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 USPC Red Dot Pistol Mount - Black - HKP-18899 HK USP Compact Burris FastFire red dot optic mounting plate
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    HK USP Compact Optic Plate - Burris FastFire - Red Dot Pistol Mount

    HKP HK Parts

    $49.95
    HKP HK USPC Red Dot Pistol Mount Red Dot mounting plate to allow the use of a Burris Fast Fire, Docter, Vortex Venom or other similar specs Red Dot Sights. Replaces rear sight to allow the mounting of a Red Dot Sight to your HK pistol listed above...
    HKP-18899
    $49.95
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  • New - H&K HK P7 Series Extractor Spring - HKP-00325
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    HK P7 Series Extractor Spring

    H&K Heckler & Koch

    $7.95
    HK P7 Extractor Spring This is a common wear and replacement part, according to HK Germany. This is a great part to have on hand as a spare.  Compatible With: P7 PSP P7 M8 P7 M10 P7 M13
    HKP-00325
    $7.95
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    $7.95
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  • New - H&K HK USP/45/45C Ambidextrous Control Lever Set Roll Pin - HKP-02394
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    HK45, HK45C, USP Roll Pin - Ambi Control Lever

    H&K Heckler & Koch

    $2.95
    HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...
    HKP-02394
    $2.95
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    $2.95
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  • New - Franklin Armory HK MP5/91/93 Binary Trigger Pack - HK-C1 - HKP-18434 HK MP5K, SP5K, HK91, G3 Series Binary Trigger - Curved - BFSIII
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    HK MP5K, SP5K, HK91, G3 Series Binary Trigger - Curved - BFSIII

    FA Franklin Armory

    $629.99
    Franklin Armory BFSIII HK-C1 Binary Trigger Pack for HK MP5K, HK SP5K, HK91, and HK G3 The BFSIII™ for HK is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest semi-automatic trigger...
    HKP-18434
    $629.99
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    $629.99
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  • New - H&K MP5 & MP5K 9mm Magazine Floor Plate - HKP-01051 HK MP5, HK94, SP89, SP5K Magazine Floorplate - 9mm
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    HK MP5, HK94, SP89, SP5K Magazine Floorplate - 9mm

    H&K Heckler & Koch

    $10.95
    HK MP5, 94, MP5K, & SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.
    HKP-01051
    $10.95
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  • On Sale
    Used - 1SHOT Systems HK VP9, HK P30L Dynamic Pistol Brace - Black - BLEMISHED - HKP-20525-BL-B HK VP9, P30L Dynamic Pistol Rest - BLEMISHED
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    HK VP9, P30L Dynamic Pistol Rest - BLEMISHED

    Other

    Now: $89.95
    Was: $199.95
    USA 1Shot GS Dynamic Pistol Rest for HK VP9 and HK P30 Series Pistols - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Features: Not permanently...
    HKP-20525-BL-B
    Now: $89.95
    Was: $199.95
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    Now: $89.95
    Was: $199.95
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  • New - Magpul SL HK MP5 Binary Trigger Group - HKP-21406-M HK MP5, SP5 Trigger Group- Binary
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    HK MP5, SP5 Trigger Group- Binary

    Magpul / FA Franklin Armory

    $859.95 - $889.95
    Magpul SL HK MP5 Binary Trigger Group: Latest and greatest trigger group option for those looking for a binary option and the added comfort of the Magpul housing. We take a Magpul SL housing, our compatible binary selector levers, and complete it with a...
    HKP-21406-M
    $859.95 - $889.95
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    $859.95 - $889.95
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  • New - H&K HK G3, HK 91, PTR Rear Sight Assembly - HKP-19372
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    HK91, G3, PTR Rear Sight Assembly

    H&K Heckler & Koch

    $39.95
    HK German G3, 91, PTR Rear Sight Assembly Complete - New HK - Hand Windage Adjustment Knob HK German factory rear sight assembly with all hardware included. We offer the finest new HK sights at the BEST price in the country. Each set comes complete with...
    HKP-19372
    $39.95
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  • New - H&K G3 Crush Washer For Buffer Screw - HKP-16984
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    HK G3 Buffer Screw Crush Washer

    H&K Heckler & Koch

    $0.95
    HK G3 Crush Washer For Buffer Screw
    HKP-16984
    $0.95
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  • Used - H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned - HKP-00722 H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned H&K Heckler & Koch HKP-00722
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    HK91, G3 Grip Housing - SEF - Clipped and Pinned- Polymer - USED

    H&K Heckler & Koch

    $79.95
    H&K G3/91 (7.62x51/.308) SEF Polymer Housing - USED - Clipped & Pinned This German made Heckler & Koch G3 surplus grip housing comes in black polymer clipped & pinned, ready to drop on your HK 91, HK G3, PTR-91, or other HK .308 type...
    HKP-00722
    $79.95
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    $79.95
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  • On Sale
    New - HKP Canik Mete MC9 Compensator - HKP-21280 Canik Mete MC9 Compensator
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    Canik Mete MC9 Compensator

    HKP HK Parts

    Now: $89.95
    Was: $189.95
    HKP Canik Mete MC9 Compensator 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 With: Canik Mete...
    HKP-21280
    Now: $89.95
    Was: $189.95
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    Now: $89.95
    Was: $189.95
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  • New - Outers 9mm Bore Cleaner - HKP-19922 Outers Barrel Bore Cleaner - 9mm
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    Outers Barrel Bore Cleaner - 9mm

    $7.95
    Outers 9mm Bore Cleaner .357/.38   Manufactured by the makers of the original BoreSnake and will work with all 9mm pistol and rifles. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting...
    HKP-19922
    $7.95
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    $7.95
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