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 MR762 M-LOK 14.7" Handguard - Black - HKP-19775 HK MR762 M-LOK Handguard - 14.7"
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    HK MR762 M-LOK Handguard - 14.7"

    H&K Heckler & Koch

    $294.95
    H&K HK MR762 M-LOK 14.7" Handguard - Black This handgurad is 14.7" long featuring a flat top Picatinny Rail and M-LOK attachment points. Compatible With: HK MR762
    HKP-19775
    $294.95
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    Qty in Cart: 0
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    $294.95
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  • New - H&K MR556/417 Trigger, Hammer Pin - HKP-15456
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    HK MR556/417 Trigger, Hammer Pin

    H&K Heckler & Koch

    $14.99
    H&K MR556/417 Trigger, Hammer Pin Compatible With: HK MR556 HK 417
    HKP-15456
    $14.99
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    $14.99
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  • New - HKP Mark 23 .45 ACP 4 Prong Flash Hider - Threaded 9/16x24 RH - HKP-02187 HKP Mark 23 .45 ACP 4 Prong Flash Hider - Threaded 9/16x24 RH
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    HKP Mark 23 .45 ACP 4 Prong Flash Hider - Threaded 9/16x24 RH

    USA

    $79.95
    HKP Mark 23 .45 ACP 4 Prong Flash Hider - Threaded 9/16x24 RH The 9/16x24 RH Thread 4 Prong Flash Hider is built to the highest standards. Each flash hider adds a neat look & feel while providing outstanding flash hiding capabilities. Perfect for...
    HKP-02187
    $79.95
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    Qty in Cart: 0
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    $79.95
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  • New - H&K HK Mark 23 Magazine Release Spring - HKP-01789
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    HK Mark 23 Magazine Release Spring

    H&K Heckler & Koch

    $10.95
    HK Mark 23 Magazine Release Spring
    HKP-01789
    $10.95
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    Qty in Cart: 0
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    $10.95
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  • New - H&K HK USP .45 ACP Trigger - HKP-16541
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    HK USP .45 ACP Trigger

    H&K Heckler & Koch

    $24.95
    H&K HK USP .45 ACP Trigger Heckler & Koch German USP 45, trigger. Steel over molded with polymer. Compatible With: HK USP 45 Full Size
    HKP-16541
    $24.95
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    $24.95
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  • New - Safariland HK VP9/P30 Compact RH Paddle Holster - FDE - HKP-17547 HK VP9/P30 Compact Holster - Paddle - RH - FDE
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    HK VP9/P30 Compact Holster - Paddle - RH - FDE

    Safariland

    $47.95
    Safariland HK VP9/P30 Compact RH Paddle Holster - FDE The Safariland 578 GLS HK Pro-fit holster is a multi-purpose holster primarily designed for concealment & comfort. With minor adjustments with the included tool the holster will fit over 100+...
    HKP-17547
    $47.95
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    Qty in Cart: 0
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    $47.95
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  • New - Beta C-Mag 100 Round Glock 9mm Drum Magazine - Black - HKP-02622
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    Beta C-Mag 100 Round Glock 9mm Drum Magazine

    Beta C-Mag

    $759.95
    Beta C-Mag 100 Round Glock 9mm Drum Magazine Specifications: Caliber: 9mm Capacity: 100 Rounds Material: Polymer Manufacturer: The Beta Company Compatible With: Glock 17 Glock 19 Glock 26 Clock 18 double stack  Glock 9mm models
    HKP-02622
    $759.95
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    $759.95
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  • New - H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs - HKP-02488
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    HK 2 Round Count Burst Wheel for 4 Position Trigger Packs

    H&K Heckler & Koch

    $119.95
    H&K 2 Round Count Burst Wheel for 4 Position Trigger Packs This wheel can be used to convert a 0,1,3, F to a 2-round burst rather than a 3-round burst option.
    HKP-02488
    $119.95
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    $119.95
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  • Out Of Stock
    New - HKP HK 416/MR556 Short Quad Rail - HKP-17984

    HK416, MR556 Quad Rail - Short

    HKP HK Parts

    $249.95
    HKP HK 416/MR556 Short Quad Rail  
    HKP-17984
    $249.95
    Out Of Stock
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    $249.95
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  • New - H&K HK MR556/MR762/417 Index Pin Spring - HKP-17021
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    HK417, MR556, MR762 Index Pin Spring

    H&K Heckler & Koch

    $7.95
    H&K HK MR556/MR762/417 Index Pin Spring   Compatible With: HK MR556 HK 417 HK MR762  
    HKP-17021
    $7.95
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    $7.95
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  • New - H&K HK MR556 Operator's Manual - HKP-02441
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    HK MR556 Operator's Manual

    H&K Heckler & Koch

    $19.95
    HK MR556 Operator's Manual
    HKP-02441
    $19.95
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    $19.95
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  • New - HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH - HKP-02579 HK UMP, USC Flash Hider  - Birdcage - Threaded 16x1 LH
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    HK UMP, USC Flash Hider - Birdcage - Threaded 16x1 LH

    HDPS

    $137.95
    HDPS HK UMP/USC Birdcage Flash Hider For Threaded Barrels - Threaded 16x1 LH Designed for threaded barrels with a 16x1 LH thread, this flash suppressor is modeled after the HK UMP flash suppressor for flanged barrels. It’s perfect for those who...
    HKP-02579
    $137.95
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    $137.95
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