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 - XS Sight Systems HK VP9OR R3D 2.0 Rear Sight - HKP-21618 HK VP9 R3D 2.0 Rear Sight
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    HK VP9 R3D 2.0 Rear Sight

    XS Sights

    $59.95
    XS Sight Systems HK VP9OR R3D 2.0 Rear Sight Their second-generation R3D night sights are engineered to give you a brighter stronger set of sights. Easily install their sights with a set that requires 50% less force for installation. R3D sights are built...
    HKP-21618
    $59.95
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    $59.95
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  • Out Of Stock
    New - H&K G36 IDZ Stock - Concave - HKP-21501 HK G36 IDZ Concave Stock

    HK G36 IDZ Concave Stock

    H&K Heckler & Koch

    $386.95
    H&K G36 IDZ Stock Concave When it comes to adjustable, folding G36 stocks, the IDZ tops the list. German made by HK with a concave buttpad for reliability and comfort.   Features: 3 position forward & back 3 cheek piece elevation...
    HKP-21501
    $386.95
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    $386.95
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  • Out Of Stock
    New - XS Sight Systems HK VP9OR R3D 2.0 Night Sights - Orange - HKP-21465

    HK VP9 R3D 2.0 Night Sights - Orange

    XS Sights

    $127.95
    XS Sight Systems VP9OR R3D 2.0 Night Sights - Orange Their second-generation R3D night sights are engineered to give you a brighter stronger set of sights. Easily install their sights with a set that requires 50% less force for installation. R3D sights...
    HKP-21465
    $127.95
    Out Of Stock
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    $127.95
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  • New - HKP HK VP9S, HK VP40, HK P30, HK P30L Replacement Kit for Comp Weight™ - HKP-19458
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    HK VP9, VP40, P30 Replacement Kit - Comp Weight™

    HKP HK Parts

    $9.99
    Comp Weight™ - Replacement Kit - HK VP9, VP40, P30 Replacement Set for the HK Parts VP9, VP9L, VP40, P30 Comp Weight™/compensator. This includes the quick detach lever, side set screw, and bottom lever screw. Perfect for backup and spare...
    HKP-19458
    $9.99
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    $9.99
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  • New - MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28 - HKP-17941 HK416, MR556 Flash Hider - G28 Style - Threaded 1/2x28
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    HK416, MR556 Flash Hider - G28 Style - Threaded 1/2x28

    MFI

    $79.95
    MFI 5.56/.223 G28 Style Flash Hider - Threaded 1/2x28 The G28 2nd Gen flash hider features the latest style and is threaded 1/2x28. Constructed from ordnance-grade steel, it is finished with a semi-matte, mil-spec black oxide coating for enhanced...
    HKP-17941
    $79.95
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    $79.95
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  • New - H&K HK G36C Forearm - Black - HKP-00620 HK G36C Handguard
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    HK G36C Handguard

    H&K Heckler & Koch

    $139.95
    HK German G36C Handguard With Heat Shield & Hand Stop Each unit features the hand stop locations for adding rails to the left, right, and bottom should you choose to. Compatible With: HK G36C HK SL8-G36C conversions
    HKP-00620
    $139.95
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  • New - RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH - HKP-16238 HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
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    HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH

    RCM

    $225.00
    RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30 9mm pistol,...
    HKP-16238
    $225.00
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    $225.00
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  • Out Of Stock
    New - H&K VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH - HKP-17994 HK VP40 Tactical Barrel - Threaded 14.5x1 - LH

    HK VP40 Tactical Barrel - Threaded 14.5x1 - LH

    H&K Heckler & Koch

    $279.95
    H&K VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH Precision made in Germany by HK, this barrel is crafted from cold hammer forged ordnance-grade steel. It represents the finest threaded factory barrel available for the HK VP40 or VP40...
    HKP-17994
    $279.95
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  • New - Talon Grip HK USP Full Size 9mm & .40 S&W - Rubber Black - HKP-20283 HK USP Grip Wrap - Rubber - 9mm / .40 S&W
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    HK USP Grip Wrap - Rubber - 9mm / .40 S&W

    Talon Grip

    $19.99
    TALON Grip - USP Full Size 9mm/.40 - Rubber 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 easy.The...
    HKP-20283
    $19.99
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    $19.99
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  • New - HKP/H&K 20 Round HKVP9SK/P30SK 9mm Magazine Complete - Red - HKP-19966 HK VP9SK, P30SK Magazine, Complete - 20 Round - Red
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    HK VP9SK, P30SK Magazine, Complete - 20 Round - Red

    HKP HK Parts / Heckler & Koch

    $89.95
    HKP HK Parts and Heckler and Koch 10 Round Magazine with Red +10 Extension for HK VP9SK and HK P30SK Ideal for competitive shooters that would like a 20 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts...
    HKP-19966
    $89.95
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    $89.95
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  • New - HK PARTS, H&K 24 Round HK VP9, HK P30 9mm Magazine Complete - Red - HKP-19838
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    HK VP9, P30 Magazine, Complete - 24 Round - 9mm - Red

    HKP HK Parts / Heckler & Koch

    $89.95
    24 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +7 alloy magazine extension coupled with an HK 17 round factory German magazine adds 7 additional rounds total for a fully assembled 24 round HK VP9/P30 magazine. Ideal for...
    HKP-19838
    $89.95
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    $89.95
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  • New - H&K HK MR556/HK416 12.5" M-LOK Compatible Handguard - HKP-19695 HK416, MR556 M-LOK Compatible Handguard - 12.5"
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    HK416, MR556 M-LOK Compatible Handguard - 12.5"

    H&K Heckler & Koch

    $224.95
    H&K HK MR556/HK416 12.5" M-LOK Compatible Handguard Manufactured by HK from aircraft grade aluminum with a black hard coat anodized finish, this M-LOK handguard is designed for the Heckler & Koch MR556 & HK 416 rifles chambered in 5.56x45mm...
    HKP-19695
    $224.95
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    $224.95
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