HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

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  • New - H&K HK MR762 E2 Convex Butt Pad w/ Bowden Retaining Wire - hkp-18488 HK MR762 E2 Convex Butt Pad w/ Bowden Retaining Wire
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    HK MR762 E2 Convex Butt Pad w/ Bowden Retaining Wire

    H&K Heckler & Koch

    $67.95
    MR762, 417 German Convex Butt Pad With Bowden Retaining Wire Harness This item can be added as an option on the HK MR762 & HK712/G28 E1/E2 Stock. Providing you an option to use either the concave or convex style buttpads for different mission...
    hkp-18488
    $67.95
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    $67.95
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  • New - HKP HK MR556/416 DMR KeyMod Extended 15" Handguard - Black - HKP-18020
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    HK416, MR556 DMR KeyMod Extended 15" Handguard

    HKP HK Parts

    $249.95
    HKP HK MR556/416 DMR KeyMod Extended 15" Handguard
    HKP-18020
    $249.95
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  • New - H&K HK MR556/MR762/416/417 Stock Release Lever Pin - HKP-16860
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    HK416, HK417, MR556, MR762 Stock Release Lever Pin

    H&K Heckler & Koch

    $6.95
    HK 416  & MR556 E1/E2 & HK 417, MR762 Stock Release Lever Pin Brand new factory German production. A must have spare part that should be replaced each time you remove or install the roll pin. Made in Germany.
    HKP-16860
    $6.95
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    $6.95
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  • Out Of Stock
    New - H&K HK G36 Complete 3X Single Optic Carrying Handle - HKP-16388 HK G36 Complete 3X Single Optic Carrying Handle

    HK G36 Complete 3X Single Optic Carrying Handle

    H&K Heckler & Koch

    $695.99
    H&K HK G36 Complete 3X Single Optic Carrying Handle Brand new. Mounting hardware offered separately.
    HKP-16388
    $695.99
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    $695.99
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  • New - HDPS HK UMP (.40 S&W/.45 ACP) 5 Prong Flash Suppressor - HKP-02368
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    HK UMP Flash Hider - 5 Prong - 10mm, .40 S&W, .45 ACP

    HDPS

    $159.95
    HK UMP Flash Hider - 5 Prong - 10mm, .40, .45 Designed to fit flanged UMP barrels. Will fit factory HK UMP barrels as well as the UMP 10mm/.40/.45/ US-made barrels offered by HK Parts. Made in USA Compatible With: HK UMP .40 S&W HK UMP .10mm HK UMP ...
    HKP-02368
    $159.95
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    $159.95
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  • New - MM HK UMP 9mm Conversion Kit - HKP-02286 HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine
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    HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine

    Michaels Machines

    $1,293.95
    MM HK UMP, USC Conversion Kit - 9mm This 9mm conversion kit is designed for USC-to-UMP builds and allows existing .45 ACP conversions to be changed over to 9mm with a simple, drop-in parts swap. All components install in minutes and are built to...
    HKP-02286
    $1,293.95
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  • Out Of Stock
    New - H&K HK21 (7.62x51/.308) Locking Piece - HKP-01745

    HK21 Locking Piece - 7.62x51/.308

    H&K Heckler & Koch

    $149.95
    H&K HK21 (7.62x51/.308) Locking Piece - New Factory, Old Stock The HK21 standard 50-degree locking piece. Each LP includes the hardness "dot" to identify them as HK 21 locking pieces.
    HKP-01745
    $149.95
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  • Out Of Stock
    New - HKP HK 91/G3 (7.62x51/.308) Trigger Group (0,1) - 2 Position - Safe/Semi Only - HKP-17235 HK91, G3 Trigger Group (0,1) - 2 Position - Safe / Semi Only

    HK91, G3 Trigger Group (0,1) - 2 Position - Safe / Semi Only

    HKP HK Parts

    $429.95
    G3, 91, PTR Trigger Group 2 Position Housing 0,1- Safe, Semi Only Finally a lower cost alternative to the spendy & rare all-German HK FBI or 0,1 ambidextrous trigger group in a 2 position factory German HK housing. Each trigger group features a...
    HKP-17235
    $429.95
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  • New - HKP 93/33 (5.56/.223) Key Mod Handguard - HKP-17179 HKP 93/33 (5.56/.223) Key Mod Handguard
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    HKP 93/33 (5.56/.223) Key Mod Handguard

    HKP HK Parts

    $129.95
    HK93, 33 & PTR Low Profile Key Mod Forearm The KeyMod tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting...
    HKP-17179
    $129.95
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  • New - HKP HK 93/53/33 (5.56/.223) Ambidextrous 0,1 Trigger Pack - HKP-17233 HK33, HK53, HK93 Trigger Pack - 0,1 - Ambidextrous
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    HK33, HK53, HK93 Trigger Pack - 0,1 - Ambidextrous

    HKP HK Parts

    $379.95
    HKP HK 93/53/33 (5.56 / .223) Ambidextrous 0,1 Trigger Pack A lower cost alternative to the spendy and hard to find all German HK FBI or 0,1 ambi trigger packs. Now for the first time, we have the popular trigger pack available in an all-German & US...
    HKP-17233
    $379.95
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    $379.95
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  • New - MP5K Semi Only 4 Position Trigger Group Complete - Clipped & Pinned - HKP-00185 MP5K Semi Only 4 Position Trigger Group Complete - Clipped & Pinned
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    MP5K Semi Only 4 Position Trigger Group Complete - Clipped & Pinned

    H&K Heckler & Koch

    $1,499.95
    MP5K Semi Only 4 Position Trigger Group Complete   With Safe, Semi functions only but provides the look and feel of the four position (0,1,3, F) housing. New HK German.   Compatible With: HK MP5K/SP89 9mm
    HKP-00185
    $1,499.95
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    $1,499.95
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  • Out Of Stock
    New - MM Registered Sear Pack - Re-Timed Hammer - Belt-Fed - HKP-16996 Re-Timed Hammer for Registered Sear Packs - Belt Fed

    Re-Timed Hammer for Registered Sear Packs - Belt Fed

    Michaels Machines

    $198.95
    MM Registered Sear Pack - Re-Timed Hammer - Belt-Fed Billeted re-timed Hammer that has been professionally re-timed by Michael's Machines for belt-fed HK firearms with registered sear packs. A one piece billeted HK re-timed hammer is the necessary...
    HKP-16996
    $198.95
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    $198.95
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