Parts

Parts

At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.

Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.

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  • New - MM HK 23E (5.56/.223) Belt Box - HKP-17579
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    HK23E Ammunition Belt Box - 5.56 / .223 - US

    Michaels Machines

    $599.95
    HK23E & MM23E Belt Box Brand new HK23E, MM23E US made feed box. The German units have long since been out of production. These are exact copies of the German units. Made in the USA. Compatible With: MM23E HK23E
    HKP-17579
    $599.95
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    $599.95
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  • Out Of Stock
    New - H&K PSG1/MSG90 (7.62x51/.308) Bolt Carrier - HKP-00538 HK PSG1, MSG90 Bolt Carrier

    HK PSG1, MSG90 Bolt Carrier

    H&K Heckler & Koch

    $999.95
    HK German MSG90/PSG1 Bolt Carrier. Rare and hard to find. Now restricted by HK and will only become harder to find.
    HKP-00538
    $999.95
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    $999.95
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  • Out Of Stock
    Used - H&K G3K/51 (7.62x51/.308) Rear Sight Drum - HKP-02049

    HK G3K, 51 Rear Sight Drum - 7.62 / .308

    H&K Heckler & Koch

    $104.95
    HK German G3K, HK51, SL6, & SL7 Rear Sight Drum Hard to find and no longer made or imported. Compatible With: G3K HK51 SL6 SL7
    HKP-02049
    $104.95
    Out Of Stock
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    $104.95
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  • Used - H&K 91/G3 (7.62x51/.308) Complete Bolt Head - Used - HKP-00206 HK91, G3 Complete Bolt Head - Used
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    HK91, G3 Complete Bolt Head - Used

    H&K Heckler & Koch

    $179.95
    German HK G3 & HK 91 & PTR Bolt Head Complete - Used German "IC" Date Coded Made On HK tooling & prints in Germany in 1983 . Each used bolt head is complete with all parts installed & 100% functional. Taken from live demilled German HK G3...
    HKP-00206
    $179.95
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    $179.95
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  • New - H&K 33/53 (5.56/.223) Picatinny Rail For Barrel Shroud - HKP-18993 HK33, HK53 Picatinny Rail for Barrel Shroud
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    HK33, HK53 Picatinny Rail for Barrel Shroud

    H&K Heckler & Koch

    $199.95
    HK Picatinny Rail for HK33, HK 53 Barrel Shroud The Picatinny rail mounts directly onto the HK33, and HK53 barrel shroud, providing extra space for attaching accessories.  Compatible with: HK33 HK53 In-spec. clones and custom builds
    HKP-18993
    $199.95
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    Qty in Cart: 0
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    $199.95
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  • Out Of Stock
    New - H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) 1200 Meter Rear Sight - 3rd Generation - HKP-00561 HK33, HK53, HK93, HK91, G3 1200 Meter Rear Sight - 3rd Generation

    HK33, HK53, HK93, HK91, G3 1200 Meter Rear Sight - 3rd Generation

    H&K Heckler & Koch

    $0.00
    HK German 3rd Gen 1200 Meter Rear Sight. New HK German Manufacture. No longer in production
    HKP-00561
    $0.00
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  • Out Of Stock
    Used - H&K 93/53/33 (5.56/.223) 4 Position Trigger Group Complete (0,1,3,F) - Used - HKP-02065 HK33, HK53, HK93 Trigger Group, Complete - 4 Position 0,1,3,F - Used

    HK33, HK53, HK93 Trigger Group, Complete - 4 Position 0,1,3,F - Used

    H&K Heckler & Koch

    $2,645.95
    Heckler and Koch Used 4 Position Trigger Group Complete (0,1,3,F) for HK33, HK53, HK93  Factory German Push Pin HK Trigger Group.
    HKP-02065
    $2,645.95
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    $2,645.95
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  • Out Of Stock
    Used - H&K 93/53/33 (5.56/.223) Rear Receiver Section - HKP-16481 HK33, HK53, HK93 Rear Receiver Section

    HK33, HK53, HK93 Rear Receiver Section

    H&K Heckler & Koch

    $79.95
    H&K 93/53/33 (5.56/.223) Rear Receiver Section Each rear receiver section is from a factory German HK 33/53 that was demilled and includes the welded on rear sight base and push pin bushing intact.
    HKP-16481
    $79.95
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  • New - RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH - HKP-02400 HK53K Barrel - 5.56 / .223 - 5.3" - Threaded 15x1 RH
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    HK53K Barrel - 5.56 / .223 - 5.3" - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH US made 922r compliant HK53K barrel.  Specifications: Made In The USA Threaded 15x1 RH Counts As 1 US Made 922r Compliant Part Cold Hammer Forged Steel (CHF) Built To HK Germany...
    HKP-02400
    $164.95
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    Qty in Cart: 0
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    $164.95
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  • New - H&K MP5K 40/10 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin - HKP-15455 HK MP5K Trigger Housing - 4 Position 0,1,3,F Pictogram - Push Pin - .40 S&W, 10mm
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    HK MP5K Trigger Housing - 4 Position 0,1,3,F Pictogram - Push Pin - .40 S&W, 10mm

    H&K Heckler & Koch

    $249.95
    H&K MP5K 40/10 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This factory HK German push pin housing features a 4 position pictogram (0,1,3,F), designed specifically for the MP5K. It is a new, unmodified grip frame that has not been...
    HKP-15455
    $249.95
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    $249.95
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  • New - H&K MP5K 40/10 4 Position (0,1,3,F) Trigger Housing - Clipped & Pinned - HKP-02414 HK MP5K Trigger Housing - 4 Position 0,1,3,F - Clipped and Pinned - .40 S&W, 10mm
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    HK MP5K Trigger Housing - 4 Position 0,1,3,F - Clipped and Pinned - .40 S&W, 10mm

    H&K Heckler & Koch

    $374.95
    H&K MP5 40/10 4 Position (0,1,3,F Pictogram) Trigger Housing - Clipped & Pinned This H&K MP5 40/10 trigger housing features a 4 position pictogram (0,1,3,F) and a bolt hold open cutout. The housing is clipped and pinned for secure attachment...
    HKP-02414
    $374.95
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    $374.95
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  • Out Of Stock
    New - H&K MP5 40/10 Complete Ambidextrous Navy Trigger Pack - HKP-00980 HK MP5 Trigger Pack, Complete - Ambi Navy -.40 S&W, 10mm

    HK MP5 Trigger Pack, Complete - Ambi Navy -.40 S&W, 10mm

    H&K Heckler & Koch

    $0.00
    H&K MP5 40/10 3 Position Ambidextrous Navy Style Complete Trigger Pack Enhance your MP5 with the 3 Position Ambidextrous Navy Trigger Pack, featuring Safe, Semi, and Full (Navy) positions. This complete trigger pack is designed to fit your MP5...
    HKP-00980
    $0.00
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    $0.00
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