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 P2000/P2000SK Magazine Disconnect Elbow Spring - HKP-02601
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    HK P2000, P2000SK Magazine Disconnect Elbow Spring

    H&K Heckler & Koch

    $9.95
    HK Magazine Disconnect Elbow Spring   Compatible With: HK P2000 HK P2000SK
    HKP-02601
    $9.95
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    $9.95
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  • New - H&K HK P Series Disconnector - HKP-01794 HK P Series Disconnector
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    HK P Series Disconnector

    H&K Heckler & Koch

    $6.95
    HK P Series Disconnector Compatible With These Models In 9mm, .40 S&W, & .357 SIG: HK P30  HK P30L HK P2000 HK P2000SK
    HKP-01794
    $6.95
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    $6.95
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  • New - H&K HK USPC Variant 4 Right Decock Control Lever - Black - HKP-02264
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    HK USP Compact Variant 4 Right Decock Control Lever

    H&K Heckler & Koch

    $34.95
    USPC - Decock Lever V4 - Decock Only Compatible with all USP Compact pistols and provides the V4 Decock ONLY (no safety function) when used with the Variant 3 & 4 Detent Plate. This is the correct lever for those who are "left-handed"...
    HKP-02264
    $34.95
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  • New - H&K (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28 - HKP-01965 HK (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28
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    HK (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28

    USA

    $74.95
    H&K (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28 This flash hider enhances both the look and functionality of your firearm.  Constructed from 4140 ordnance-grade steel, it is heat-treated and finished with a Melonite coating for...
    HKP-01965
    $74.95
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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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  • HK UMP Paddle Magazine Release - Extended HK UMP Paddle Magazine Release - Extended
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    HK UMP Paddle Magazine Release - Extended

    HKP HK Parts

    $34.95
    UMP Paddle Magazine Release - Extended Billeted alloy UMP magazine release. This is a very common repair & replacement part as they are fairly easy to break on the UMP lower. With this new metal mag release you get more surface area as well as a much...
    HKP-17919
    $34.95
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  • New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Anti-Rattle Mag Release - HKP-01126 HK33, HK53, HK93, HK91, G3 Anti-Rattle Mag Release
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    HK33, HK53, HK93, HK91, G3 Anti-Rattle Mag Release

    H&K Heckler & Koch

    $64.95
    HK German Anti Rattle Paddle Magazine Release This item is a new H&K genuine part not used or surplus for installation on all HK .223 & .308 HK Rrifles. This is the highly desired anti-rattle-style paddle mag release. Compatible With: HK 91 HK...
    HKP-01126
    $64.95
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    $64.95
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  • New - H&K MP5 40/10 Standard 8mm Roller - HKP-00338 HK MP5 40/10 Standard 8mm Roller
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    HK MP5 40/10 Standard 8mm Roller

    H&K Heckler & Koch

    $20.95
    HK German MP5 40/10 8mm Roller - Factory New Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a...
    HKP-00338
    $20.95
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  • On Sale
    HK AP5P/MP5K Recoil Rod Assembly MKE HKP-22389 HK AP5P/MP5K Recoil Rod Assembly MKE HKP-22389
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    HK MP5K, AP5-P Recoil Rod Assembly

    MKE

    Now: $54.95
    Was: $64.95
    MKE HK AP5P/MP5K Recoil Rod Assembly The recoil spring assembly is a great item to have on hand for replacement and spares as this is a consumable wearable part.  Compatible With: HK SP5K/MP5K/SP89 Century Arms AP5-P/AP5-M Clones and other HK...
    HKP-22389
    Now: $54.95
    Was: $64.95
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    Now: $54.95
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  • New - H&K CC9 Extractor Roll Pin - HKP-22132
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    HK CC9 Extractor Roll Pin

    H&K Heckler & Koch

    $5.95
    H&K CC9 Extractor Roll Pin Made in Germany, the extractor roll pin for the CC9 secures the extractor to the slide. Compatible With: HK CC9  
    HKP-22132
    $5.95
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  • Out Of Stock
    New - H&K HK G36, HK SL8 Roll Pin for Gas Piston - Black - HKP-16386

    HK G36, SL8 Roll Pin - Gas Piston

    H&K Heckler & Koch

    $9.95
    H&K HK G36, HK SL8 Roll Pin for Gas Piston
    HKP-16386
    $9.95
    Out Of Stock
    Qty in Cart: 0
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    $9.95
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  • Out Of Stock
    New - H&K VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black - HKP-18632 HK VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black

    HK VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black

    H&K Heckler & Koch

    $19.95
    H&K VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black New HK German manufactured. Left side medium size with thumb rest perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    HKP-18632
    $19.95
    Out Of Stock
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    $19.95
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