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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  • HK91, G3 Firing Pin - Titanium HK91, G3 Firing Pin - Titanium

    HK91, G3 Firing Pin - Titanium

    HKP HK Parts

    $34.95
    HK G3, 91 & PTR Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made 100% in the USA. A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK G3, 91 & PTR weapon system. Get the...
    HKP-17937
    $34.95
    Qty in Cart: 0
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  • New - H&K MP5 40/10 -2 Roller - HKP-00336 HK MP5 Locking Roller -2 - .40 S&W, 10mm

    HK MP5 Locking Roller -2 - .40 S&W, 10mm

    H&K Heckler & Koch

    $19.95
    H&K Heckler and Koch -2 roller HK German for HK MP5 40/10  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...
    HKP-00336
    $19.95
    Qty in Cart: 0
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  • New - H&K MP5 40/10 -4 Roller - HKP-00337 HK MP5 Locking Roller -4 - .40 S&W, 10mm

    HK MP5 Locking Roller -4 - .40 S&W, 10mm

    H&K Heckler & Koch

    $19.95
    H&K Heckler and Koch HK German -4 roller for MP5 40/10 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...
    HKP-00337
    $19.95
    Qty in Cart: 0
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  • New - H&K CC9 Extractor Roll Pin - HKP-22132

    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
    Qty in Cart: 0
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  • Out Of Stock
    New - H&K VP9, VP40 Backstrap - Small - Gray - HKP-18125 HK VP9, VP40 Backstrap - Small - Gray

    HK VP9, VP40 Backstrap - Small - Gray

    H&K Heckler & Koch

    $19.95
    H&K VP9, VP40 Backstrap - Small - Gray   Compatible With: HK VP9 HK VP9A1 F HK VP40
    HKP-18125
    $19.95
    Qty in Cart: 0
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  • New - H&K HK MR762/417 Charging Handle Pin - HKP-16754

    HK417, MR762 Charging Handle Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR762/417 Charging Handle Pin HK MR762 & HK 417 Clamping Sleeve for plate on charging handle. There are two of these pins used on the charging handle. Compatible With: HK MR762 HK 417
    HKP-16754
    $6.95
    Qty in Cart: 0
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  • New - H&K HK MR762 Firing Pin Retaining Pin - HKP-16612

    HK417, MR762 Firing Pin Retaining Pin

    H&K Heckler & Koch

    $19.95
    Heckler and Koch MR762 Firing Pin Retaining Pin This firing pin retaining pin is made from a durable, black finished, steel and is a factory original Heckler and Koch component. This retaining pin is made for the HK417 and HK MR762 model of rifles. This...
    HKP-16612
    $19.95
    Qty in Cart: 0
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  • New - H&K HK MR762/417 Axle Extractor Retaining Pin - HKP-16810

    HK417, MR762 Axle Extractor Retaining Pin

    H&K Heckler & Koch

    $8.95
    H&K HK MR762/417 Axle Extractor Retaining Pin This extractor retaining pin is constructed of durable, black finished, steel and is an OEM factory original H&K component. This retaining pin is designed to fit the HK417 & MR762 model of rifles...
    HKP-16810
    $8.95
    Qty in Cart: 0
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  • New - HK 9mm 4 Prong Pistol Flash Hider - Threaded 1/2x28 - HKP-01965 HK VP9, USP, P30, P2000 4 Prong Pistol Flash Hider - 9mm - Threaded 1/2x28

    HK VP9, USP, P30, P2000 4 Prong Pistol Flash Hider - 9mm - Threaded 1/2x28

    USA

    $74.95
    Heckler and Koch 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...
    HKP-01965
    $74.95
    Qty in Cart: 0
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  • Out Of Stock
    New - HK33, HK53, HK93 (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 HK33, HK53, and HK93 mag catch for magazine release.  Compatible With: HK33, HK53, HK93 HK33K Clone or other custom builds
    HKP-01059
    $49.95
    Qty in Cart: 0
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  • HK MP5, AP5 Magazine Catch Push Button

    HK MP5, AP5 Magazine Catch Push Button

    MKE

    $6.95
    HK MP5, AP5 Magazine Catch Button Push button for magazine catchCompatible with: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK94 HK33, HK53, HK93 HK91, G3 In-spec. clones and custom builds
    HKP-22548
    $6.95
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  • New - H&K CC9 Firing Pin Spring - HKP-22138

    HK CC9 Firing Pin Spring

    H&K Heckler & Koch

    $5.95
    H&K CC9 Firing Pin Spring Manufactured by H&K, this firing pin spring for the H&K CC9 pistol applies consistent tension to the firing pin, ensuring reliable ignition. Compatible With: HK CC9  
    HKP-22138
    $5.95
    Qty in Cart: 0
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