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 - B&T Folding Stock/Length Adjustable Helmet Stock Section - Used - HKP-19784 B&T Folding Stock/Length Adjustable Helmet Stock Section - Used
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    B&T Folding Stock/Length Adjustable Helmet Stock Section - Used

    B&T Brugger & Thomet

    $49.95
    B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Section Used stocks taken from demilled Swiss Police MP5's. A great stock and value at a great price. Swiss made B&T folding and length adjustable helmet stock for the HK MP5, MP5K and...
    HKP-19784
    $49.95
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  • New - Comp-Tac HK P30/HK45C International RH Holster - Black - HKP-19585 HK45C, P30 International Holster - RH
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    HK45C, P30 International Holster - RH

    Comp-Tac

    $84.95
    Comp-Tac HK P30/HK45C International RH Holster - Black The International is an outside the waistband (OWB) holster with a modular mounting design giving the user 16 holster options in 1.  Designed to be worn at 3:00 this holster is perfect for...
    HKP-19585
    $84.95
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  • New - H&K HK G36K Forearm - Black - HKP-00617
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    HK G36K Handguard

    H&K Heckler & Koch

    $139.95
    HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing the SL8 to G36 conversions. Has the mounting...
    HKP-00617
    $139.95
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  • New - H&K HK VP40 Left Side Charging Support - Black - HKP-17684 HK VP40 Left Side Charging Support
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    HK VP40 Left Side Charging Support

    H&K Heckler & Koch

    $4.95
    H&K HK VP40 Left Side Charging Support - Black Compatible With: HK VP40 NOT for the VP9
    HKP-17684
    $4.95
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    $4.95
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  • Used - Comp-Tac HK P2000SK Infidel Ultra Max Holster - Black - HKP-19586-M HK P2000SK Holster - Infidel Ultra Max
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    HK P2000SK Holster - Infidel Ultra Max

    Comp-Tac

    $89.95
    Comp-Tac HK P2000SK Infidel Ultra Max Holster The Infidel Ultra Max Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. The Infidel Ultra Max is designed with cant adjustment holes to allow the user to...
    HKP-19586-M
    $89.95
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  • On Sale
    New - HKP Glock 17 Gen 5 Stand Off Device - Black - HKP-19263 HKP Glock 17 Gen 5 Stand Off Device
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    HKP Glock 17 Gen 5 Stand Off Device

    HKP HK Parts

    Now: $29.95
    Was: $109.95
    Stand Off Device - Glock 17 Gen 5 The HK Parts stand off is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is an excellent self-defense addition. The standoff device...
    HKP-19263
    Now: $29.95
    Was: $109.95
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  • Out Of Stock
    New - F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine - Black - HKP-18577 F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine

    F5 MFG 50 Round BT APC9, BT GHM9 9mm Drum Magazine

    F5 MFG

    $168.95
    F5 MFG 50 Round BT APC9 & GHM9 9mm Drum Magazine  The only one of its kind, Brugger & Thomet APC9 & GHM9 50 round drum magazine. Truly an incredible combination of quality and performance, be the first to own this exclusive accessory...
    HKP-18577
    $168.95
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  • New - H&K HK Mark 23 Front Sight - HKP-01623
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    HK Mark 23 Front Sight

    H&K Heckler & Koch

    $54.95
    HK Mark 23 Front Sight Rear Sight Heights: 5.5mm (-8) 5.9mm (-4) 6.3mm (standard) 6.7mm (+4) 7.1mm (+8) 7.5mm (+12) Please Note: The front sight is manufactured in a single standard size(6.3mm). The rear sights come in a variety of heights to allow for...
    HKP-01623
    $54.95
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  • New - Comp-Tac HK P30SK Infidel Ultra Max Holster - Black - HKP-17518-M HK P30SK Holster - Infidel Ultra Max
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    HK P30SK Holster - Infidel Ultra Max

    Comp-Tac

    $94.95
    Comp-Tac HK P30SK Infidel Ultra Max Holster The Infidel Ultra Holster is an Inside the Waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster is a perfect easy on easy off...
    HKP-17518-M
    $94.95
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    $94.95
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  • New - HK P30/L Series Firing Pin - Black - HKP-02211
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    HK P30, P30L Firing Pin

    H&K Heckler & Koch

    $59.95
    Heckler and Koch Firing Pin for HK P30, P30L   German-made HK firing pin for the P30 and P30L. Steel construction, factory-spec, and designed for both 9mm and .40 S&W models. This is the correct OEM firing pin for restoring proper ignition...
    HKP-02211
    $59.95
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  • Out Of Stock
    New - H&K HK P2000 .357 Barrel - Black - HKP-01419

    HK P2000 Barrel - .357 SIG

    H&K Heckler & Koch

    $329.95
    HK P2000 .357 Barrel This is a great spare or replacement barrel to have on hand. This is a popular barrel to convert the P2000 .40 to .357.
    HKP-01419
    $329.95
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  • Out Of Stock
    New - H&K HK USP .45 ACP Full Size Standard Length Barrel - Black - HKP-01520 HK USP 45 Barrel - .45 ACP - 4.41" - Full Size

    HK USP 45 Barrel - .45 ACP - 4.41" - Full Size

    H&K Heckler & Koch

    $384.99
    HK USP .45 ACP Full Size Standard Length Barrel This part can be a replacement barrel for the USP Tactical if you do not want to have the threaded barrel installed. Easy drop-in installation. It can also be used to convert the USP Tactical .45 to a...
    HKP-01520
    $384.99
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    $384.99
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