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 - HK45 .45 ACP Thread Protector - Threaded .578x28 RH - HKP-19891 HK45 Thread Protector - Threaded .578x28 RH
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    HK45 Thread Protector - Threaded .578x28 RH

    USA

    $24.95
    HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...
    HKP-19891
    $24.95
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  • On Sale
    Used - OEM Fero Z51 Night Vision Manual - HKP-19604 OEM Fero Z51 Night Vision Manual
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    OEM Fero Z51 Night Vision Manual

    Now: $9.95
    Was: $24.95
    OEM Fero Z51 Night Vision Manual This is the manual for the recently imported German night vision scope for the MG3 Machinegun, G3 Rifle and Pazerbusche 84. The condition of these booklets will vary.  Specifications: Height: 8.5" Width: 5...
    HKP-19604
    Now: $9.95
    Was: $24.95
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  • New - HKP HK VP9, VP9SK, VP40 Elbow Spring Stop Pin - HKP-16779
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    HK VP9, VP9SK, VP40 Trigger Bar Pin

    HKP HK Parts

    $9.95
    HKP HK Parts Elbow Spring Stop Pin for HK VP9, HK VP9SK, and HK VP40 
    HKP-16779
    $9.95
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  • Out Of Stock
    New - H&K Barrel VP9 - Black - HKP-16820 HK VP9 Barrel - 9mm

    HK VP9 Barrel - 9mm

    H&K Heckler & Koch

    $269.95
    H&K Barrel VP9 Brand New HK German Standard Length VP9 Barrel. Marked HK 9mmx19. Brand new cold hammer forged & made in Germany. Compatible With: HK VP9 (Optics Ready and non-OR) HK VP9 Tactical HK VP9K HK VP9X NOT compatible with VP9F, VP9L,...
    HKP-16820
    $269.95
    Out Of Stock
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  • New - H&K HK MR762/417 Complete Buffer - HKP-16769 HK417, MR762 Complete Buffer
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    HK417, MR762 Complete Buffer

    H&K Heckler & Koch

    $129.95
    H&K HK MR762/417 Complete Buffer Specifications: Weight: 6.1 Oz Overall length: 3.20" OD: 1.18" Compatible With: HK MR762 HK 417
    HKP-16769
    $129.95
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  • New - H&K HK 45 Series Recoil Spring - HKP-01562
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    HK45 Series Recoil Spring

    H&K Heckler & Koch

    $19.95
    HK 45 Series Recoil Spring New HK German factory OEM part. Compatible with all new HK45 full-size pistols and not be used for the USP .45 models. A must-have spare part for repair and replacement as this is a high-wear item.
    HKP-01562
    $19.95
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  • New - H&K HK Mark 23 Magazine Release - HKP-01772 HK Mark 23 Magazine Release
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    HK Mark 23 Magazine Release

    H&K Heckler & Koch

    $24.99
    Heckler and Koch Magazine Release HK Mark 23    Compatible with: Mark 23  
    HKP-01772
    $24.99
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  • Out Of Stock
    New - Trijicon HK VP/45C/P30 HD XR Night Sight Set - Yellow Front Outline - HKP-18271 HK VP9, P30, HK45C Night Sight Set - HD XR - Yellow

    HK VP9, P30, HK45C Night Sight Set - HD XR - Yellow

    Trijicon

    $184.95
    Trijicon HK VP/45C/P30 HD XR Night Sight Set - Yellow Front Outline   The Trijicon HD XR Night Sights were specifically designed with the ever-evolving challenges of law enforcement agencies in mind. Building on the features of the current HD Night...
    HKP-18271
    $184.95
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    $184.95
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  • New - H&K HK P30/P30L Left Side Grip Shell - Small - Black - HKP-01574
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    HK P30, P30L Grip Shell - Left - Small

    H&K Heckler & Koch

    $18.95
    HK P30 & P30L Left Side Grip Shell - Small - Black Ideal for adjusting the custom grip for your preferred shooting comfort.
    HKP-01574
    $18.95
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  • New - HK G36/SL8 (5.56/.223) Cocking Handle Spring - HKP-18369 HK G36, SL8 Cocking Handle Spring - US
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    HK G36, SL8 Cocking Handle Spring - US

    $9.95
    G36 Cocking Handle Spring- US Made   Compatible With: G36 All variants SL8 All variants
    HKP-18369
    $9.95
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  • New - H&K G36/SL8 (5.56/.223) Cocking Handle Spring - HKP-01862
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    HK G36, SL8 Cocking Handle Spring

    H&K Heckler & Koch

    $10.95
    HK German G36 Cocking Handle Spring - All Variants Compatible With: G36 - all variants SL8 - all variants
    HKP-01862
    $10.95
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  • Used - H&K USC/SL8 (.45 ACP/5.56/.223) Buttstock Screw - HKP-01649 HK USC, SL8 Buttstock Allen Screw
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    HK USC, SL8 Buttstock Allen Screw

    H&K Heckler & Koch

    $17.95
    Buttstock Allen Screw For HK USC Or HK SL8 rifles. This is the screw that holds the stock assembly onto the upper receiver of the HK USC & SL8.Great for replacements or to have as spares. This item is factory HK and a common spare.
    HKP-01649
    $17.95
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