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 - PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw - HKP-16743
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    HK MP5, MP5K, HK93, HK91 Handguard Retainer Screw - Tactical, Keymod, and M-LOK

    PTR

    $4.95
    PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.
    HKP-16743
    $4.95
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    $4.95
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  • Out Of Stock
    New - H&K HK45/USP Thread Protector - HKP-21995 HK45T, USPC Tactical Thread Protector - 16x1mm LH

    HK45T, USPC Tactical Thread Protector - 16x1mm LH

    H&K Heckler & Koch

    $30.95
    H&K HK45T/USP45T Thread Protector The HK thread protector is a must have accessory when a sound suppressor or muzzle attachment is not in use on your tactical pistol. The thread protector will prevent damages to the threads and crown. Compatible...
    HKP-21995
    $30.95
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  • New - HKP HK VP9/HK P30 Enhanced Magazine Extension Kit +5 - HKP-21404-M HK VP9, P30 Enhanced Magazine Extension Kit +5
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    HK VP9, P30 Enhanced Magazine Extension Kit +5

    HKP HK Parts

    $64.95
    Magazine Extension Kit +5 - HK VP9, HK P30 Latest and greatest VP9/P30 Enhanced magazine extension. Our new design was made to give our current magazine extension a more aggressive look and a overall better functionality. With the added features all...
    HKP-21404-M
    $64.95
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    $64.95
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  • New - Grayguns HK P7M8, PSP, P7M13 Trigger Return Spring - HKP-19760
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    HK P7M8, PSP, P7M13 Trigger Return Spring

    Grayguns

    $35.00
    Grayguns HK P7M8, PSP, P7M13 Trigger Return Spring The Grayguns HK P7 Trigger Return Spring was designed due to the dwindling availability of parts for the highly popular Heckler & Koch P7.  The Grayguns spring is a direct replacement for the...
    HKP-19760
    $35.00
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    $35.00
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  • New - H&K Tactical Pistol Bag - Large - Black with Red Logo - HKP-20468 HK Tactical Pistol Bag - Large - Black with Red Logo
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    HK Tactical Pistol Bag - Large - Black with Red Logo

    H&K Heckler & Koch

    $69.95
    H&K Tactical Pistol Bag - Large - Black with Red Logo Keep your handgun safe and secure with the HK tactical nylon case. This heavy duty case will accommodate two pistols, accessories and two magazines. Includes movable, velcro-backed modular double...
    HKP-20468
    $69.95
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  • New - H&K VP9/VP9SK, HK VP40 Firing Pin w/ Striker - HKP-16833 HK VP9, VP9SK, VP40 Firing Pin with Striker
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    HK VP9, VP9SK, VP40 Firing Pin with Striker

    H&K Heckler & Koch

    $59.95
    H&K VP9/VP9SK, HK VP40 Firing Pin w/ Striker New HK German factory firing pin that fits all models of VP series pistols. Compatible With: HK VP9, VP9 Tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 Tactical
    HKP-16833
    $59.95
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    $59.95
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  • New - H&K HK MR762/417/G28 Adjustable Buttstock Set - RAL 8000 - HKP-16760 HK417, MR762, G28 Buttstock Set - Adjustable - RAL8000
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    HK417, MR762, G28 Buttstock Set - Adjustable - RAL8000

    H&K Heckler & Koch

    $589.95
    H&K HK MR762, HK417, G28 Adjustable Buttstock Set - RAL 8000 HK G28 adjustable stock kit complete with the necessary parts convert a stock MR762 or HK417 to G28 spec.  Includes: G28 fully adjustable stock G28 buffer tube/receiver extension G28...
    HKP-16760
    $589.95
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    $589.95
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  • Out Of Stock
    New - H&K HK USP Recoil Spring Washer Retainer - HKP-17060 HK USP Recoil Spring Washer Retainer - Front

    HK USP Recoil Spring Washer Retainer - Front

    H&K Heckler & Koch

    $14.95
    H&K HK USP Recoil Spring Washer Retainer This is the tapered washer that supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical Models HK Elite, Expert,...
    HKP-17060
    $14.95
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  • New - H&K HK Pistol Trigger Axle - HKP-01806
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    HK Pistol Trigger Axle

    H&K Heckler & Koch

    $9.95
    HK Pistol Trigger Axle Compatible With: HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK P30 HK P30L HK P30SK HK P2000 HK P2000SK HK45 HK45 Compact
    HKP-01806
    $9.95
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    $9.95
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  • New - H&K HK MR556/MR762/416 Extractor Spring Buffer - HKP-00051
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    HK416, MR556, MR762 Extractor Spring Buffer

    H&K Heckler & Koch

    $14.95
    H&K HK MR556/MR762/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 HK 416 HK MR762
    HKP-00051
    $14.95
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  • Out Of Stock
    New - H&K MP5/SP5/MP5K/SP5K Soft Gun Case - HKP-17428 MP5, MP5K Soft Gun Case - 29"

    MP5, MP5K Soft Gun Case - 29"

    H&K Heckler & Koch

    $139.95
    HK Factory 29" MP5/SP5 Soft Tactical Case with HK Logo Compatible With: HK MP5/SP5 HK MP5K/SP5K Similar size firearms  
    HKP-17428
    $139.95
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    $139.95
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  • New - H&K MP5F & MP5 40,10 Recoil Rod Assembly - HKP-00133 HK MP5 Recoil Rod Assembly - Complete
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    HK MP5 Recoil Rod Assembly - Complete

    H&K Heckler & Koch

    $79.95
    German HK MP5F Recoil Assembly This is the factory-correct MP5F or MP5 40/10 Recoil Rod assembly. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for all MP5 40 or 10-mm bolt groups. A great upgrade to have...
    HKP-00133
    $79.95
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    $79.95
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