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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  • Out Of Stock
    New - RCM HK MP5 Semi Auto Carrier - HKP-20981 HK MP5 Bolt Carrier - Semi Auto

    HK MP5 Bolt Carrier - Semi Auto

    RCM

    $146.95
    RCM HK MP5 Semi Auto Carrier New RCM manufactured MP5, 94 F/A carrier with all current "F" style upgrades and tungsten filled for the best performance and the utmost reliability. Machined completely from billet ordnance grade steel to exact HK German...
    HKP-20981
    $146.95
    Out Of Stock
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    $146.95
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  • On Sale
    New - XS Sight Systems Trituim Front Night Sight 90 Series Standard Dot - HKP-19602 HK MP5, HK90 Series Front Night Sight - Standard Dot - Tritium
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    HK MP5, HK90 Series Front Night Sight - Standard Dot - Tritium

    XS Sights

    Now: $78.95
    Was: $92.95
    XS Sights Tritium Night Sight  - Standard Dot Standard Dot front sights use a patent-pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium. Green is a great option for low light and has a very...
    HKP-19602
    Now: $78.95
    Was: $92.95
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    Was: $92.95
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  • On Sale
    New - Tac Latch - PTR Spec - HKP-17611 PTR Spec Tac Latch
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    PTR Spec Tac Latch

    Other

    Now: $62.95
    Was: $69.95
    Tac Latch (latest Generation) PTR Spec - PTR .308 Firearms The new updated style of Tac latch is made specifically for the PTR 91 .308 receiver and will require very little modification to the firearm for installation. A major overhaul of the existing...
    HKP-17611
    Now: $62.95
    Was: $69.95
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  • New - H&K Trigger Spring For Burst Trigger Packs - HKP-01450
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    HK Trigger Spring - Burst Trigger Packs

    H&K Heckler & Koch

    $8.95
    Burst Pack Trigger Spring - HK German New HK German trigger return spring used on all HK 90 series burst trigger packs. MP5, HK53, G3 burst, 2 or 3 round burst trigger packs. 
    HKP-01450
    $8.95
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    $8.95
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  • Used - H&K MP5/SP5 Rear Sight Sets Complete All 7 Pieces - HKP-02531
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    HK MP5, SP5 Rear Sight Assembly Sets, Complete - All 7 Pieces

    H&K Heckler & Koch

    $129.95
    MP5, SP5, MP5K, & SP5K Rear Sight Set Complete - German HK Each rear sight set includes the entire rear sight assembly & all the mounting hardware for the complete MP5 rear sight assembly.  Each Set Includes The Following German HK...
    HKP-02531
    $129.95
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  • On Sale
    HK416, MR556 Dual Magazine Clamp New - HKP HK416/MR556 Dual Magazine Clamp - HKP-21553-M
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    HK416, MR556 Dual Magazine Clamp

    HKP HK Parts

    Now: $39.95
    Was: $49.95
    HKP HK MR556/416 Dual Magazine Clamp  Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic black, our dual mag clamp is a must for those...
    HKP-21553-M
    Now: $39.95
    Was: $49.95
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  • On Sale
    New - HKP HK P30L Quick Detach Comp Weight™ Compensator - Black - HKP-18153 HK P30L Compensator - Quick Detach - V1
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    HK P30L Compensator - Quick Detach - V1

    HKP HK Parts

    Now: $98.95
    Was: $199.95
    HKP HK P30L Quick Detach Comp Weight™ Compensator Easy on, easy off - Quick Detach technology. The HK Parts P30L Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol frame...
    HKP-18153
    Now: $98.95
    Was: $199.95
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    Was: $199.95
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  • On Sale
    New - HKP Long Sleeve Tee - Black - HKP-21024-M
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    HKP Shirt - Long Sleeve - Black

    HKP HK Parts

    Now: $13.95
    Was: $19.95
    HKP Long Sleeve Tee - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...
    HKP-21024-M
    Now: $13.95
    Was: $19.95
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  • On Sale
    New - Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black - HKP-20230 HK MP5, G3, HK93 Grip Wrap - Granulate - Navy Style Lower
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    HK MP5, G3, HK93 Grip Wrap - Granulate - Navy Style Lower

    Talon Grip

    Now: $16.95
    Was: $19.99
    Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...
    HKP-20230
    Now: $16.95
    Was: $19.99
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  • On Sale
    New - GSG9 HK G36 FBI 0,1 Lower Complete - HKP-20181 HK G36 Lower, Complete - FBI 0,1
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    HK G36 Lower, Complete - FBI 0,1

    GSG9

    Now: $359.95
    Was: $399.95
    HK GSG9 FBI (0,1) Lower for HKG36, HK G36K, and HK G36C New HK US FBI (0,1) G36 lower complete with internals. This is also a popular item for use on the SL8 to G36 conversions. Please note: Do NOT dry fire.
    HKP-20181
    Now: $359.95
    Was: $399.95
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    Now: $359.95
    Was: $399.95
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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Backplate - Painted - HKP-16254 HK33, HK53, HK93 Backplate - Painted

    HK33, HK53, HK93 Backplate - Painted

    H&K Heckler & Koch

    $69.95
    Steel Back Plate For HK93, 33, 53 & MP5, 94- Painted HK Black HK German backplate with the recoil assembly cup guide installed. Each unit comes complete & freshly painted HK Black. Manufactured from German HK backplates with factory tooling...
    HKP-16254
    $69.95
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  • On Sale
    New - RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug - HKP-01162 HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug
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    HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug

    RCM

    Now: $139.95
    Was: $165.00
    RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug This MP5N barrel is made in the USA from Cold Hammer Forged steel, providing top quality and value. It is treated with a durable nitride finish, similar to Sig Sauer's process, for a hard, resilient...
    HKP-01162
    Now: $139.95
    Was: $165.00
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    Now: $139.95
    Was: $165.00
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