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 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 - 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 - 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 - 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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  • New - H&K MP5K/SP89/SP5K 9mm HK Marked Folding Stock - HKP-00391 HK MP5K, SP89, SP5K Folding Buttstock - 9mm - HK Marked
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    HK MP5K, SP89, SP5K Folding Buttstock - 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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  • HK VP9, P30 Magazine, Complete - 30 Round HK VP9, P30 Magazine, Complete - 30 Round
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    HK VP9, P30 Magazine, Complete - 30 Round

    HKP HK Parts

    $72.95
    HKP HK Parts 30 Round Complete 9mm Magazine for HK VP9 and HK P30 New HK German VP9 and 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...
    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 - H&K USP 9mm 18 Round Jet Funnel Magazine - HKP-14549-M HK USP9 Jet Funnel Magazine - 18 Round
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    HK USP9 Jet Funnel Magazine - 18 Round

    H&K Heckler & Koch

    $94.95
    Heckler and Koch 9mm 18 Round Jet Funnel Magazine for HK USP  New style all black steel reinforced Jet Funnel 18 round USP 9mm magazine. This item can be used with or without the jet funnel magwell installed. Compatible With: USP USP Tactical USP...
    HKP-14549-M
    $94.95
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  • New - H&K HK 9mm Barrel Thread Protector O-Ring - Black - HKP-00908
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    HK USP, VP9 Barrel O-Ring - 9mm

    H&K Heckler & Koch

    $4.95
    HK German 9mm Barrel O-ring The O-ring is a high-wear and replacement item. To save money - order 10 or more and get an additional $1 off per O-ring. Compatible with: HK 9mm barrels with O-ring groove HK USP, USP Compact, USP Tactical 9mm HK USP Elite...
    HKP-00908
    $4.95
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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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  • Used - Uzi Recoil Spring Assembly - HKP-19918 UZI Recoil Spring
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    UZI Recoil Spring

    IMI

    $14.95
    Uzi Recoil Spring Assembly Uzi factory IMI bolt carrier spring assembly complete. In perfect working order. Pulled from exc condition demilled Uzi firearms.
    HKP-19918
    $14.95
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