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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  • HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm
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    HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm

    HKP HK Parts

    $229.95
    HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...
    HKP-17175
    $229.95
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    $229.95
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  • New - HKP 9mm US Made Trigger Pack with Flat Trigger - 4 U.S. 922 Parts - HKP-18513 HK MP5, HK94, SP5 Trigger Pack - Flat Trigger -  9mm - 4 US Made 922r Parts
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    HK MP5, HK94, SP5 Trigger Pack - Flat Trigger - 9mm - 4 US Made 922r Parts

    HKP HK Parts

    $299.95
    HKP Zenith 9mm US Made Trigger Pack With Flat Trigger  Semi auto trigger pack complete with flat trigger installed. Completely assembled & ready to drop in. The remaining parts are all German HK Or US made parts to make up the rest of the...
    HKP-18513
    $299.95
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  • Out Of Stock
    New - POF MP5, HK94, MP5K, SP89 & SP5K Firing Pin - HKP-18264 HK MP5, HK94K, SP89 Firing Pin

    HK MP5, HK94K, SP89 Firing Pin

    POF

    $24.95
    HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...
    HKP-18264
    $24.95
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    $24.95
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  • New - HK94, SP89 Original Plastic Grip For Metal Housing - HKP-01423 HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic
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    HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic

    H&K Heckler & Koch

    $49.99
    H&K 94 & SP89 Original Plastic Grip For Metal Housing This original plastic grip is designed for use with metal housing setups. Specifications: Original Plastic Grip Compatible With: HK SP89 HK 94 HK 93
    HKP-01423
    $49.99
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    $49.99
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  • New - CFG MP5, MP5K Low Profile Rear Sight Base Mount - 5 Slot - HKP-18235 HK MP5, MP5K Optic Mount - Low Profile - Rear - Picatinny
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    HK MP5, MP5K Optic Mount - Low Profile - Rear - Picatinny

    CFG

    $99.95
    CFG MP5, MP5K Low Profile Rear Sight Base Mount - 5 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny optic mount to your HK MP5, MP5K firearm...
    HKP-18235
    $99.95
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    $99.95
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  • Out Of Stock
    New - H&K Burst Roller Type Trip Lever - Latest Style - HKP-01846 HK Burst Roller Type Trip Lever - Latest Style

    HK Burst Roller Type Trip Lever - Latest Style

    H&K Heckler & Koch

    $99.95
    H&K Burst Roller Type Trip Lever - Latest Style Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2
    HKP-01846
    $99.95
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  • New - B&T MP5 Handguard With LED Weapon Light -TL99 - HKP-16901 HK MP5 Handguard with LED Weapon Light - TL99
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    HK MP5 Handguard with LED Weapon Light - TL99

    B&T Brugger & Thomet

    $649.95
    B&T Brugger & Thomet Model TL99 CREE LED Lit Handguard for HK MP5 and HK94 Models Each unit handguard is built with the integrated tactical LED light and 3 position switch. Specifications: High intensity torch light Focused beam Shock proof,...
    HKP-16901
    $649.95
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    $649.95
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  • Used - HKP MP5 9mm SEF Semi Trigger Pack - Match - HKP-17658 HK MP5 9mm SEF Semi Trigger Pack - Match
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    HK MP5 9mm SEF Semi Trigger Pack - Match

    HKP HK Parts

    $479.95
    HKP MP5 9mm SEF Semi Trigger Pack - Match We have one of the best HK gunsmiths in the country that is able to take hand picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and jigs...
    HKP-17658
    $479.95
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  • Used - H&K MP5/SP5K Rear Sight Set Complete-Used - HKP-00671
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    HK MP5, SP5K Rear Sight Set, Complete - Used

    H&K Heckler & Koch

    $109.95
    HK Heckler and Koch German Rear Sight Set Complete - Used for HK MP5 and HK94 Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum...
    HKP-00671
    $109.95
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    $109.95
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  • HK CC9 Holster - Defender IWB - Right Hand HK CC9 Holster - Defender IWB - Right Hand
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    HK CC9 Holster - Defender IWB - Right Hand

    Black Ash Tactical

    $49.95
    Black Ash Tactical Defender IWB Kydex Holster for HK CC9 Inside-the-waistband Kydex holster for the HK CC9. Each holster is handcrafted in the USA for a precise fit and a clean draw with positive retention. Features: IWB (inside-the-waistband)...
    HKP-22436-M
    $49.95
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  • On Sale
    New - H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - BLEMISHED - HKP-01607-B HK91, G3, PTR Magazine - 10 Round - Steel - BLEMISHED
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    HK91, G3, PTR Magazine - 10 Round - Steel - BLEMISHED

    H&K Heckler & Koch

    Now: $56.95
    Was: $89.95
    H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - BLEMISHED MAGAZINE BODY HAS PITTING - CONDITION AND COLOR MAY VARY (see pictures) - Price is per unit. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...
    HKP-01607-B
    Now: $56.95
    Was: $89.95
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    Now: $56.95
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  • On Sale
    New - HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED - HKP-18049-B HK MP5, MP5K Locking Piece - 100 Degree - Gunsmith Special - BLEMISHED
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    HK MP5, MP5K Locking Piece - 100 Degree - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $9.95
    Was: $33.95
    HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED   GUNSMITH SPECIAL.  THESE UNITS WILL NEED RE-WORK BEFORE USE. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.   Please Note: Will...
    HKP-18049-B
    Now: $9.95
    Was: $33.95
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    Now: $9.95
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