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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  • Used - H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - USED - HKP-19802 HK MP5 HK33, HK53, HK93 Housing - SEF Navy Style - Polymer - Push Pin - 9mm,  5.56 / .223 - USED
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    HK MP5 HK33, HK53, HK93 Housing - SEF Navy Style - Polymer - Push Pin - 9mm, 5.56 / .223 - USED

    H&K Heckler & Koch

    $64.95
    H&K MP5 & 93/53/33 (9mm & 5.56/.223) SEF Navy Style Polymer Housing - Push Pin - USED With the availability of available grip frames being hard to find these days. HK Parts has another offering that will not break the bank. Pulled from...
    HKP-19802
    $64.95
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  • New - HKP HK VP9 Optics Plate #9 - Trijicon RMR CC Optic Mount - HKP-20027 HK VP9 Optic Plate #9 - Trijicon RMR CC - Red Dot Pistol Mount
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    HK VP9 Optic Plate #9 - Trijicon RMR CC - Red Dot Pistol Mount

    HKP HK Parts

    $49.95
    HK VP9 Series Optics Ready #9 - Trijicon RMR CC - Optic Mount - Steel Each plate is CNC machined from a solid billet of ordnance grade steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2 X T20...
    HKP-20027
    $49.95
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  • New - H&K HK MR556/MR762/416/417 Battle Grip w/ Storage - RAL 8000 - HKP-18584 HK416, MR556, HK417, MR762 Pistol Grip with Storage - RAL8000
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    HK416, MR556, HK417, MR762 Pistol Grip with Storage - RAL8000

    H&K Heckler & Koch

    $89.95
    Heckler and Koch HK416, HK417 HK MR556 HK MR762 Battle Grip with Storage Compartment - RAL 8000 New HK German factory battle grip with storage compartment access located in the bottom of the grip. Superior fit and feel to any other grip on the market...
    HKP-18584
    $89.95
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  • New - H&K Rear Sights Windage Screw - HK 90 Series - HKP-00867
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    HK33, HK53, HK93 Rear Sights Windage Screw

    H&K Heckler & Koch

    $4.95
    H&K Rear Sights Windage Screw - HK 90 Series This is a hard-to-find rear sight screw new from HK Germany - not surplus.
    HKP-00867
    $4.95
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    $4.95
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  • New - HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set - HKP-21573-M HK MP5, MP5K Magazine Follower and Locking Plate Set - 9mm
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    HK MP5, MP5K Magazine Follower and Locking Plate Set - 9mm

    HKP HK Parts

    $12.95
    HKP MP5 & MP5K 9mm Magazine Follower & Locking Plate Set  A drop in item that allows you to swap your follower & locking plate to green or red. Best for a quick empty mag identifier. A great training or range aid at a great price. Made...
    HKP-21573-M
    $12.95
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    $12.95
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  • New - HKP SD Barrel Port Brush Handle - HKP-21448-M Black
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    HK MP5SD Barrel Port Brush Handle

    HKP HK Parts

    $39.95
    HKP SD Barrel Port Brush Handle The HK Parts SD brush handle is the perfect tool to pair with your factory H&K or HK Parts barrel brush.  Unlike other brush handles, the HKP handle features a locking clamp allowing the user to rotate the brush...
    HKP-21448-M
    $39.95
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    New - HK Contract 3 Point Sling - OD Green - HKP-19184 HK Contract 3 Point Sling - OD Green
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    HK Contract 3 Point Sling - OD Green

    H&K Heckler & Koch

    Now: $39.71
    Was: $52.95
    HK Contract 3 Point Sling - OD Green HK contract 3 point sling NIW.  This is the best valued HK 3 point sling available for the HK 90 series of firearms. HK Green in color.
    HKP-19184
    Now: $39.71
    Was: $52.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Clamping Sleeve Insert, Ejector Housing - HKP-16805
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    HK VP9, VP9SK, VP40 Clamping Sleeve Insert, Ejector Housing

    H&K Heckler & Koch

    $1.95
    Clamping Sleeve For Insert, Ejector Block Housing For HK VP9, VP40 This is the factory correct roll pin for holding the ejector block housing in the frame. New HK German manufacture. Compatible With: HK VP9 HK VP9SK HK VP40
    HKP-16805
    $1.95
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    $1.95
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  • New - HKP HK USP/T 9mm +5 Magazine Extension - HKP-21109-M HK USP/T 9mm +5 Magazine Extension
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    HK USP/T 9mm +5 Magazine Extension

    HKP HK Parts

    $49.95
    HKP HK USP/T 9mm +5 Magazine Extension This part is made in the USA out of aircraft grade hard coat anodized aluminum & steel hardware. Ultra-low profile & rock solid. With the addition of the +5 mag extension, the round count in the magazine...
    HKP-21109-M
    $49.95
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  • New - H&K 15 Round HK VP9A1 K Magazine - HKP-21650-M HK VP9K Magazine - 15 Round
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    HK VP9K Magazine - 15 Round

    H&K Heckler & Koch

    $54.95
    H&K 15 Round HK VP9A1 K Magazine Made from premium stainless steel and equipped with a red, anti-tilt polymer follower for easy identification, these 15-round magazines offer exceptional strength and dependability. The numbered witness holes on the...
    HKP-21650-M
    $54.95
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  • New - HKP 13 Round HK 45/45 Tactical .45 ACP Magazine - Black - HKP-18387 HK45 Magazine - 13 Round - .45 ACP
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    HK45 Magazine - 13 Round - .45 ACP

    HKP HK Parts

    $104.95
    HKP 13 Round HK 45/45 Tactical .45 ACP Magazine HK45 & HK45 Tactical +3 magazine extension coupled with a new HK German 10 round HK45 magazine. Each unit is then fully assembled as a 13 round HK45, HK45 Tactical magazine. Ideal for concealed carry,...
    HKP-18387
    $104.95
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    $104.95
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  • New - PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH - HKP-17930 HK91, G3 Flash Hider - Threaded 5/8x24 RH
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    HK91, G3 Flash Hider - Threaded 5/8x24 RH

    HKP HK Parts

    $27.95
    HK91 (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH Made in the USA to the exact specifications of the original HK flash hider, following strict HK standards. This flash hider offers the best quality and price in the country, making it the finest option...
    HKP-17930
    $27.95
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    $27.95
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