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 MP5 40/10 -4 Roller - HKP-00337 HK MP5 Locking Roller -4 - .40 S&W / 10mm
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    HK MP5 Locking Roller -4 - .40 S&W / 10mm

    H&K Heckler & Koch

    $19.95
    HK German MP5 40/10 -4 roller 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 complete set for...
    HKP-00337
    $19.95
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    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 VP9A1 K HK VP40
    HKP-18125
    $19.95
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    $19.95
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  • New - HKP HK MR762/417 Titanium Firing Pin - HKP-17768
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    HK417, MR762 Firing Pin - Titanium

    HKP HK Parts

    $49.95
    HK MR762 & HK417 Firing Pin - Titanium Grade 6 weapons grade Titanium manufacture. Made  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 MR 762 & HK417 weapon system. Get the...
    HKP-17768
    $49.95
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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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  • New - H&K HK USP/45/P2000 Sear Axle - HKP-01251
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    HK45, USP, P2000 Sear Axle

    H&K Heckler & Koch

    $13.95
    Sear Axle Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP HK USP Compact LEM HK45 HK45 Compact HK P2000 9mm HK P2000 .40 S&W HK P2000 .357...
    HKP-01251
    $13.95
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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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  • 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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  • 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
    RCM HK MP5K Recoil Rod HK MP5K Recoil Rod Assembly - 9mm

    HK MP5K Recoil Rod Assembly - 9mm

    RCM

    $54.95
    RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible with SP5K with the F-style recoil rod MP5K clones and...
    HKP-22203
    $54.95
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  • New - H&K CC9 Magazine Release & Chassis Pin - HKP-22112
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    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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