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 HK 416/417 Pistol Grip With Tools - RAL 8K - HKP-21462 HK416, MR556, HK417, MR762 Pistol Grip with Tools - RAL8000
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    HK416, MR556, HK417, MR762 Pistol Grip with Tools - RAL8000

    H&K Heckler & Koch

    $159.95
    Heckler and Koch's Pistol Grip With Tools - RAL 8000 HK German grip with HK tools stowed in the grip's storage compartment.  Finish your HK build with our favorite grip or upgrade your AR-15 platform.  Compatible With: HK 416 HK MR556 HK417 HK...
    HKP-21462
    $159.95
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  • New - HKP HK MP5K Vertical Grip - OD Green - HKP-20592 HK MP5K Vertical Foregrip - OD Green
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    HK MP5K Vertical Foregrip - OD Green

    HKP HK Parts

    $34.95
    MP5K Vertical Grip O.D Green - USA New OD green MP5K K-Grip handguard for MP5K and the ever popular MP5K-Reverse stretch models. Now you can further customize your MP5K and SP5K with this new color grip and, best of all, it counts as 1 U.S compliant part...
    HKP-20592
    $34.95
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  • New - H&K HK MR556/MR762/416/417 V1 Battle Grip - Black - HKP-01023
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    HK416, MR556, HK417, MR762 Pistol Grip - V1

    H&K Heckler & Koch

    $79.95
    H&K 416/417 & MR556/762 V1 Battle Grip - Black This is a great upgrade for any AR15, M16/416 platform. New factory German HK manufacture. Compatible With: HK 416/MR556 HK 417/MR762 HK M27 HK G28 AR-15, M4, & M16 Platforms
    HKP-01023
    $79.95
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  • New - H&K 93/33 (5.56/.223) - Recoil Spring - HKP-02097
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    HK33, HK33K, HK93 Recoil Spring

    H&K Heckler & Koch

    $8.95
    HK German factory HK 93, 33 & 33K Replacement Recoil Spring Compatible With: HK 93 HK33 HK33K Clones or other custom builds
    HKP-02097
    $8.95
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    $8.95
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  • New - H&K Cocking Tube End Cap Spring - HKP-17980
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    HK MP5, HK90 Series Cocking Tube End Cap Spring

    H&K Heckler & Koch

    $4.95
    H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...
    HKP-17980
    $4.95
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    $4.95
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  • HK P30L, P30, P30SK Straight Trigger - Hybrid HK P30L, P30, P30SK Straight Trigger - Hybrid
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    HK P30L, P30, P30SK Straight Trigger - Hybrid

    Grayguns

    $95.00
    Grayguns HK P30, P30L, P30SK Hybrid Straight Trigger The Grayguns hybrid straight trigger blends the look of a straight trigger with a slight curve to reduce trigger reach.  Consider this hybrid to be the best of both worlds for your P30 platform...
    HKP-22329
    $95.00
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  • New - HKP HK MP5 SD Handguard Conversion - HKP-22091 HK MP5, SP5 Handguard - SD Style Conversion
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    HK MP5, SP5 Handguard - SD Style Conversion

    HKP HK Parts

    $279.95
    HK Parts Handguard Conversion HK MP5SD Convert your standard MP5 to the iconic SD-style look with this HKP MP5SD handguard conversion. Designed for aesthetics only, this drop-in handguard gives your MP5 the suppressed MP5SD appearance without requiring...
    HKP-22091
    $279.95
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  • New - HKP HK USP Compact . 45 ACP Compensator - HKP-20975 HK USP Compact . 45 ACP Compensator
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    HK USP Compact . 45 ACP Compensator

    HKP HK Parts

    $189.95
    HKP HK USP Compact . 45 ACP Compensator The HK Parts USPC .45 Compensator will add a sleek and tactical look to your USPC.45. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...
    HKP-20975
    $189.95
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  • New - HK G36, HK SL8 Side Rail Factory HK - Black - HKP-01962 HK G36, HK SL8 Side Rail Factory HK
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    HK G36, HK SL8 Side Rail Factory HK

    H&K Heckler & Koch

    $67.95
    HK Factory German G36 & SL8 Side Rail With Screws Up to two side rails can be used on a G36 UMP, one for each of the sides. Made from hard coat anodized aluminum. Compatible With: SL8 full size G36 full size
    HKP-01962
    $67.95
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  • New - Comp-Tac HK USP Full Size International Holster - HKP-20294-M HK USP International Holster
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    HK USP International Holster

    Comp-Tac

    $80.95
    Comp-Tac HK USP Full Size International Holster The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition shooting,...
    HKP-20294-M
    $80.95
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  • New - H&K HK /MR556416 A5 Ambidextrous Complete Selector Lever Set - RAL 8K - HKP-17603 HK416A5, MR556 Selector Lever Set, Complete - Ambi - RAL8000
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    HK416A5, MR556 Selector Lever Set, Complete - Ambi - RAL8000

    H&K Heckler & Koch

    $189.95
    Heckler and Koch  Ambidextrous Selector Lever Set Complete for HK416A5 SEMI and HK MR556 - RAL 8000 New HK German manufacture. Complete kit to upgrade the selector lever set on the HK MR556 to the newer HK416A5 semi style of levers...
    HKP-17603
    $189.95
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  • New - H&K MP5/SP5/MP5K/SP5K Soft Gun Case - HKP-17428 HK MP5, MP5K Soft Gun Case - 29"
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    HK MP5, MP5K Soft Gun Case - 29"

    H&K Heckler & Koch

    $139.95
    HK Factory 29" MP5/SP5 Soft Tactical Case with HK Logo Compatible With: HK MP5/SP5 HK MP5K/SP5K Similar size firearms  
    HKP-17428
    $139.95
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