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 P30 Series Bench Mat - HKP-17107 HK P30, P30L, P30S Bench Mat
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    HK P30, P30L, P30S Bench Mat

    HKP HK Parts

    $13.95
    HKP HK P30 Series Bench Mat Perfect for all HK P30 9mm & .40 Cal models. This isn't your ordinary gun cleaning mat! Show your pride for your firearm while using this high quality neoprene rubber backed and cloth top gun cleaning mat to protect your...
    $13.95
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  • New - H&K HK MR556/MR762/416/417 Complete Piston Rod Assembly - HKP-00042
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    HK416, MR556 Piston Rod - Complete Assembly

    H&K Heckler & Koch

    $109.95
    Heckler and Koch Complete Piston Rod Assembly for your HK416, HK MR556, HK417, HK MR762 A great replacement or spare to keep on hand. Compatible With: HK 416, HK MR556 HK 417, HK MR762 Please Note: Does not fit barrels less than 10 inches.
    $109.95
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  • New - Magpul M-LOK 3 Slots Rail Section - HKP-20495 M-LOK Rail Section - 3 Slots
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    M-LOK Rail Section - 3 Slots

    Magpul

    $18.95
    Magpul M-LOK 3 Slots Rail Section Designed for use with all M-LOK compatible hand guards and forends, M-LOK aluminum rail sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...
    $18.95
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  • Out Of Stock
    New - H&K HK VP9, HK P30, HK 45 Adjustable Suppressor Sights Superluminova - Green - HKP-18756 HK45, HK VP9, HK P30 Adjustable Suppressor Sights Superluminova - Green

    HK45, HK VP9, HK P30 Adjustable Suppressor Sights Superluminova - Green

    H&K Heckler & Koch

    $119.95
    H&K HK VP9, HK P30, HK 45 Adjustable Suppressor Sights Superluminova - Green HK OEM LPA Suppressor Sights with SuperLumiNova insert. Fully Adjustable in elevation and windage (front and rear sight set). The only sight set available on the market that...
    $119.95
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  • New - H&K MR556/MR762/416/417 Firing Pin Spring - HKP-00928
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    HK416, MR556 HK417, MR762 Firing Pin Spring

    H&K Heckler & Koch

    $14.95
    H&K MR556/MR762/416/417 Firing Pin Spring This part is great to have on hand as this item is a high wear and replacement part and one of the most common breakage parts on the HK 416/MR556 rifles. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK...
    $14.95
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  • New - H&K HK 416/MR556/MR762 Trigger Guard Pin - HKP-02678
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    HK416, MR556, MR762 Trigger Guard Pin

    H&K Heckler & Koch

    $9.95
    HK MR556 & HK 416 Trigger Guard Retaining Pin Compatible With: HK 416 HK MR556
    $9.95
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  • New - HKP Mens Short Sleeve Bundesadler Shirt - Black - HKP-21177-M HK Men's Shirt - Short Sleeve - Bundesadler - Black
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    HK Men's Shirt - Short Sleeve - Bundesadler - Black

    HKP HK Parts

    $19.95
    HKP Mens Short Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: 100% Cotton High-fidelity DTG...
    $19.95
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  • Used - RCM HK MP5 Complete HK Style 9mm Bolt Group - HKP-19317 HK MP5 Bolt Group - Complete - 9mm - Full and Semi
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    HK MP5 Bolt Group - Complete - 9mm - Full and Semi

    RCM

    $409.95
    Complete Bolt Group - RCM - HK Style MP5 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. This is the finest US BCG available. Each bolt group comes complete, assembled ready to go. Includes: Bolt head complete 100...
    $409.95
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  • New - H&K MP5, G3, PTR, HK93 Push Button For Magazine Catch - HKP-01833 HK MP5, G3, PTR, HK93 Push Button for Magazine Catch
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    HK MP5, G3, PTR, HK93 Push Button for Magazine Catch

    H&K Heckler & Koch

    $8.95
    Push Button For Magazine Catch Compatible With: G3 91 MP5 MP5K SP5K-PDW (For SP5K's not equipped with the paddle release, purchase this kit) 94 93 33 PTR, Clones, ETC.
    $8.95
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  • New - H&K 10 Round HK P2000/USPC .40 S&W Magazine - HKP-00311-M HK P2000, USPC Magazine - 10 Round  - .40 S&W
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    HK P2000, USPC Magazine - 10 Round - .40 S&W

    H&K Heckler & Koch

    $54.99
    H&K 10 Round HK P2000/USPC .40 S&W Magazine  Factory HK German 10 Round magazine. Compatible With: HK USP Compact .40 S&W HK P2000 .40 S&W HK P2000 SK (will fit below the bottom of the magwell)
    $54.99
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  • New - HKP Leather MP5 Key Chain - Black/Silver - HKP-21452 HK Leather MP5 Key Chain - Black/Silver
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    HK Leather MP5 Key Chain - Black/Silver

    HKP HK Parts

    $9.00
    HKP Leather MP5 Key Chain - Black/Silver Leather MP5 keychain with HK sling style clip.
    $9.00
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  • Used - H&K German Roller +2 - Used - 8.02mm - HKP-19366 HK German Roller +2 - Used - 8.02mm
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    HK German Roller +2 - Used - 8.02mm

    H&K Heckler & Koch

    $7.95
    H&K German Roller +2 - Used - 8.02mm Used HK standard (8.02 mm) locking roller. The proper roller size is essential for proper bolt gap. HK German Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...
    $7.95
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