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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  • On Sale
    New - HKP HK P2000 Compensator for Threaded Barrel - HKP-20879 HK P2000 Compensator for Threaded Barrel
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    HK P2000 Compensator for Threaded Barrel

    HKP HK Parts

    Now: $134.95
    Was: $189.95
    HKP HK P2000 Compensator for Threaded Barrel The HK Parts P2000 Compensator will add a sleek and tactical look to your P2000. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...
    HKP-20879
    Now: $134.95
    Was: $189.95
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    Was: $189.95
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  • New - HK/HKP – 20 Round HK P2000 Magazine – Black - HKP-20789 HK/HKP – 20 Round HK P2000 Magazine
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    HK/HKP – 20 Round HK P2000 Magazine

    HKP HK Parts / Heckler & Koch

    $99.95
    HK/HKP – 20 Round HK P2000 Magazine HK P2000 +7 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 20 round HK P2000 magazine. Ideal for competitive shooters and for everyday use...
    HKP-20789
    $99.95
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  • On Sale
    New - TPM - Grenade Bolt Knob - Titanium - HKP-20776 Bolt Knob - Grenade - Titanium
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    Bolt Knob - Grenade - Titanium

    Tactical Precision MFG

    Now: $24.95
    Was: $48.99
    TPM - Grenade Bolt Knob - Titanium TPM grenade bolt knobs are a great way to dress up any rifle. It has a great feel and looks fantastic. Can also fit any 5/16x24 threaded bolt handle.  Grenade Bolt Knob - Titanium  Dimensions: 1.90" x 7/8" x...
    HKP-20776
    Now: $24.95
    Was: $48.99
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  • On Sale
    New - Lazy Wolf VP C1 Curved Series Trigger - Gold - HKP-19654 HK VP Series Curved Trigger - Gold
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    HK VP Series Curved Trigger - Gold

    Lazy Wolf

    Now: $94.95
    Was: $134.95
    Lazy Wolf Guns C1 Curved Gold Trigger for HK VP Series In a collaboration with Lazy Wolf Guns, HK Parts is offering premium aftermarket triggers for your HK VP9 and VP40 handguns. The drop in VP9 series trigger is the best trigger ever developed after...
    HKP-19654
    Now: $94.95
    Was: $134.95
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  • On Sale
    New - HKP VP9SK Rail Mount Compensator for Threaded Barrel - Black - HKP-20535 HK VP9SK Rail Mount Compensator for Threaded Barrel
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    HK VP9SK Rail Mount Compensator for Threaded Barrel

    HKP HK Parts

    Now: $99.95
    Was: $169.95
    HKP VP9SK Rail Mount Compensator for Threaded Barrel Specifications: Length - 3 1/2 inches Height - 1 3/4 inches Weight - 4.8 oz. Torque: Bottom Screws - 26 inch-lbs Side Screws - 18 inch-lbs For use with threaded barrel *DO NOT USE COMPENSATOR...
    HKP-20535
    Now: $99.95
    Was: $169.95
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    Was: $169.95
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  • New - HK PARTS, H&K 22 Round HK VP9, HK P30 9mm Magazine Complete - Red - HKP-19842
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    HK PARTS, HK 22 Round HK VP9, HK P30 9mm Magazine Complete - Red

    HKP HK Parts / Heckler & Koch

    $89.95
    22 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +7 alloy magazine extension coupled with an HK 15 round factory German magazine adds 7 additional rounds total for a fully assembled 22 round HK VP9/P30 magazine. Ideal for...
    HKP-19842
    $89.95
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  • On Sale
    Used - H&K, B&T HK MP5 Swiss & German Parts Kit With B&T Folding Pistol Brace - HKP-19477
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    HK MP5, SP5 Parts Kit - 9mm

    Now: $1,449.99
    Was: $1,929.95
    HK German MP5 made with Swiss Marked & Proofed HK MP5 Parts Kit Includes: German demilled HK front sight tower assembly and sling loop German HK cocking tube assembly complete German HK trunnion with magwell section attached to the demilled...
    HKP-19477
    Now: $1,449.99
    Was: $1,929.95
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  • New - HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - HKP-19395 HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH
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    HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH

    HKP HK Parts

    $369.95
    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH This new 16.5" threaded barrel is designed for the UMP or Omega firearms. A great replacement or threaded barrel upgrade. Compatible With: HK UMP .45 ACP Omega Firearms
    HKP-19395
    $369.95
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  • Out Of Stock
    New - Trijicon HK VP9, HK P30, HK 45C Fiber Optic Sight Set - Red - HKP-19357 HK VP9, HK P30, HK 45C Fiber Optic Sight Set - Red

    HK VP9, HK P30, HK 45C Fiber Optic Sight Set - Red

    Trijicon

    $119.95
    Trijicon HK VP9, HK P30, HK 45C Fiber Optic Sight Set - Red Behind Trijicon® Fiber Sights is years of engineering and manufacturing experience in producing the industry's leading night sight and fiber illuminated scopes and sights. Featuring similar...
    HKP-19357
    $119.95
    Out Of Stock
    Qty in Cart: 0
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  • New - H&K HK MR762/417 Cartridge Extractor - HKP-16842
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    HK417, MR762 Cartridge Extractor

    H&K Heckler & Koch

    $94.95
    H&K HK MR762/417 Cartridge Extractor   Compatible With: HK MR762 HK 417
    HKP-16842
    $94.95
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  • New - H&K HK MR762 Ejection Door Clamping Sleeve - HKP-16518
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    HK MR762 Ejection Door Clamping Sleeve

    H&K Heckler & Koch

    $4.95
    H&K HK MR762 Ejection Door Clamping Sleeve Compatible With: HK MR762
    HKP-16518
    $4.95
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    $4.95
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  • New - H&K USP .40 Expert 5.19" Barrel - Black - HKP-01472 HK USP Expert Barrel - .40 ACP - 5.19"
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    HK USP Expert Barrel - .40 ACP - 5.19"

    H&K Heckler & Koch

    $299.95
    New HK German Factory USP Expert .40 Barrel This barrel will fit a stock USP .40 full-size pistol but will extend out the front of the slide for those who want to use a Comp Weight? or need a longer barrel for the USP .40 firearm. Made in Germany with a...
    HKP-01472
    $299.95
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    $299.95
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