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 - HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - HKP-18052
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    HK MP5SD Parts Kit - Pistol Build - 9mm - Receiver Flat and Weldment Set

    HKP HK Parts

    $2,249.95
    HKP HK MP5SD Kit - Pistol Build - 9mm  MP5SD 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts. This is the first time that these iconic kits have been...
    HKP-18052
    $2,249.95
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  • HK91, G3, PTR Magazine - 20 Round - Aluminum - Like New - FMP HK91, G3, PTR Magazine - 20 Round - Aluminum - Like New - FMP
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    HK91, G3, PTR Magazine - 20 Round - Aluminum - Like New - FMP

    FMP HK CONTRACT

    $17.95
    FMP Portuguese HK91, G3, PTR 20 Round Aluminum Magazine - Like New Portuguese FMP 20-round aluminum magazine for HK91, G3, and PTR pattern rifles. A solid factory-style magazine option for range use, replacement needs, or adding extra mags to your setup...
    HKP-22558
    $17.95
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  • Out Of Stock
    HK416, MR556, HK417, MR762 Selector Lever - Ambi - Left

    HK416, MR556, HK417, MR762 Selector Lever - Ambi - Left

    H&K Heckler & Koch

    $11.95
    Heckler & Koch HK416 Ambi Safety Selector Lever Factory HK polymer left side selector lever.  Compatible With: HK416 A1/A3 HK MR556 A1 HK417 HK MR762 A1  
    HKP-22310
    $11.95
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  • Out Of Stock
    HK MP5, MP5K Cocking Handle - Skeletonized HK MP5, MP5K Cocking Handle - Skeletonized

    HK MP5, MP5K Cocking Handle - Skeletonized

    HKP HK Parts

    $45.95
    HKP HK MP5, MP5K Extended Cocking Handle - Skeletonized Skeletonized extended cocking handle for MP5 & MP5K firearms. Designed to also function with UTG monolithic M-LOK handguards.  Made from solid steel billet and nitrided for a robust finish...
    HKP-22273
    $45.95
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  • New - Lazy Wolf HK P30 & P2000 SA/DA Spartan Hammer - V2 - HKP-22187-M HK P30, P2000 SA/DA Spartan Hammer - V2
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    HK P30, P2000 SA/DA Spartan Hammer - V2

    Lazy Wolf

    $148.95
    Lazy Wolf HK P30 & P2000 SA/DA Spartan Hammer - V2 Transform the feel and look of your HK P30 or P2000 Single Action/Dual Action pistol with the Lazy Wolf Guns Skeletonized Spartan Hammer.  Redesigned geometry yields a superiorly smooth and...
    HKP-22187-M
    $148.95
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  • New - H&K VP9OR Elevated Night Sight - HKP-22019 HK VP9 Elevated Night Sight
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    HK VP9 Elevated Night Sight

    H&K Heckler & Koch

    $94.95
    H&K VP9OR Elevated Night Sight Tritium front sight with high visibility ring and tritium rear sight. Fits all VP Optic Ready models. Lower 1/3 Co-Witness with Trijicon RMR. Compatible With: HK VP9 Optic Ready HK VP9SK Optic...
    HKP-22019
    $94.95
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  • New - HKP Torx Binary Upgrade Screw Set - HKP-21816
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    HK Torx Screw Set for Binary Selector Lever - Upgrade

    HKP HK Parts

    $2.95
    HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set.  Torx hardware is less likely to strip than standard allen key hardware.  Good spares to have on hand as well. Note: Each set comes with 2 screws.
    HKP-21816
    $2.95
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  • Out Of Stock
    New - B&T HK MP5/MP5K QD/QO Brass Catcher - HKP-21315 HK MP5, MP5K Brass Catcher - QD,QO

    HK MP5, MP5K Brass Catcher - QD,QO

    B&T Brugger & Thomet

    $264.95
    B&T HK MP5/MP5K QD/QO Brass Catcher Works with HK MP5 only with the BT-21358 handguard or for the BT-21573 handguard for the MP5K. Compatible With: HK MP5/MP5K HK SP5/HK SP5K Clones
    HKP-21315
    $264.95
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  • New - Comp-Tac HK VP9L Lever + Compensator + Align Tactical Holster – Right Hand - HKP-20979 HK VP9L Tactical Holster, Lever, and Compensator  – RH
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    HK VP9L Tactical Holster, Lever, and Compensator – RH

    Comp-Tac

    $89.95
    Comp-Tac HK VP9L Lever + Compensator + Align Tactical Holster – Right Hand This custom made Comp-Tac International OWB holster is for your HK VP9L pistol and it that allows you to have the align tactical takedown lever & our HK parts...
    HKP-20979
    $89.95
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  • New - HKP HK VP9/VP9L Optics Plate #6 Sig Romeo - HKP-19704-M HK VP9 Optic Plate #6 - Sig Romeo 1 - Red Dot Pistol Mount
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    HK VP9 Optic Plate #6 - Sig Romeo 1 - Red Dot Pistol Mount

    HKP HK Parts

    $29.95 - $39.95
    HKP HK VP9/L 9mm Sig Romeo Optics Plate #6 The finest lightweight aluminum mounting solution for your HK VP9 OR model. New solid billet machined aluminum optics plate for the Sig Romeo 1 optic. Each plate is CNC machined from a solid billet of ordnance...
    HKP-19704-M
    $29.95 - $39.95
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  • New - RCM HK VP9SK 9mm Tactical Barrel - Threaded 13.5x1 LH - HKP-19262 HK VP9SK Tactical Barrel - 9mm - Threaded 13.5x1 LH
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    HK VP9SK Tactical Barrel - 9mm - Threaded 13.5x1 LH

    RCM

    $225.00
    RCM HK VP9SK 9mm Tactical Barrel - Threaded 13.5x1 LH   Each VPSK Tactical barrel is machined from ordnance grade steel, heat treated then nitrided inside and out. This is the finest threaded replacement barrel for the HK VP9SK 9mm pistol, ideal as...
    HKP-19262
    $225.00
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  • New - USA HK G36, HK SL8 Magazine Paddle Release - HKP-18222 HK G36, SL8 Paddle Magazine Release
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    HK G36, SL8 Paddle Magazine Release

    USA

    $17.95
    US Magazine Paddle Release for HK G36 and HK SL8 HK G36 Mag Release or mag catch.  Compatible With: SL8 G36 G36K G36C
    HKP-18222
    $17.95
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