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 24 Round HK VP9, P30 9mm Complete Magazine - Black - HKP-19457
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    HKP 24 Round HK VP9, P30 9mm Complete Magazine

    HKP HK Parts

    $89.95
    24 Round Magazine Complete - 9mm - HK PARTS - HK VP9, HK P30 Drop-in magazine ready to go! HK Parts takes an existing 17 round magazine and a +7 magazine extension to assemble them into a working 24 round magazine.  Compatible With: HK VP9, VP9...
    HKP-19457
    $89.95
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  • New - HKP HK 91/G3 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts - HKP-17949 HK91, G3 US Made Trigger Pack - 4 U.S. 922 Parts
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    HK91, G3 US Made Trigger Pack - 4 U.S. 922 Parts

    HKP HK Parts

    $249.95
    HKP/H&K G3/91 (7.62x51/.308) US Made Trigger Pack - 4 U.S. 922 Parts HK G3, 91 & PTR .308 Semi Auto Trigger Pack Complete. Works with all 7.62 & .308 HK style firearms. Each trigger group incorporates the following US made compliant parts...
    HKP-17949
    $249.95
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  • New - HKP MP5K/SP89/SP5K Recoil Rod Assembly - USA - HKP-02169
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    HK MP5K, SP89, SP5K Recoil Rod Assembly - USA

    DTAC Dakota Tactical

    $34.95
    HKP MP5K, SP89, & SP5K Recoil Rod Assembly - USA The new US-made Dakota Tactical recoil rod assembly is completely micro-polished and built of the finest materials. This is a great item to have on hand as a spare part as this is a wear and...
    HKP-02169
    $34.95
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  • New - HK Parts MP5/K SP5/K Folding Stock Buffer - HKP-20833 HK Parts MP5/K SP5/K Folding Stock Buffer
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    HK Parts MP5/K SP5/K Folding Stock Buffer

    HKP HK Parts

    $9.95
    HK Parts MP5/SP5/MP5K/SP5K Folding Stock Buffer This item used to replace the factory HK buffer on MP5K folding stocks and end cap. This is only usable on the factory OEM stock and end cap. This buffer can also be used as a replacement buffer for all of...
    HKP-20833
    $9.95
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  • New - H&K HK MR556/MR762/416/417 Buffer Retaining Pin - HKP-02544
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    HK416, HK417, MR556, MR762 Buffer Retaining Pin

    H&K Heckler & Koch

    $15.95
    H&K HK MR556/MR762/416/417 Buffer Retaining Pin New HK German proprietary HK designed buffer pin unique to the HK 416 and MR 556 series.  Compatible With: HK MR556 HK 416 HK MR762 HK M27
    HKP-02544
    $15.95
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  • Used - H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED - HKP-19787 HK MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
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    HK MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED

    H&K Heckler & Koch

    $89.95
    H&K MP5 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...
    HKP-19787
    $89.95
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  • Out Of Stock
    New - MM HK 33/91/93/G3 5.56/.223 & 7.62x51/.308 Clubfoot With Heavy Rubber Buttpad - HKP-01144 HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad

    HK33, HK93, HK91, G3 Clubfoot Stock With Heavy Rubber Buttpad

    Michaels Machines

    $229.95
    US-Made Clubfoot (21E/23E Style) Central Buttstock Section With US Heavy Rubber Buttpad Fits all HK 91/G3/21/23 and HK93/33/53 backplates and buffers. Just add your buffer and backplate and you are good to go. Great replacement or upgrade for your HK...
    HKP-01144
    $229.95
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  • New - Strike Industries HK VP9 +5 Extended 9mm Magazine Plate - HKP-19607 HK VP9 +5 Extended 9mm Magazine Plate
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    HK VP9 +5 Extended 9mm Magazine Plate

    Strike Industries

    $19.95
    Strike Industries HK VP9 +5 Extended 9mm Magazine Plate The Strike Industries Extended Magazine Plate for HK VP9 was designed to provide smoother magazine reloading through a slow drag / no snag design while maintaining maximum magazine capacity. The...
    HKP-19607
    $19.95
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  • New - Trijicon, HKP HK MP5 3.25 MOA / Optic Mount Bundle - Black - HKP-20732 HK MP5, SP5K Optic Mount - Trijicon RMR - 3.25 MOA
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    HK MP5, SP5K Optic Mount - Trijicon RMR - 3.25 MOA

    Trijicon

    $624.95
    RMR Optic Mount - Bundle - HK MP5 Includes:  (1) Trijicon RMR Type 2 Red Dot Sight - 3.25 MOA Red Dot, LED Illuminated (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes...
    HKP-20732
    $624.95
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    $624.95
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  • New - HKP Ambi Housing Franklin Armory Binary Selector Set - HKP-19816 HK Binary Selector Set - Ambi Housing
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    HK Binary Selector Set - Ambi Housing

    HKP HK Parts

    $79.95
    Aluminum HK Selector Lever Set for BFSIII HK Binary Trigger Pack - Ambi pictogram housings Our new Aluminum Selector Lever Set was modeled after the HK Ambi Style Selector Lever. Designed to work  flawlessly with  Franklin Armory Trigger Pack...
    HKP-19816
    $79.95
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  • New - H&K MP5, HK94, MP5K & SP89 9mm Magazine Follower - HKP-01050 HK MP5, MP5K, HK94K, SP89 Magazine Follower - 9mm
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    HK MP5, MP5K, HK94K, SP89 Magazine Follower - 9mm

    H&K Heckler & Koch

    $22.95
    HK MP5, MP5K 9mm Magazine Follower Factory chrome follower will work with all HK MP5 9mm curved magazines. This is a new HK German OEM part. 40 Round 30 Round 15 Round 10 Round
    HKP-01050
    $22.95
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  • New - Kershaw Cryo II 3 3/8" Knife - HKP-20338 Kershaw Cryo II 3 3/8" Knife
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    Kershaw Cryo II 3 3/8" Knife

    Kershaw

    $78.95
    Kershaw Cryo II 3 3/8" Knife The award-winning Cryo is also available in a 20% larger size. Designed by Rick Hinderer, the Cryo II has a bigger 3.25-inch, assisted opening blade. This larger sized Cryo II was built for those who simply demand more from...
    HKP-20338
    $78.95
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