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 - Comp-Tac HK 45 Full Size Comp Carry Holster - HKP-20585-M HK45 Holster - Comp Carry
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    HK45 Holster - Comp Carry

    Comp-Tac

    $79.95
    Comp-Tac HK 45 Full Size Comp Carry Holster This custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best holster company in the...
    HKP-20585-M
    $79.95
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  • On Sale
    New - HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel - HKP-19470 HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel
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    HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel

    HKP HK Parts

    Now: $99.95
    Was: $169.95
    HKP HK VP9 Gen1 V2 Rail Mount Compensator for Threaded Barrel Made specifically for the VP9 Tactical or VP9 with Threaded barrel - Version 2. Version 2 has the weight reduction cut-out located in the front (as seen in the photos). Besides this V1 and V2...
    HKP-19470
    Now: $99.95
    Was: $169.95
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    Was: $169.95
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  • New - H&K HK MR762/417/G28 Slim Line Retractable Stock - Black - HKP-17135 HK417,  MR762, G28 Slim Line Retractable Buttstock
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    HK417, MR762, G28 Slim Line Retractable Buttstock

    H&K Heckler & Koch

    $86.95
    H&K HK MR762/417/G28 Slim Line Retractable Stock New From HK Germany the slim line retractable stock fits all MR762, HK 417 buffer tubes. Marked with the HK logo and issued on specialized HK 417, MR762 rifles. Compatible With: HK MR762 HK 417 HK...
    HKP-17135
    $86.95
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    $86.95
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  • On Sale
    New - HKP Canik TP9SFX Rival Compensator - HKP-21396-M Canik TP9SFX Rival Compensator
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    Canik TP9SFX Rival Compensator

    HKP HK Parts

    Now: $97.46
    Was: $189.95
    HKP Canik SFX Rival Compensator - Gold/Gray Crafted from aircraft-grade billet aluminum and finished in durable cerakote. Features multiple muzzle ports and the additional weight to significantly reduce both muzzle flip and recoil. Compatible...
    HKP-21396-M
    Now: $97.46
    Was: $189.95
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    Now: $97.46
    Was: $189.95
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  • New - HKP HK VP9SK Bench Mat - HKP-18091 HK VP9SK Bench Mat
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    HK VP9SK Bench Mat

    HKP HK Parts

    $13.95
    Gunsmithing, Cleaning Bench Mat - HK VP9SK, VP9SK Tactical This isn't your ordinary gun cleaning mat. Show your pride for your HK VP9SK firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun...
    HKP-18091
    $13.95
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  • New - H&K 91/G3 (7.62x51/.308) Locking Piece - 45 Degree - HKP-00499 HK91, G3 Locking Piece - 45 Degree
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    HK91, G3 Locking Piece - 45 Degree

    H&K Heckler & Koch

    $29.95
    Heckler and Koch New Old Stock German HK Locking Piece for G3, 91, and PTR This is the factory-correct 45-degree locking piece for HK 91/G3 and PTR .308 full-length firearms. All steel construction is new in sealed wrapping.
    HKP-00499
    $29.95
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  • HK G36 Magazine- No Retainers - 30 Round HK G36 Magazine- No Retainers - 30 Round
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    HK G36 Magazine- No Retainers - 30 Round

    H&K Heckler & Koch

    $54.95
    HK Heckler and Koch 30 Round Magazine without Retainers for HK G36 Genuine H&K 30-round magazine without magazine interlocking retainers. Compatible With: HK G36
    HKP-22195
    $54.95
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  • New - HKP Shield Sight Optics Mount – HK VP9 - HKP-20796 HK VP9 Optic Plate - Shield Sights - Red Dot Pistol Mount
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    HK VP9 Optic Plate - Shield Sights - Red Dot Pistol Mount

    HKP HK Parts

    $49.99
    HK VP9 Optics Mount -Shield Sight Each plate is CNC machined from the best quality billet steel, deburred, tumbled and Cerakoted for the ultimate in durability and appearance. Each unit comes with 2 X T20 steel Torx Plus screws for mounting the optic...
    HKP-20796
    $49.99
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  • New - H&K HK P30, P30L, P30S, USPC, P2000 - 9mm Recoil Spring - HKP-01560
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    HK P30, P30L, P30S, USP Compact, P2000 - 9mm Recoil Spring

    H&K Heckler & Koch

    $34.95
    Recoil Spring New HK German manufacture recoil spring for guide rod. A must-have spare part and a common consumable item. Compatible With: USP Compact 9mm P2000 9mm P30, P30L & P30S 9mm models
    HKP-01560
    $34.95
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  • Out Of Stock
    New - H&K 9mm Barrel Flute Cleaning Brush - HKP-00138

    Barrel Flute Cleaning Brush - 9mm

    H&K Heckler & Koch

    $38.95
    Heckler and Koch Barrel Flute Cleaning Brush for 9mm This HK-manufactured brush is a must-have for the proper care of your HK 9mm rifle/pistol, as the flutes need to be clean and free of carbon for proper function. A great cleaning tool to have on hand...
    HKP-00138
    $38.95
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  • On Sale
    New - AC-Unity HK MP5 Wide Handguard - HKP-21637 HK MP5 Handguard - Wide
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    HK MP5 Handguard - Wide

    AC-Unity

    Now: $14.45
    Was: $18.95
    AC-Unity HK MP5 Wide Handguard Made by AC-Unity with advanced, German made polymer-resin/granulate that is both lightweight and shock/UV resistant. This state of the art polymer is formulated to withstand temperatures from -30°C to 120°C...
    HKP-21637
    Now: $14.45
    Was: $18.95
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  • New - H&K HK USP/45 LEM & Standard Models New Style Sear Catch - HKP-01803
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    HK45, USP Sear Catch - New Style, LEM, Standard

    H&K Heckler & Koch

    $19.95
    HK USP & 45 LEM & Standard Models New Style Sear Catch This is the new style catch to convert older USP models to the newer style catch and is needed for the LEM conversions. It is also known as the USP match catch. Compatible...
    HKP-01803
    $19.95
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    $19.95
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