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 - Comp-Tac HK P30, HK45C Sport-Tac LH Holster - Black - HKP-19687 HK45C, P30 Holster - Sport-Tac - LH
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    HK45C, P30 Holster - Sport-Tac - LH

    Comp-Tac

    Now: $44.95
    Was: $79.95
    Comp-Tac HK P30, HK45C Sport-Tac LH Holster The Sport-TAC Holster is a hybrid, inside-the-waistband holster designed to comfortably carry a 4" handgun at the 4-5 o'clock position. The Sport-TAC features a 600D interlock padded backing that provides...
    HKP-19687
    Now: $44.95
    Was: $79.95
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  • New - H&K HK VP9/VP9SK, HK VP40 Sear Release Catch Cylindrical Pin - HKP-16803
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    HK VP9, VP9SK, VP40 Sear Release Catch Cylindrical Pin

    H&K Heckler & Koch

    $6.95
    Cylindrical Pin For Sear Release Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP9A1 F HK VP9A1 K HK VP40
    HKP-16803
    $6.95
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  • Out Of Stock
    New - H&K HK P7 Series Drop Safety Catch - HKP-01356 HK P7 Series Drop Safety Catch

    HK P7 Series Drop Safety Catch

    H&K Heckler & Koch

    $67.95
    HK P7 Series Drop Safety Catch Compatible With: P7 PSP P7M8 P7M10 P7M13
    HKP-01356
    $67.95
    Out Of Stock
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  • New - H&K HK USP Lanyard Loop Insert Pin - HKP-01930
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    HK USP Lanyard Loop Insert Pin

    H&K Heckler & Koch

    $19.95
    HK USP Lanyard Loop Insert Pin   Compatible With: HK USP 9mm HK USP 40 HK USP 45  
    HKP-01930
    $19.95
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  • New - Troy Industries Rear Battle Sight - Black - HKP-00032 Battle Sight - Rear
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    Battle Sight - Rear

    Troy Industries

    $129.95
    Troy Industries Rear Battle Sight Durability and dead-on accuracy have made the Troy Industries Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Easy to install and deploy, with no levers or springs to fumble...
    HKP-00032
    $129.95
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  • New - H&K HK MR556/416 Ejector For Bolt Head - HKP-00037
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    HK416, MR556 Ejector For Bolt Head

    H&K Heckler & Koch

    $23.95
    H&K HK MR556/416 Ejector For Bolt Head HK German factory part.  Compatible With: HK MR556 HK 416
    HKP-00037
    $23.95
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    $23.95
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  • New - H&K G36/SL8 (5.56/.223) Cocking Handle - HKP-01853
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    HK G36, SL8 Cocking Handle

    H&K Heckler & Koch

    $55.95
    HK Cocking Handle For G36 & SL8 Bolt Carriers  
    HKP-01853
    $55.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Safety Right Side (0,1) - HKP-01874
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    HK UMP, USC, G36, SL8 Safety - Right Side 0,1

    H&K Heckler & Koch

    $9.95
    Safe, Semi 0,1 Only HK UMP, USC, G36, & SL8 Right Side Safety Control Lever Constructed from durable black polymer, this factory original part from HK is made in Germany and specifically designed for H&K SL8, G36, and USC rifle. The lever...
    HKP-01874
    $9.95
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    $9.95
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  • New - HKP HK MP5 (.40 S&W) Locking Roller +2 - HKP-17564
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    HK MP5 Locking Roller +2 - .40 S&W

    HKP HK Parts

    $11.95
    HK US MP5 .40 S&W Locking Roller, +2 The proper roller size is essential for proper headspacing of bolt gap. +2 / 8.02mm Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the...
    HKP-17564
    $11.95
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  • New - H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned - HKP-00513 HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned
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    HK91, G3 SEF Navy Style Trigger Housing - Clipped & Pinned

    H&K Heckler & Koch

    $179.95
    H&K G3/91 (7.62x51/.308) SEF Navy Style Trigger Housing - Clipped & Pinned New German-made Heckler & Koch grip housing comes in black polymer clipped and pinned, ready to drop on your HK 91, HKG3, PTR-91, or other HK .308 type build. Accepts...
    HKP-00513
    $179.95
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  • New - Choate HK 91/G3 (7.62x51/.308) Adjustable Tactical Folding Stock - HKP-00884 HK91, G3 Adjustable Tactical Folding Stock
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    HK91, G3 Adjustable Tactical Folding Stock

    Choate

    $139.95
    HK G3, 91 & PTR Tactical Folding Stock Each stock is adjustable from 14 1/4" to 15 1/4" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. Comes with all the...
    HKP-00884
    $139.95
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  • New - H&K Cocking Tube Extrusion - 12" Section - HKP-13487 HK90 Series Cocking Tube Extrusion - 12" Section
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    HK90 Series Cocking Tube Extrusion - 12" Section

    H&K Heckler & Koch

    $54.95
    H&K Factory Cocking Tube Extrusion 12" Section HK cocking tube section is perfect for custom HK cocking tube projects. Overall length is 12" long. All steel and ready for that custom project or custom build. Perfect for custom cocking tube...
    HKP-13487
    $54.95
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    $54.95
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