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 - RCM HK SP5K Semi Auto Carrier - HKP-20983 HK SP5K Carrier - Semi Auto
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    HK SP5K Carrier - Semi Auto

    RCM

    $159.95
    RCM HK SP5K Semi Auto Carrier SP5K semi-auto carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K  specs and more. Tungsten filled, heat treated, phosphate finish and all...
    HKP-20983
    $159.95
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    $159.95
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  • On Sale
    New - HKP HK P2000SK Compensator for Threaded Barrel - HKP-20884 HK P2000SK Compensator for Threaded Barrel
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    HK P2000SK Compensator for Threaded Barrel

    HKP HK Parts

    Now: $134.95
    Was: $189.95
    HKP HK P2000SK Compensator for Threaded Barrel The HK Parts P2000SK compensator will add a sleek and tactical look to your P2000SK. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...
    HKP-20884
    Now: $134.95
    Was: $189.95
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    Now: $134.95
    Was: $189.95
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  • On Sale
    New - HKP Racerback - Mint - HKP-21029-M HKP Racerback Tank - Mint
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    HKP Racerback Tank - Mint

    HKP HK Parts

    Now: $7.46
    Was: $14.95
    HKP Racerback Tank - Mint Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this racerback is certain to catch an eye at the range!  Features: Female fit Fine cotton High fidelity DTG...
    HKP-21029-M
    Now: $7.46
    Was: $14.95
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    Now: $7.46
    Was: $14.95
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  • Out Of Stock
    New - Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete - HKP-20627 HK UMP .45 Semi-Auto Bolt Group - Complete

    HK UMP .45 Semi-Auto Bolt Group - Complete

    Michaels Machines

    $749.95
    Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete MM’s UMP Tungsten filled UMP .45 bolt carrier complete. Heat treated, parkarized and polished for the best look and function possible, as an added bonus it now includes German HK...
    HKP-20627
    $749.95
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    $749.95
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  • New - Michaels Machines HK UMP .40 Semi-Auto Bolt Group - Complete - HKP-20626 HK UMP .40 Semi-Auto Bolt Group - Complete
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    HK UMP .40 Semi-Auto Bolt Group - Complete

    $649.95
    Michaels Machines HK UMP .40 Semi-Auto Bolt Group - Complete MM’s UMP tungsten filled UMP .40 bolt carrier. Heat treated, parkarized and polished for the best look and function possible, as an added bonus it now includes German HK internals which...
    HKP-20626
    $649.95
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    $649.95
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  • Used - HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - USED - HKP-20618 HK MP5 40/10 SEF Navy Style Housing - Clipped and Pinned - USED
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    HK MP5 40/10 SEF Navy Style Housing - Clipped and Pinned - USED

    H&K Heckler & Koch

    $99.95
    HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - USED  A perfect upgrade for your HK MP5 40/10 build. This is the only SEF style housing available for the MP5 40/10 family of firearms. Each housing is professionally clipped and pinned...
    HKP-20618
    $99.95
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    $99.95
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  • New - RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 RH - HKP-20606 HK Mark 23 Tactical Barrel - .45 ACP - 5.87" - Threaded 16x1 RH
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    HK Mark 23 Tactical Barrel - .45 ACP - 5.87" - Threaded 16x1 RH

    RCM

    $269.95
    RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 RH US made HK Mark 23 tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors.  Specifications: Made In The USA Double Stress Relieved Nitrided Finish To...
    HKP-20606
    $269.95
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    $269.95
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  • New - Franklin Armory MP5 40/10 Binary Trigger Group - Ambi 3 Position Universal Housing - HKP-20085 HK MP5 Binary Trigger Group - 10mm and .40 S&W - Ambi 3 Position Universal Housing
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    HK MP5 Binary Trigger Group - 10mm and .40 S&W - Ambi 3 Position Universal Housing

    H&K Hechler & Koch / FA Franklin Armory

    $1,399.95
    Franklin Armory BFSIII HK-C1 - Trigger Group For  MP5 .40/10mm- Universal Housing Our universal binary trigger group will come set up as a MP5 40/10, but with our Navy 3 position universal housing you will be able to install in a MP5/SP5, HK 93,...
    HKP-20085
    $1,399.95
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    $1,399.95
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  • New - H&K HK G36, HK SL8 Forearm With Mounting Points - HKP-01420
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    HK G36, SL8 Handguard - Side, Bottom Mounting

    H&K Heckler & Koch

    $279.95
    HK German G36 & HK SL8 Forearm With Rail Mounting Points Newer style that has the hard mounting points for the side and bottom rails. HK Black In Color. Compatible with all HK SL8's & G36E's models.
    HKP-01420
    $279.95
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    $279.95
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  • New - B&T TP9/MP9 Locking Bar Folding Stock - Black - HKP-17302
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    B&T TP9, MP9 Folding Stock Locking Bar

    B&T Brugger & Thomet

    $19.95
    B&T TP9 and MP9 Locking Bar Folding Stock Locking Bar for Swiss B&T manufactured Tactical Folding Stock for the TP9 and MP9. Compatible With: B&T TP9 B&T MP9
    HKP-17302
    $19.95
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    $19.95
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  • New - H&K VP9SK Right Side Grip Panel - Small - OD Green - HKP-18956 HK VP9SK Grip Panel Right Side - Small - OD Green
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    HK VP9SK Grip Panel Right Side - Small - OD Green

    H&K Heckler & Koch

    $19.95
    H&K VP9SK Right Side Grip Panel - Small - OD Green New HK German manufactured. Right side small Size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    HKP-18956
    $19.95
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    $19.95
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  • New - H&K VP9SK Left Side Grip Panel - Small - OD Green - HKP-18957 HK VP9SK Grip Panel Left Side - Small - OD Green
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    HK VP9SK Grip Panel Left Side - Small - OD Green

    H&K Heckler & Koch

    $19.95
    H&K VP9SK Left Side Grip Panel - Small - OD Green New HK German manufactured. Left side small size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK
    HKP-18957
    $19.95
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    $19.95
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