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 VP9, VP9SK, VP40 Enhanced Support Sleeve HK VP9, VP9SK, VP40 Enhanced Support Sleeve
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    HK VP9, VP9SK, VP40 Enhanced Support Sleeve

    HKP HK Parts

    $14.95 - $19.95
    HKP HK VP9/VP40 Enhanced Support Sleeve The support sleeve in the VP series pistols is a crucial component that allows for the removal of the slide plate, firing pin assembly, and other parts. The factory version is made from polymer, which can wear down...
    HKP-18677-M
    $14.95 - $19.95
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    $14.95 - $19.95
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  • New - HKP Paddle Style Extended Mag Release - EMR - HKP-17079 HK MP5, MP5K, G3, HK93 Mag Release - Paddle Style - Extended - EMR
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    HK MP5, MP5K, G3, HK93 Mag Release - Paddle Style - Extended - EMR

    HKP HK Parts

    $44.95
    HKP Paddle Style Extended Mag Release - EMR A great addition to any paddle style mag release, such as those found on an HK. The extended mag release is machined from a solid billet of aircraft grade aluminum and hard anodized aluminum for a lightweight...
    HKP-17079
    $44.95
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  • New - HKP Single Point Sling - HK Style - Black - HKP-02644 HK Single Point Sling - HK Style - Black
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    HK Single Point Sling - HK Style - Black

    HKP HK Parts

    $34.95
    HK Single Point Sling in Black This is a very nice sling for the money. It also has quick detach buckles that allow quick changes and removal. Specifications: Composition: Thick, all-black, heavy-duty Style: Bungee-type design for...
    HKP-02644
    $34.95
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  • New - MFI Snap Sling Hook 1.25" - HKP-01523
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    MFI Snap Sling Hook 1.25"

    MFI

    $4.95
    HK Style 1.25" Snap Hook For Sling This sling hook is designed for wider 1.25" width slings. Made in the USA, and is great for HK sling projects and spares. We offer the 1" and the 1.25" sling hooks for all your HK projects.
    HKP-01523
    $4.95
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    $4.95
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  • New - HKP HK MP5K Vertical Grip VFG M-LOK - HKP-20737-M HK MP5K Vertical Grip - VFG M-LOK
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    HK MP5K Vertical Grip - VFG M-LOK

    HKP HK Parts

    $49.95
    HKP HK MP5K Vertical Grip VFG M-LOK  Our VFG for the MP5K platform is now M-LOK compatible. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical grip. Made in the USA...
    HKP-20737-M
    $49.95
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  • HKP 30 Round HK VP9/P30 Complete 9mm Magazine HKP 30 Round HK VP9/P30 Complete 9mm Magazine
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    HKP 30 Round HK VP9/P30 Complete 9mm Magazine

    HKP HK Parts

    $72.95
    HKP 30 Round HK VP9/P30 Complete 9mm Magazine New HK German VP9/P30 Magazine body combo; pre-installed along with the HK Parts 30 round mag extension kit fully installed. Each offering is a complete, fully assembled, ready for the range 30 round 9mm...
    HKP-17172
    $72.95
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  • Out Of Stock
    New - Lazy Wolf VP Series F3 Full Flat Face Trigger - Black - HKP-17988 HK VP Series F3 Trigger - Full Flat Face - 9mm / .40 S&W

    HK VP Series F3 Trigger - Full Flat Face - 9mm / .40 S&W

    Lazy Wolf

    $129.95
    Lazy Wolf's F3 Full Flat Face Trigger for the extensive HK VP Series - Black In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 and VP40 handguns. The drop in VP9 series trigger is the best trigger ever...
    HKP-17988
    $129.95
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  • New - UTG PRO HK MP5/MP5K Claw Mount - Extended Picatinny - HKP-21606 HK MP5, MP5K Optic Mount - Extended Claw - Picatinny
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    HK MP5, MP5K Optic Mount - Extended Claw - Picatinny

    UTG PRO

    $64.95
    UTG HK MP5/MP5K Claw Mount - Extended Picatinny   UTG Pro Claw Mount for MP5 and MP5K pattern firearms featuring UTG's patented receiver locking interface. Each U.S. made mount  features an extended Picatinny rail, lightweight matte black...
    HKP-21606
    $64.95
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  • New - Trijicon RMR Red Dot Sight Replacement Screw Set - HKP-20035 Replacement Screw Set for Red Dot Sight - RMR
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    Replacement Screw Set for Red Dot Sight - RMR

    USA

    $1.95
    Replacement Screw Set For Trijicon RMR Set of 2 6-32 x 1/2" flat head socket cap screws with thread locker. Requires a 2mm allen head key.  Replacement or spare set to mount your Trijicon RMR optic to a #2 optic mounting plate.  
    HKP-20035
    $1.95
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    $1.95
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  • New - H&K HK USPC/P2000 9mm Magazine Flat Floor Plate - HKP-01122
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    HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Flat

    H&K Heckler & Koch

    $22.95
    H&K HK USPC/P2000 9mm Magazine Flat Floor Plate USPC 9mm 13 round flat floor plate for the 9mm UPSC and P2000 magazine. This is a Heckler and Koch genuine part. Perfect for concealed carry or for a lower profile Compatible With: HK USP Compact 9mm...
    HKP-01122
    $22.95
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  • New - H&K MP5K/SP89/SP5K 9mm HK Marked Folding Stock - HKP-00391 HK MP5K, SP89, SP5K Folding Stock - 9mm - HK Marked
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    HK MP5K, SP89, SP5K Folding Stock - 9mm - HK Marked

    H&K Heckler & Koch

    $399.95
    HK Marked MP5K, SP5K, SP89 & MP5K-N, PDW Folding Stock This is the original "HK" logo marked HK factory stock, found on all HK German MP5K's or PDW's. Each stock is marked HK and uses the HK German backplate/buffer factory assembly. Overall Length is...
    HKP-00391
    $399.95
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  • Out Of Stock
    New - HKP Quick Detach Sling Attachment Sling Pin - Small - HKP-18071 HK MP5, HK90 Series Forearm Sling Pin - Quick Detach Attachment

    HK MP5, HK90 Series Forearm Sling Pin - Quick Detach Attachment

    HKP HK Parts

    $37.95
    HKP Quick Detach Sling Attachment Sling Pin - Small The small push pin is used to retain the forearm to the receiver on the HK90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for...
    HKP-18071
    $37.95
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