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 HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm - HKP-08951 H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm H&K Heckler & Koch HKP-08951
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    HK416, MR556, HK417, MR762 Rear Sight - Flip Up - 2mm

    H&K Heckler & Koch

    $274.95
    H&K HK MR556/MR762/416/417 Flip Up Rear Sight - 2mm This sight attaches to any standard Picatinny rail. No hardware is needed as this is a self-contained quick-attach rear sight assembly. This unique HK-designed sight features a quick and easy push...
    HKP-08951
    $274.95
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  • New - GSG German Sports Guns Flip Front & Rear Sight Set Complete - HKP-18772 GSG German Sports Guns Flip Front & Rear Sight Set Complete GSG German Sports Guns HKP-18772
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    Flip Front and Rear Sight Set Complete

    GSG German Sports Guns

    $179.95
    GSG German Sports Guns Flip Front & Rear Sight Set Complete New MP7A1 style flip up front & rear sight set. Includes iron sights (folded down) for low profile sighting system and can also be deployed in the flipped up position for longer distance...
    HKP-18772
    $179.95
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  • New - HKP HK MP5/MP5K Extractor - Enhanced Coated Polish - HKP-22181-M HK MP5, MP5K Extractor - Coated and Polished
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    HK MP5, MP5K Extractor - Coated and Polished

    HKP HK Parts

    $44.95
    HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished  Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...
    HKP-22181-M
    $44.95
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    $44.95
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  • New - H&K MR556/MR762 A4 45 Degree Ambi Safety Lever - HKP-22034 HK MR556, MR762 A4 45 Degree Ambi Safety Lever
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    HK MR556, MR762 A4 45 Degree Ambi Safety Lever

    H&K Heckler & Koch

    $52.00
    H&K MR556/MR762 A4 45 Degree Ambi Safety Lever Genuine H&K ambidextrous 45-degree safety lever for MR556 and MR762 A4 rifles. Includes: Right safety lever Left safety lever Safety lever clamping sleeve Compatible With: HK...
    HKP-22034
    $52.00
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    $52.00
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  • New - Comp-Tac QB Ambidextrous Universal Belt Holster - Black - HKP-19853 Universal Belt Holster - QB Ambidextrous
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    Universal Belt Holster - QB Ambidextrous

    Comp-Tac

    $54.95
    QB Belt Holster - Ambidextrous - Universal - VP9, VP40, P30, USP, P2000, HK45 Finally- one holster to cover your whole HK Collection. Comp-Tac spent years researching the dimensional difference between various HK pistols and designed a precision fitted,...
    HKP-19853
    $54.95
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  • New - H&K HK Mark 23 Extractor - HKP-01408 HK Mark 23 Extractor
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    HK Mark 23 Extractor

    H&K Heckler & Koch

    $79.95
    HK German Mark 23 SOCVOM Extractor New HK German manufacture. This item is no longer being made and is a great spare part to have on hand. Compatible With: Mark 23 SOCOM pistols
    HKP-01408
    $79.95
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  • New - HK P30SK 9mm Complete Recoil Spring Assembly - HKP-17938
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    HK P30SK 9mm Complete Recoil Spring Assembly

    H&K Heckler & Koch

    $64.95
    HK P30SK 9mm Complete Recoil Spring Guide Rod Assembly Brand new HK German manufacture. Compatible With: P30SK 9mm
    HKP-17938
    $64.95
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  • Out Of Stock
    New - Trijicon HK P2000/P2000SK HD Night Sight Set - Orange - HKP-14963

    HK P2000,P2000SK HD Night Sight Set - Orange

    Trijicon

    $154.99
    Trijicon HK P2000/P2000SK HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set front sight features a taller blade and an aiming point...
    HKP-14963
    $154.99
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  • On Sale
    New - HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH - HKP-02188 HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH
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    HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH

    USA

    Now: $47.95
    Was: $74.95
    HKP .45 ACP 4 Prong Pistol Flash Hider - Threaded .578x28 RH This flash hider adds a neat look & feel that provides outstanding flash hiding capabilities. Perfect for adding a unique look to your .45 ACP. Made in the USA, each flash hider is made of...
    HKP-02188
    Now: $47.95
    Was: $74.95
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    Now: $47.95
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  • New - Surefire 12-Pack 123A Batteries - HKP-02711
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    12-Pack 123A Batteries

    Surefire

    $29.95
    Surefire 12-Pack 123A Batteries Made in the USA and the "gold standard" in battery performance. These are the best performance, longest lasting 123 batteries available. The price is for a box of 12 new batteries. Ideal for use with lasers, lights,...
    HKP-02711
    $29.95
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  • New - H&K HK MR556/MR762/416 Trigger Guard Assembly - HKP-02545 HK416, MR556, MR762 Trigger Guard Assembly
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    HK416, MR556, MR762 Trigger Guard Assembly

    H&K Heckler & Koch

    $52.95
    H&K HK MR556/MR762/416 Trigger Guard Assembly New HK German part that protects the trigger from an accidental discharge. Compatible With:  HK MR556 HK 416 HK MR762
    HKP-02545
    $52.95
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  • New - HK G36 Backplate Complete w/ Recoil Assembly - HKP-18537 HK G36 Backplate, Complete - Recoil Buffer and Assembly
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    HK G36 Backplate, Complete - Recoil Buffer and Assembly

    USA

    $84.95
    HK G36 Backplate Complete With Recoil Assembly New G36 Backplate with new G36/SL8 recoil buffer and recoil assembly. This assembly does include the recoil rod retaining screw. This is a great spare or replacement to have on hand. These are also required...
    HKP-18537
    $84.95
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