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 - HKP HK MR556/416 Barrel Nut Installation/Removal Tool - HKP-17327 HK416, MR556 Barrel Nut Installation and Removal Tool
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    HK416, MR556 Barrel Nut Installation and Removal Tool

    HKP HK Parts

    $59.95
    HK 416, MR556 Barrel Nut Installation & Removal Tool New US manufactured barrel nut removal and installation tool. Each tool has the provision installed to allow the use of an off the shelf 1/2" torque wrench to be used while removing and installing...
    HKP-17327
    $59.95
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  • New - Comp-Tac HK USP International Comp Carry Holster - HKP-21121-M HK USP International Holster - Comp Carry
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    HK USP International Holster - Comp Carry

    Comp-Tac

    $89.95
    Comp-Tac HK USP International Comp Carry Holster The International Holster is an outside-the-waistband holster with a modular mounting design, giving the user 16 holster options in 1. Designed to be worn in the 3 o'clock position, this holster is perfect...
    HKP-21121-M
    $89.95
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  • Used - H&K Claw Mount Screw For Optics & Rails - HKP-17921 HK Claw Mount Screw for Optics and Rails
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    HK Claw Mount Screw for Optics and Rails

    H&K Heckler & Koch

    $3.95
    H&K Claw Mount Screw For Optics & Rails HK German rail screw that is used on the HK claw mount to add an optic such as a Hendsoldt or Stanag optic to the claw mount. The screw is used German surplus manufacture but in perfect shape for use on all...
    HKP-17921
    $3.95
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  • New - H&K Ambidextrous Rear Stock Sling Pin - Large - HKP-00078
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    Buttstock Sling Pin - Ambi

    H&K Heckler & Koch

    $43.95
    H&K Ambidextrous Stock Sling Pin - Large The ambidextrous sling hook push pin replaces the stock push pin on the rear stock of the HK firearm, to enable the use of an HK sling for both left and right hand use. This part will replace and work on any...
    HKP-00078
    $43.95
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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 - HKP 90 Series Paddle Mag Release Easy Install Fixture - HKP-17587 HK 90 Series Paddle Mag Release - Easy Install Fixture
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    HK 90 Series Paddle Mag Release - Easy Install Fixture

    HKP HK Parts

    $187.95
    HKP 90 Series Paddle Mag Release Easy Install Fixture The original one and only paddle mag release fixture. The perfect jig for the installation of the factory correct paddle mag release with the proper hole placement and an easy to use jig that will...
    HKP-17587
    $187.95
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  • AR-15 Super Safety - Forced Reset Selector - Single Lever AR-15 Super Safety - Forced Reset Selector - Single Lever
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    AR-15 Super Safety - Forced Reset Selector - Single Lever

    Atrius

    $199.95
    Atrius Single Lever Forced Reset Selector for AR-15 Style Firearms The Atrius Forced Reset Selector gives AR-15 users three selector positions: SAFE, SEMI, and FULL SEMI. It is designed for mil-spec fire control groups in .223, 5.56, and 300 BLK and uses...
    HKP-22348
    $199.95
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  • New - HKP HK MP5 Navy Binary Trigger Group - Engraved - HKP-21000-M Push Pin
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    HKP HK MP5 Navy Binary Trigger Group - Engraved

    HKP HK Parts / FA Franklin Armory

    $1,299.95
    HKP HK MP5 Navy Binary Trigger Group - Engraved 3 Position Navy style Engraved Pictograph– HK Binary Trigger Group Our latest and greatest binary trigger group freshly delivered with a factory HK German housing that was professionally engraved and...
    HKP-21000-M
    $1,299.95
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  • Out Of Stock
    New - H&K 13 Round HK USPC 9mm Magazine w/ Flat Floor Plate - Black - HKP-02243 HK USPC, P2000SK Magazine - 9mm - 13 Round - Flat Floorplate

    HK USPC, P2000SK Magazine - 9mm - 13 Round - Flat Floorplate

    H&K Heckler & Koch

    $49.95
    13 Round HK USPC 9mm Magazine w/ Flat Floorplate Perfect for concealed carry or use as a lower profile magazine. Compatible With: HK USP Compact 9mm HK P2000 9mm HK P2000SK (will sit below the bottom of the magwell)
    HKP-02243
    $49.95
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  • New - H&K HK 45C/USPC/P2000/P30 Recoil Rod Bushing Sleeve - HKP-01765
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    HK45 Compact, USP Compact, P2000, P30 Recoil Rod Bushing Sleeve

    H&K Heckler & Koch

    $6.95
    Recoil Rod Bushing Sleeve  It is a must-have spare part to have on hand as this is a high-wear item. Compatible With: HK 45 Compact, HK45C Tactical HK USP Compact 9mm HK USP Compact .40 & .357 Sig HK USP Compact .45 ACP HK P2000...
    HKP-01765
    $6.95
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  • Used - H&K 91/G3 (7.62x51/.308) Firing Pin - Used - HKP-16710
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    HK91, G3 Firing Pin - Used

    H&K Heckler & Koch

    $6.95
    H&K 91/G3 (7.62x51/.308) Firing Pin - Used Great for spares as this is a common wear item. Compatible With: HK G3 & HK 91, PTR or clone rifles
    HKP-16710
    $6.95
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  • New - HKP HK 91/G3 & PTR Bench Mat - HKP-17283 HK91, G3, PTR Bench Mat
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    HK91, G3, PTR Bench Mat

    HKP HK Parts

    $24.95
    HK G3, HK91 & PTR 7.62 Bench, Gunsmithing Repair Mat Our HK G3 bench mat is the perfect cleaning & repair mat designed specifically for your HK G3 models. Have fun and learn while you work on your favorite H&K firearm. The soft top protects...
    HKP-17283
    $24.95
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