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 93/53/33 (5.56/.223) 30 Round Magazine Spring - HKP-14411
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    HK33, HK53, HK93 Magazine Spring - 30 Round

    H&K Heckler & Koch

    $8.45
    HK 93,33, & 53 Magazine Replacement Spring For Steel German HK 30-Round Magazines This is a hard-to-find and must-have spare part for your HK high-capacity mags. Please Note: Although not factory correct, these springs will work in the 25-round HK 93...
    HKP-14411
    $8.45
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  • New - Magpul M-LOK QD Sling Mount - HKP-17268
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    M-LOK QD Sling Mount

    Magpul

    $27.95
    Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount features beveled...
    HKP-17268
    $27.95
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  • On Sale
    New - HKP 3-Lug Adapter - Threaded 1/2x32 - HKP-00107
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    HK MP5, SP5 3 Lug Adapter - Threaded 1/2x32

    HKP HK Parts

    Now: $29.95
    Was: $49.95
    HKP 3-Lug Adapter - Threaded 1/2x32 The HK 3-Lug Adapter, internally threaded with 1/2x32 threads, can easily attach to any existing 1/2x32 threaded parts. This is the finest machined adapter on the market, made in the USA to exact HK German 3-lug...
    HKP-00107
    Now: $29.95
    Was: $49.95
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  • New - H&K MP5, MP5K Rear Sight Set Complete-Windage Knob - HKP-02532
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    HK MP5, MP5K Rear Sight Set Complete-Windage Knob

    H&K Heckler & Koch

    $129.95
    MP5 & HK94 Rear Sight Set Complete - With Windage Adjustment Knob Each rear sight unit comes with German HK parts, with the only exception being the hand-adjustable windage screw. Each set includes the entire rear sight assembly and hardware set for...
    HKP-02532
    $129.95
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  • New - HKP HK MP5/MP5K Extractor - Enhanced Coated Polish - HKP-22181-M HK MP5, MP5K Extractor - Coated and Polished
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    HK MP5, MP5K Extractor - Coated and Polished

    HKP HK Parts

    $44.95
    HKP HK MP5/MP5K Extractor - Enhanced - Coated and Polished  Built for dependable performance, this coated and polished extractor delivers smooth cycling and consistent extraction. A great choice for both upgrades and routine replacements. Available...
    HKP-22181-M
    $44.95
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  • Out Of Stock
    New - H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve - HKP-22062

    HK416, MR556, HK417, MR762 Selector Lever Clamping Sleeve - Ambi

    H&K Heckler & Koch

    $5.95
    H&K MR556/MR762/416/417 Ambidextrous Selector Clamping Sleeve German H&K factory clamping sleeve for ambidextrous selector levers on MR556, MR762, HK416, and HK417. Compatible With: HK MR556 A1/A4 HK416 HK MR762 A1/A4 HK417
    HKP-22062
    $5.95
    Out Of Stock
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  • New - Zenith 30 Round HK MP5 9mm Magazine - TiN Coated - HKP-21645 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - TiN Coated
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - TiN Coated

    Zenith

    $99.95
    Zenith 30 Round HK MP5 9mm Magazine - TiN Coated Elevate your gear with our TiN coated Zenith magazines. Each magazine begins as a regular 9mm, 30 round mag that is expertly disassembled, coated with durable TiN, and meticulously reassembled for optimal...
    HKP-21645
    $99.95
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  • On Sale
    New - HKP Glock 17 Gen 4 Magwell - Black - HKP-19141 Glock 17 Magwell - Gen 4
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    Glock 17 Magwell - Gen 4

    HKP HK Parts

    Now: $9.95
    Was: $47.96
    HKP Glock 17 Gen 4 Magwell The perfect addition to your Glock 17 firearm, the HK Parts magwell will help keep the users hand in place while shooting. Installation is simple with an allen wrench, no gunsmithing required. Made in the USA. Ultra lightweight...
    HKP-19141
    Now: $9.95
    Was: $47.96
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  • New - H&K HK VP9/VP9SK, VP40 Trigger Safety Catch Elbow Spring - HKP-16772
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    HK VP9, VP9SK, VP40 Trigger Safety Spring

    H&K Heckler & Koch

    $6.95
    H&K HK VP9/VP9SK, VP40 Trigger Safety Catch Elbow Spring Elbow spring for trigger safety catch VP9, VP9SK & VP40.
    HKP-16772
    $6.95
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  • New - H&K 2 Round HK SLB 2000 30-06 Magazine - Black - HKP-16997 HK 2 Round HK SLB 2000 30-06 Magazine
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    HK 2 Round HK SLB 2000 30-06 Magazine

    H&K Heckler & Koch

    $29.95
    HK SLB 2000 30-06 2 Round Mag
    HKP-16997
    $29.95
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  • New - H&K HK USP .45 ACP Complete Recoil Assembly - HKP-01161
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    HK USP .45 ACP Complete Recoil Assembly

    H&K Heckler & Koch

    $99.95
    H&K HK USP .45 ACP Complete Recoil Assembly New HK German manufacture. Compatible With: HK USP 45 Full Size Pistol HK USP Expert HK Elite
    HKP-01161
    $99.95
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  • New - Maglula .22LR - .380 ACP Pistol Magazine Loader - HKP-15637 Maglula .22LR - .380 ACP Pistol Magazine Loader
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    Maglula .22LR - .380 ACP Pistol Magazine Loader

    Maglula

    $35.95
    Maglula .22LR - .380 ACP Pistol Magazine Loader The BabyUpLULA is a high-quality pistol magazine loader and unloader designed for loading virtually all* single-stack and narrow-body .22 LR to .380 ACP (9mm Short/Kurz)mags which have normal/...
    HKP-15637
    $35.95
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    $35.95
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