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 MP5 & MP5K Railed Scope Mount - MLI - HKP-17629 HK MP5, SP5K Optic Mount - 5 - 5/8" - MLI - Picatinny Rail
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    HK MP5, SP5K Optic Mount - 5 - 5/8" - MLI - Picatinny Rail

    H&K Heckler & Koch

    $359.99
    HK German Low Profile Mount for HK MP5, SP5 & MP5K, SP5K - MLI HK German manufactured HK MP5, MP5K low profile Picatinny scope mount. Manufactured at HK in Germany as part of the "Mid-Life Improvement" upgrade for the HK MP5 family of firearms. The...
    HKP-17629
    $359.99
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  • Out Of Stock
    New - H&K HK 13 Round USPC/P2000 9mm Magazine - HKP-00312-M HK USPC, P2000 Magazine - 9mm - 13 Round

    HK USPC, P2000 Magazine - 9mm - 13 Round

    H&K Heckler & Koch

    $49.00
    H&K HK 13 Round USPC/P2000 9mm Magazine  Each magazine is a current HK German manufacturer. Brand new and factory fresh. Compatible With: HK USP Compact 9mm HK P2000 9mm Fits the P2000SK will stick out below the magwell when installed
    HKP-00312-M
    $49.00
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  • On Sale
    Used - HK 91/G3 (7.62x51/.308) Rubberized Mag Pouch - Surplus - HKP-16321 HK91, G3 Rubberized Mag Pouch - Surplus
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    HK91, G3 Rubberized Mag Pouch - Surplus

    Now: $4.95
    Was: $9.95
    German Surplus Green Rubberized Mag Pouch Used Compatible With: HK G3, 91, PTR & CETME Custom HK builds & HK Clones Please note: These range in shades of green color from OD green to Jungle green. If you have a preference please make a note...
    HKP-16321
    Now: $4.95
    Was: $9.95
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    Now: $4.95
    Was: $9.95
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  • New - Grayguns HK P30/P30L/P30SK Straight Trigger - HKP-19748 HK P30, P30L, P30SK Straight Trigger
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    HK P30, P30L, P30SK Straight Trigger

    Grayguns

    $95.00
    Grayguns HK P30/P30L/P30SK Straight Trigger Designed by Keith Hosey, Grayguns' director of gunsmithing, the HK P30 Straight Trigger is a first-of-its-kind in the market. Fits all P30 variants. Reduces over-travel while featuring a 90-degree optimal...
    HKP-19748
    $95.00
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  • New - Align Tactical HK VP9 Thumb Rest Takedown Lever - HKP-20590 HK VP9 Thumb Rest Takedown Lever
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    HK VP9 Thumb Rest Takedown Lever

    Align Tactical

    $59.95
    Align Tactical HK VP9 Thumb Rest Takedown Lever The Align tactical thumb rest takedown lever integrates an ergonomic ledge for the support hand’s thumb to firmly lock down against, serving as a brake against muzzle flip to provide the fastest...
    HKP-20590
    $59.95
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  • New - Magpul HK MP5, HK SP5, HK AP5 SL Hand Guard - Black - HKP-19309-M HK MP5, SP5, AP5 Handguard - SL
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    HK MP5, SP5, AP5 Handguard - SL

    Magpul

    $49.95
    Magpul HK MP5, HK SP5, HK AP5 SL Handguard The Magpul SL handguard for the HK MP5 is a high-strength, injection-molded polymer handguard solution that provides the user with improved ergonomics and anti-slip texturing. It also includes M-LOK®...
    HKP-19309-M
    $49.95
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  • New - HKP MP5, MP5K Cocking Handle - Extended - HKP-17149 HK MP5, MP5K Cocking Handle - Extended
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    HK MP5, MP5K Cocking Handle - Extended

    HKP HK Parts

    $39.95
    HK MP5, MP5K Contoured Cocking Handle - Extended Enhanced extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made 100% from solid steel billet. Each item also...
    HKP-17149
    $39.95
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  • Used - H&K MP5 9mm SEF Full Auto Trigger Pack Complete - HKP-00981 HK MP5 Trigger Pack - Full Auto - Complete - 9mm
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    HK MP5 Trigger Pack - Full Auto - Complete - 9mm

    H&K Heckler & Koch

    $349.95
    H&K Heckler & Koch - HK MP5 Trigger Pack - Full Auto - Complete - 9mm German Each factory full auto trigger pack includes a new 9mm 3rd generation German ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our...
    HKP-00981
    $349.95
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  • Used - IMI 32 Round Uzi 9mm Magazine - German Military - Used - HKP-18683 IMI 32 Round Uzi 9mm Magazine - German Military - Used IMI HKP-18683
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    IMI 32 Round Uzi 9mm Magazine - German Military - Used

    IMI

    $24.95
    Uzi 32 Round 9mm Magazine - IMI - Used Good Condition+ Factory Original Israeli IMI all steel production, 32rd 9mm magazines produced for the German army. German mags were military, they were not offered as a commercial magazine. As an added bonus these...
    HKP-18683
    $24.95
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    $24.95
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  • New - B&T HK MP5K, HK SP89, HK SP5K Folding Stock - Black - HKP-00172 HK MP5K, SP5K, SP89 Folding Stock
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    HK MP5K, SP5K, SP89 Folding Stock

    B&T Brugger & Thomet

    $275.00
    B&T Brugger and Thomet HK MP5K, SP5K, SP89 Folding Stock Factory Swiss-made B&T folding stock for MP5K-pattern firearms. This military-grade stock is built to the same specifications B&T supplies to OEM contracts and installs using standard...
    HKP-00172
    $275.00
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    $275.00
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  • New - H&K MP5 Armorer's Manual - 90 Pages - HKP-00101 HK MP5 Manual - Armorer's - 90 Pages
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    HK MP5 Manual - Armorer's - 90 Pages

    H&K Heckler & Koch

    $19.95
    H&K MP5 Armorer's Manual - 90 Pages Table of Contents History of Heckler and Koch General Information Exterior Nomenclature Safety Check / Clearing Procedure Markings on the MP5 Major Variants (Model variants) Operator Use / Field Stripping Care...
    HKP-00101
    $19.95
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  • New - Walther 30 Round HK 416 .22LR Magazine - Gray - HKP-01749 HK416 Magazine - .22LR - Gray
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    HK416 Magazine - .22LR - Gray

    Walther

    $34.95
    HK, Umarex, Walther, HK416 .22LR Magazine - 30 Round Magazine   This is the factory OEM magazine for all of the models listed. Each magazine comes in charcoal gray color. Compatible With: HK 416 .22 Colt M4 .22 HK G36 .22 Beretta ARX 160 ...
    HKP-01749
    $34.95
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