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 - 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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    Used - H&K 93/53/33 (5.56/.223) 4 Position Trigger Group Complete (0,1,3,F) - Used - HKP-02065 HK33, HK53, HK93 4 Position Trigger Group Complete (0,1,3,F) - Used

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

    H&K Heckler & Koch

    $2,645.95
    Used HK 93/33/53 4 Position Trigger Group Complete (0,1,3,F). Factory German Push Pin HK Trigger Group.
    HKP-02065
    $2,645.95
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    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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    $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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  • New - HKP MP5 40/10 Low Impulse Locking Piece #24 - HKP-18272 HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm
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    HK MP5 Locking Piece #24 - 90 Degree - Low Impulse - .40 S&W, 10mm

    HKP HK Parts

    $44.95
    MP5 40 & MP5 10mm US Made - Low Impulse Locking Piece Marked (Low #24) For the MP5 40 or 10mm Firearms. Made out of enhanced material and heat treated to spec. The # 24 is the 90 degree locking piece. This is also the standard non hi impulse ammo...
    HKP-18272
    $44.95
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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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  • 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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  • Out Of Stock
    New - H&K MP5K 9mm 3 Position S,E,3F Burst Trigger Group - Push Pin - HKP-02019 HK MP5K Burst Trigger Group -3 Position S,E,3F - Push Pin - 9mm

    HK MP5K Burst Trigger Group -3 Position S,E,3F - Push Pin - 9mm

    H&K Heckler & Koch

    $0.00
    Trigger Group (S,E,3F) - HK MP5K 9mm New factory HK German and rare only a few of these in the country and there will be no more Compatible With: HK MP5K 9mm
    HKP-02019
    $0.00
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    New - Trigger Group (0,1,3) Pictogram - HK MP5 9mm - HKP-02018 HK MP5 Trigger Group - 0,1,3 Pictogram - 9mm

    HK MP5 Trigger Group - 0,1,3 Pictogram - 9mm

    H&K Heckler & Koch

    $0.00
    HK MP5 9mm (0,1,3) Only Pictogram Black Polymer Trigger Group. Rare configuration and hard to find.
    HKP-02018
    $0.00
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  • Out Of Stock
    New - H&K MP5 & MP5K 9mm Ambidextrous 0,1 Trigger Pack - HKP-18209 HK MP5, MP5K Ambidextrous 0,1 Trigger Pack - 9mm

    HK MP5, MP5K Ambidextrous 0,1 Trigger Pack - 9mm

    H&K Heckler & Koch

    $0.00
    H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Trigger Pack Introducing the popular FBI or 0,1 style ambidextrous trigger pack, now available in a fully German-manufactured configuration. This trigger pack is designed for use with ambidextrous grip...
    HKP-18209
    $0.00
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    Used - HK Locking Roller -4 , 7.96mm - HKP-17558 HK Locking Roller -4 , 7.96mm

    HK Locking Roller -4 , 7.96mm

    HKP HK Parts

    $8.95
    7.96mm - Undersized -4 Roller For HK Roller Lock Bolt HeadHK spec under-sized roller that will fit all HK bolt heads including HK91/G3, HK93/33/53, HK94, MP5, SP89 all clones and the Cetme & Cetme clones. An easy way to remember the size you need to...
    HKP-17558
    $8.95
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    $8.95
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