

    HKP HK Parts

    $16.95
    HK Carry Handle Axle
    HKP-00577
    $16.95
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  • New - H&K CC9 Firing Pin - HKP-22136
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    HK CC9 Firing Pin

    H&K Heckler & Koch

    $55.95
    H&K CC9 Firing Pin Made in Germany by H&K, the firing pin for the CC9 pistol strikes the primer to ignite the cartridge. Compatible With: HK CC9  
    HKP-22136
    $55.95
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  • New - H&K HK P7M8/P7M10/P7M13 Rear Sight Screw - HKP-01397
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    HK P7M8, P7M10, P7M13 Rear Sight Screw

    H&K Heckler & Koch

    $9.95
    Rear Sight Screw Compatible With: P7M8 P7M10 P7M13
    HKP-01397
    $9.95
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  • New - H&K HK P30 .40 Complete Recoil Assembly - HKP-02437 HK P30 .40 Complete Recoil Assembly
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    HK P30 .40 Complete Recoil Assembly

    H&K Heckler & Koch

    $79.95
    HK P30 .40 Cal Recoil Rod Assembly Complete A genuine German Heckler & Koch part. New Factory Fresh HK parts help the pistol function as it was designed. Compatible With: HK P30 .40 cal.
    HKP-02437
    $79.95
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  • New - H&K HK P30SK/P2000SK Hammer Strut - HKP-02597
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    HK P30SK, P2000SK Hammer Strut

    H&K Heckler & Koch

    $17.95
    Heckler and Koch Hammer Strut for HK P30SK, P2000SK Factory German HK hammer strut for the P30SK and P2000SK 9mm pistols. This OEM steel component installs in the rear grip frame and works with the hammer spring to drive the hammer forward during firing...
    HKP-02597
    $17.95
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  • New - H&K 10 Round HK USP 9mm Floor Plate Standard - Black - HKP-01477 HK USP Magazine Floorplate - 9mm - 10 Round - Standard
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    HK USP Magazine Floorplate - 9mm - 10 Round - Standard

    H&K Heckler & Koch

    $19.95
    10 Round HK USP 9mm Floor Plate Standard  
    HKP-01477
    $19.95
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  • New - H&K HK USPC Right Side Ambidextrous Control Lever - HKP-02275
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    HK USP Compact Right Side Ambidextrous Control Lever

    H&K Heckler & Koch

    $29.99
    HK USPC Right Side Ambidextrous Control Lever Compatible With: HK USP Compact  9mm .357 SIG .40 S&W .45 USPC Tactical  Will fit the HK USP Full Size but will have a lower profile than the USP full-size lever 9mm .357 Sig .40 S&W ...
    HKP-02275
    $29.99
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  • New - H&K HK USPC V3 Control Lever - HKP-01436 HK USP Compact V3 Control Lever
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    HK USP Compact V3 Control Lever

    H&K Heckler & Koch

    $32.95
    HK USPC V3 Control Lever Compatible With: HK USP Compact 9mm HK USP Compact 357 SIG HK USP Compact 40 S&W HK USP Compact 45 ACP
    HKP-01436
    $32.95
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