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 VP9SK, VP40SK Backstrap - Small - OD Green - HKP-18971 HK VP9SK, VP40SK Backstrap - Small - OD Green
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    HK VP9SK, VP40SK Backstrap - Small - OD Green

    H&K Heckler & Koch

    $29.95
    H&K VP9SK, VP40SK Back Strap - Small - OD Green New HK German manufacture. Compatible With: HK VP9SK HK VP40SK
    HKP-18971
    $29.95
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    $29.95
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  • Out Of Stock
    New - HKP HK VP9, HK VP9SK, HK VP40 Enhanced Slide Cap w/ Firing Pin Window - Titanium - HKP-17943 HK VP9, VP9SK, VP40 Enhanced Slide Cap - Firing Pin Window - Titanium

    HK VP9, VP9SK, VP40 Enhanced Slide Cap - Firing Pin Window - Titanium

    HKP HK Parts

    $59.95
    Enhanced Slide Plate Cover VP9, VP9SK & VP40 - Titanium With Firing Pin Viewing Window Enhanced HK VP9, VP40 Titanium slide plate in natural titanium alloy. The "enhanced" slide plate cover includes the firing pin viewing window. The enhanced slide...
    HKP-17943
    $59.95
    Out Of Stock
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    $59.95
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  • On Sale
    New - HKP MP5 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger - HKP-20523
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    HK MP5 Parts Kit - SEF Binary Trigger - Pistol Build - Receiver Flat and Weldment Set - 9mm

    Now: $1,487.95
    Was: $1,859.95
    MP5 9mm Pistol Build Kit Complete German & USA Made Parts- SEF Binary Trigger Group MP5 9mm parts kit complete with all the parts needed for an MP5 semi-auto pistol. Each kit comes with all 6 of the needed US made compliance parts to be legal as a...
    HKP-20523
    Now: $1,487.95
    Was: $1,859.95
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    Now: $1,487.95
    Was: $1,859.95
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  • Out Of Stock
    New - H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned - HKP-20404 HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position 0,1,3 Pictogram Burst - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308

    HK MP5, HK33, HK53, HK93, HK91, G3 Trigger Housing - 3 Position 0,1,3 Pictogram Burst - Clipped and Pinned - 9mm, 5.56 / .223, 7.62 / .308

    H&K Heckler & Koch

    $0.00
    H&K MP5, 93/53/33, G3/91 (9mm, 5.56/.223, 7.62/.308) 3 Position (0,1,3 Pictogram) Universal Burst Trigger Housing - Clipped & Pinned Introducing the new Factory German trigger housing, designed for use in safe, semi, and burst configurations...
    HKP-20404
    $0.00
    Out Of Stock
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    $0.00
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  • On Sale
    New - Talon Grip HK P30 Rubber - Small - Black - HKP-20254 HK P30 Grip Wrap for Small Backstraps - Rubber
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    HK P30 Grip Wrap for Small Backstraps - Rubber

    Talon Grip

    Now: $17.95
    Was: $19.99
    TALON Grip - H&K P30 - Rubber Black - Small Backstrap 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...
    HKP-20254
    Now: $17.95
    Was: $19.99
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  • Out Of Stock
    New - Evolution Gun Works HK USP Full Size optic plate for DeltaPoint Pro and EOTech EFLX with mounting screws - HKP-20044 HK USP Full Size DeltaPoint Pro EOTech EFLX rear dovetail optic mount plate

    HK USP Full Size Optic Plate - Vortex Razor, C-More STS / STS2 / RTS2 - Red Dot Pistol Mount

    Evolution Gun Works

    $49.95
    Evolution Gun Works HK USP Full Size Vortex Razor Mount Included: Mounting hardware Features: Material: 7075 aluminum Coating: matte black hardcoat Overall length: 1.831" Overall width: 1.062" Mounting hardware: (2) 8-32 button head screws, (1)...
    HKP-20044
    $49.95
    Out Of Stock
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    $49.95
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  • On Sale
    New - HK MP5/94 US Made Trigger Group 5 US Made Compliant Parts w/ Flat Trigger - HKP-19938 HK MP5, HK94 Trigger Group - Flat Trigger - 5 US Made Compliant Parts
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    HK MP5, HK94 Trigger Group - Flat Trigger - 5 US Made Compliant Parts

    USA

    Now: $440.95
    Was: $489.95
    HK MP5/94 US Made Trigger Group 5 US Made Compliant Parts w/ Flat Trigger HK MP5/94 9mm Semi Auto Trigger Group Complete. Each Trigger Group incorporates the following 922r-compliant parts: US made sear US made hammer US made flat trigger US made...
    HKP-19938
    Now: $440.95
    Was: $489.95
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    Now: $440.95
    Was: $489.95
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  • On Sale
    New - Comp-Tac HK VP9 International Holster - Coyote Brown - HKP-19682-M HK VP9 International Holster - Coyote Brown
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    HK VP9 International Holster - Coyote Brown

    Comp-Tac

    Now: $47.95
    Was: $79.95
    Comp-Tac HK VP9 International Holster - Coyote Brown 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 competition...
    HKP-19682-M
    Now: $47.95
    Was: $79.95
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    Now: $47.95
    Was: $79.95
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  • New - H&K HK USP Compact 9mm Stripped Slide - HKP-19513 HK USP Compact 9mm Stripped Slide
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    HK USP Compact 9mm Stripped Slide

    H&K Heckler & Koch

    $474.95
    USP Compact - 9mm - Stripped New factory original slide for the 9mm semi-auto pistol. Features a black finish and factory markings. Stripped, no other parts included. No longer available by itself.
    HKP-19513
    $474.95
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    $474.95
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  • New - H&K HK MR762/417 Handguard Compression Spring - HKP-16796
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    HK417, MR762 Handguard Compression Spring

    H&K Heckler & Koch

    $8.95
    H&K HK MR762/417 Handguard Compression Spring   Heckler & Koch compression spring for HK MR762 and HK 417 handguard   Compatible With: HK MR 762 HK 417
    HKP-16796
    $8.95
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    $8.95
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  • New - HK G41 Firing Pin Spring - HKP-16060
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    HK G41 Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    HK G41 Firing Pin Spring Compatible With: HK G41
    HKP-16060
    $9.95
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    $9.95
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  • Out Of Stock
    On Sale
    New - H&K HK USP Full Size .40 Barrel - Black - HKP-01528 HK USP Barrel - .40 S&W

    HK USP Barrel - .40 S&W

    H&K Heckler & Koch

    Now: $272.95
    Was: $321.95
    Heckler and Koch German USP Full Size .40 Caliber Barrel Great idea to have a spare, factory cold hammer forged, polygonal HK barrel on hand. Compatible With: USP .40 Full Size USP .40 Tactical
    HKP-01528
    Now: $272.95
    Was: $321.95
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    Now: $272.95
    Was: $321.95
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