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 - SB Tactical HK MP5K, HK SP89, HK SP5K Side Folding Brace w/ HK Parts Adapter - HKP-19451 HK MP5K, SP89, SP5K Brace With Direct Fit Adapter
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    HK MP5K, SP89, SP5K Brace With Direct Fit Adapter

    SB Tactical

    $229.95
    Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones Side Folding Pistol Stabilizing Brace with HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum...
    HKP-19451
    $229.95
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  • HK UMP Magazine - 30 Round - 9mm HK UMP Magazine - 30 Round - 9mm
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    HK UMP Magazine - 30 Round - 9mm

    H&K Heckler & Koch

    $62.95
    HK Heckler and Koch German 9mm 30 Round Factory Magazine for HK UMP The latest HK German production 30-round magazine is new and hard to find. Compatible With: UMP 9mm USC 9mm conversions Omega 9mm UMP, USC builds
    HKP-00608
    $62.95
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  • New - SB Tactical HK MP5 .22LR Folding Brace - Skeletonized - HKP-21053 HK MP5 Folding Brace - .22LR - Skeletonized
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    HK MP5 Folding Brace - .22LR - Skeletonized

    HKP HK Parts / SB Tactical

    $249.95
    Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is the finest option for your MP5 .22 pistol. Available...
    HKP-21053
    $249.95
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  • New - AIM Sports 4x Prismatic Scope w/ Riser - HKP-19534 Tri Illuminated Scope with Fiber Optic Sight
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    Tri Illuminated Scope with Fiber Optic Sight

    AIM

    $109.95
    4X32 TRI ILLUMINATED SCOPE W/FIBER OPTIC SIGHT ARROW PLX RETICLE 4X32 TRI ILLUMINATED SCOPE W/FIBER OPTIC SIGHT MIL-DOT RETICLE 4 X 32 Prismatic Scope With Illuminated Reticle. The optic is 100% shock resistant, recoil and fog proof, as well as entirely...
    HKP-19534
    $109.95
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  • New - H&K (7.62x51/.308) Cleaning Kit - HKP-01549 HK Firearm Cleaning Kit - 7.62x51 / .308
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    HK Firearm Cleaning Kit - 7.62x51 / .308

    HKP HK Parts / Heckler & Koch

    $89.95
    H&K (7.62x51/.308) Cleaning Kit New Factory HK German 91, G3, PTR, or other HK .308 cleaning kit for all .308 HK's or clones.  Includes: Cleaning rod for short and long barrels Adapter for cleaning tools 8-32 Patch holder Bore brush Chamber...
    HKP-01549
    $89.95
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  • New - HKP MP5, 94 Operator's Manual - HKP-15765 HK MP5, HK94 Operator's Manual
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    HK MP5, HK94 Operator's Manual

    HKP HK Parts

    $14.95
    HKP MP5, 94 Operator's Manual The MP5, 94 or other HK MP5 clones Operator Manual is 36 pages of a page by page translation of the original Bundeswehr ( German Federal Army) instruction manual for their service machine pistol, the MP5. There are 26...
    HKP-15765
    $14.95
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  • New - Magpul PMAG 40 Round AR-15 5.56/.223 Magazine - HKP-16699 Magpul PMAG 40 Round AR-15 5.56/.223 Magazine Magpul HKP-16699
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    HK416, MR556, AR-15 Magazine - PMAG M3 - 40 Round

    Magpul

    $24.95
    Magpul PMAG 40 Round AR-15 5.56/.223 Magazine Latest M3 generation, NON-windowed PMAG (Polymer Magazine). Featuring a pop-off storage/dust cover that alleviates pressure from the magazine feed lips, allowing for long-term storage of loaded magazines...
    HKP-16699
    $24.95
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  • New - HKP HK USP/Tactical .45 ACP Rail Mount Compensator for Threaded Barrel - HKP-21343 HK USP Tactical Rail Mount Compensator, Threaded Barrel - .45 ACP
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    HK USP Tactical Rail Mount Compensator, Threaded Barrel - .45 ACP

    HKP HK Parts

    $179.95
    HKP HK USP/Tactical .45 ACP Rail Mount Compensator with Threaded Barrel 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...
    HKP-21343
    $179.95
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  • New - HKP Single Point Quick Detach Sling - OD Green - HKP-19708 HK Single Point Quick Detach Sling - OD Green
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    HK Single Point Quick Detach Sling - OD Green

    NcSTAR

    $29.95
    HK Single Point Sling in Green - Quick Detach Specifications: Composition: Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee construction. Style: Bungee-type design for complete comfort and stability Sling loop is adjustable for length...
    HKP-19708
    $29.95
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  • New - H&K HK P30SK Firing Pin Safety Pin - HKP-18524 HK P30SK Firing Pin Safety Pin
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    HK P30SK Firing Pin Safety Pin

    H&K Heckler & Koch

    $4.95
    H&K HK P30SK Firing Pin Safety Pin This is a factory original HK part manufactured in Germany.
    HKP-18524
    $4.95
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  • New - Heckler and Koch HK USP, USPC, P2000 Magazine Release Lever - Black - HKP-02480
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    HK USP, USP Compact, P2000 Magazine Release Lever

    H&K Heckler & Koch

    $12.95
    Heckler and Koch Magazine Release Lever for HK USP and HK P2000 Compatible With: USP USP Compact 9mm USP Tactical, Elite, Expert both full size and compact P2000 P2000SK
    HKP-02480
    $12.95
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  • Out Of Stock
    New - MI HK G3/91/PTR M-LOK Forearm - Black - HKP-18439 HK91, G3, PTR Handguard - M-LOK

    HK91, G3, PTR Handguard - M-LOK

    MI Midwest Industries

    $189.95
    MI HK G3/91/PTR M-LOK Forearm Fits the HK G3, 91 lengths for firearms to include the full-length PTR models that use a G3/91 full-length forearm. May fit some CETME models such as the C308 with fitting required. Made in the USA, 922r...
    HKP-18439
    $189.95
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