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 G36 (5.56/.223) Catch Axle - HKP-01872
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    HK G36 Catch Axle

    H&K Heckler & Koch

    $7.95
    HK G36 Catch Axle For All Lowers  
    HKP-01872
    $7.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Catch Spring - HKP-01861
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    HK G36, SL8 Bolt Catch Spring

    H&K Heckler & Koch

    $9.95
    HK German G36 & SL8 Bolt Catch Spring  
    HKP-01861
    $9.95
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    $9.95
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch - HKP-01897
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    HK UMP, USC Bolt Catch

    H&K Heckler & Koch

    $36.95
    HK UMP & USC Bolt Catch  New HK German lower. Compatible With: HK UMP HK USC
    HKP-01897
    $36.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Magazine Catch - Latest Design - HKP-01059

    HK33, HK53, HK93 Magazine Catch - Latest Design

    H&K Heckler & Koch

    $49.95
    Heckler and Koch German Factory Magazine Catch for HK33, HK53, HK93 New HK German 93,33,53 mag catch for magazine release.  Compatible With: HK93 HK33 HK53 HK33K Clone or other custom builds
    HKP-01059
    $49.95
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  • Out Of Stock
    New - H&K CC9 Magazine Release & Chassis Pin - HKP-22112

    HK CC9 Magazine Release & Chassis Pin

    H&K Heckler & Koch

    $5.95
    H&K CC9 Magazine Release & Chassis Pin   Made by H&K, this authentic pin for the CC9 secures magazine release and chassis components within the frame.   Compatible With: HK CC9  
    HKP-22112
    $5.95
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  • New - H&K HK MR762/417 Cartridge Extractor - HKP-16842
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    HK417, MR762 Cartridge Extractor

    H&K Heckler & Koch

    $94.95
    H&K HK MR762/417 Cartridge Extractor   Compatible With: HK MR762 HK 417
    HKP-16842
    $94.95
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  • New - H&K HK 45/45C Extractor - HKP-01298
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    HK45, HK45 Compact Extractor

    H&K Heckler & Koch

    $49.95
    German HK45 & HK45C Extractor - New A great spare and replacement part to have. Compatible With: HK45 Tactical HK45 HK45 Compact Tactical HK45 Compact
    HKP-01298
    $49.95
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  • New - H&K HK P Series Control Latch - HKP-01957
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    HK P Series Control Latch

    H&K Heckler & Koch

    $19.95
    HK P Series Control Latch Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK Please Note: This is the correct part for the CDA V4.1 Trigger found in Europe.
    HKP-01957
    $19.95
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  • New - H&K HK USP Control Decock Only V4 Safety Lever - HKP-01417
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    HK USP Control Decock Only V4 Safety Lever

    H&K Heckler & Koch

    $44.95
    H&K HK USP Control Decock Only V4 Safety Lever Lever for left-handers to have the de-cocker (no safety) function. The control lever fits on the right side of the frame. Compatible With: HK USP 9mm HK USP 40 S&W HK USP 45 ACP  
    HKP-01417
    $44.95
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  • New - H&K HK USP/USPC/45/45C LEM Hammer - HKP-02705 HK45, HK45 Compact, USP, USP Compact LEM Hammer
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    HK45, HK45 Compact, USP, USP Compact LEM Hammer

    H&K Heckler & Koch

    $75.95
    Heckler and Koch HK USP, USP Compact, HK45, HK45 Compact LEM Hammer LEM (Law Enforcement Modification) hammer designed for compatible HK hammer-fired pistol platforms. Intended for use in LEM trigger configurations and suitable for maintenance,...
    HKP-02705
    $75.95
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  • New - H&K USC (.45 ACP) Carbine Mag Release Axle - HKP-02584
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    HK USC Magazine Release Axle - .45 ACP

    H&K Heckler & Koch

    $18.95
    Heckler and Koch USC .45 ACP Magazine Release Axle Replacement magazine release axle for HK USC .45 ACP platforms. This component is commonly replaced due to wear or breakage and may also be required when configuring compliant magazine release systems...
    HKP-02584
    $18.95
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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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