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 - H&K HK G36, HK SL8 Magazine Paddle Release - HKP-02152 HK G36, SL8 Magazine Paddle Release
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    HK G36, SL8 Magazine Paddle Release

    H&K Heckler & Koch

    $19.95
    HK G36 & SL8 Magazine Paddle Release Compatible With: HK SL8 HK G36 HK G36K HK G36C
    HKP-02152
    $19.95
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    $19.95
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  • New - H&K HK G36C Forearm - Black - HKP-00620 HK G36C Handguard
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    HK G36C Handguard

    H&K Heckler & Koch

    $139.95
    HK German G36C Handguard With Heat Shield & Hand Stop Each unit features the hand stop locations for adding rails to the left, right, and bottom should you choose to. Compatible With: HK G36C HK SL8-G36C conversions
    HKP-00620
    $139.95
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    $139.95
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  • New - H&K HK G36, HK SL8, HK 243 Handguard - Black - HKP-17708 HK243, G36, SL8 Handguard
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    HK243, G36, SL8 Handguard

    H&K Heckler & Koch

    $249.95
    HK German Sl8, G36 & HK243 Aluminum Handguard - IDZ New latest production HK G36, SL8 & HK243 forearm. This handguard offering is made entirely out of aluminum. This is the most robust forearm HK makes or that is available. This was designed for...
    HKP-17708
    $249.95
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    $249.95
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  • New - H&K VP9SK, VP40SK Right Side Grip Panel - Small - Black - HKP-18296 HK VP9SK, VP40SK Grip Panel Right Side - Small
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    HK VP9SK, VP40SK Grip Panel Right Side - Small

    H&K Heckler & Koch

    $18.95
    H&K VP9SK, VP40SK Right Side Grip Panel - Small - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SK HK VP40SK
    HKP-18296
    $18.95
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    $18.95
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  • New - HKP/H&K 20 Round HKVP9SK/P30SK 9mm Magazine Complete - Red - HKP-19966 HKP/HK 20 Round HK VP9SK/P30SK 9mm Magazine Complete - Red
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    HKP/HK 20 Round HK VP9SK/P30SK 9mm Magazine Complete - Red

    $89.95
    10 Round Magazine with Red +10 Extension - 9mm - HK VP9SK & P30SK Ideal for competitive shooters that would like a 20 round robust steel and alloy magazine. Each mag comes fully assembled and ready for use. HK Parts takes an existing 10 round...
    HKP-19966
    $89.95
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    $89.95
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  • New - HK45 .45 ACP Thread Protector - Threaded .578x28 RH - HKP-19891 HK45 Thread Protector - Threaded .578x28 RH
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    HK45 Thread Protector - Threaded .578x28 RH

    USA

    $24.95
    HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished. Specifications: Made in the USA Stainless...
    HKP-19891
    $24.95
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    $24.95
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  • New - HK PARTS, H&K 24 Round HK VP9, HK P30 9mm Magazine Complete - Red - HKP-19838
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    HK PARTS, HK 24 Round HK VP9, HK P30 9mm Magazine Complete - Red

    HKP HK Parts / Heckler & Koch

    $89.95
    24 Round Magazine Complete - Red - 9mm - HK PARTS - HK VP9, HK P30 HK Parts +7 alloy magazine extension coupled with an HK 17 round factory German magazine adds 7 additional rounds total for a fully assembled 24 round HK VP9/P30 magazine. Ideal for...
    HKP-19838
    $89.95
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    $89.95
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  • Used - H&K HK33 Pistol Parts Kit w/ Flat & Weldment Set- RCM Barrel - HKP-19731
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    HK33 Pistol Parts Kit - Receiver Flat and Weldment Set - RCM Barrel

    H&K Heckler & Koch

    $1,834.95
    HK 33 pistol Build Kit Complete German & US Parts- Limited Supply! Heckler & Koch German-manufactured parts kit issued to the Malaysian Army. Demilled and prepared per BATF specifications. These are the last parts kits available we are told there...
    HKP-19731
    $1,834.95
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    $1,834.95
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  • On Sale
    Used - OEM Fero Z51 Night Vision Manual - HKP-19604 OEM Fero Z51 Night Vision Manual
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    OEM Fero Z51 Night Vision Manual

    Now: $9.95
    Was: $24.95
    OEM Fero Z51 Night Vision Manual This is the manual for the recently imported German night vision scope for the MG3 Machinegun, G3 Rifle and Pazerbusche 84. The condition of these booklets will vary.  Specifications: Height: 8.5" Width: 5...
    HKP-19604
    Now: $9.95
    Was: $24.95
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    Now: $9.95
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  • New - H&K HK MR556/MR762/416 Dowel Pin - HKP-19528
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    HK416, MR556, MR762 Dowel Pin

    $9.95
    H&K HK MR556/MR762/416 Dowel Pin Compatible With: HK MR556 HK 416 HK MR762
    HKP-19528
    $9.95
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  • Out Of Stock
    New - H&K HK G28 Buffer Tube - FDE - HKP-16762 HK417, MR762, G28 Buffer Tube - FDE

    HK417, MR762, G28 Buffer Tube - FDE

    H&K Heckler & Koch

    $224.95
    HK G28 Buffer Tube / Receiver Extension- HK Tan (Ral 8000) New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Compatible...
    HKP-16762
    $224.95
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  • On Sale
    New - HKP .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium - HKP-17961 Thread Protector - .40 S&W - 14.5x1 LH - Titanium
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    Thread Protector - .40 S&W - 14.5x1 LH - Titanium

    HKP HK Parts

    Now: $13.95
    Was: $24.95
    HKP HK .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium Titanium .40 S&W tactical barrel thread protector cap.  Each thread protector has a built in O-ring to allow the best fit possible to prevent the thread protector from coming...
    HKP-17961
    Now: $13.95
    Was: $24.95
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