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 - HKP HK UMP/USC & G36 Flat Trigger - HKP-20766-M HK UMP, USC, G36 Flat Trigger
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    HK UMP, USC, G36 Flat Trigger

    HKP HK Parts

    $99.95
    HKP HK UMP/USC & G36 Flat Trigger Our flat trigger has spaced out serrations at the face of the trigger for a superior grip. Chamfered edges prevent the trigger face serrations from cutting into the operator's hands over prolonged range sessions...
    HKP-20766-M
    $99.95
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    $99.95
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  • New - HKP HK MP5K Vertical Grip - OD Green - HKP-20592 HK MP5K Vertical Foregrip - OD Green
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    HK MP5K Vertical Foregrip - OD Green

    HKP HK Parts

    $34.95
    MP5K Vertical Grip O.D Green - USA New OD green MP5K K-Grip handguard for MP5K and the ever popular MP5K-Reverse stretch models. Now you can further customize your MP5K/ SP5K with this new color grip and, best of all, it counts as 1 U.S compliant part...
    HKP-20592
    $34.95
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    $34.95
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  • New - H&K MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal - HKP-20326 HK MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal
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    HK MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal

    H&K Heckler & Koch

    $199.95
    H&K MP5/SP5 9mm SEF Semi-Auto Trigger Housing - Universal The ultimate solution for MP5 and SP5 style receivers, this universal trigger housing simplifies swapping between receivers. German HK-manufactured, it allows you to easily transfer your...
    HKP-20326
    $199.95
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    $199.95
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  • New - H&K HK /MR556416 A5 Ambidextrous Complete Selector Lever Set - RAL 8K - HKP-17603 HK416A5, MR556 Ambidextrous Complete Selector Lever Set  - RAL8000
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    HK416A5, MR556 Ambidextrous Complete Selector Lever Set - RAL8000

    H&K Heckler & Koch

    $189.95
    HK416A5 SEMI & MR556 Ambidextrous Selector Lever Set Complete - RAL 8000 New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK416A5 semi style of levers. Includes: HK416A5 semi or MR556 Axle HK416A5...
    HKP-17603
    $189.95
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  • Out Of Stock
    New - H&K Universal Harris Bipod Adapter - HKP-01852 HK Universal Harris Bipod Adapter

    HK Universal Harris Bipod Adapter

    H&K Heckler & Koch

    $199.95
    HK Factory Harris Bipod Adapter - Low Profile This adapter is to attach the Harris bipod to any Picatinny rail. It is compatible with all Picatinny railed forearms or applications. A new HK German manufactured part made for the HK 416, MR556, HK417...
    HKP-01852
    $199.95
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    $199.95
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  • HK91, G3 Stock - AR15 Style - Complete Assembly
HK91, G3 Stock - AR15 Style - Complete Assembly
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    HK91, G3 Stock - AR15 Style - Complete Assembly

    PTR

    $274.95
    PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those that want to use The popular Magpul MIL-SPEC Moe...
    HKP-15614
    $274.95
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    $274.95
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  • On Sale
    New - HKP Tactical Rail - 3 Inch - HK91/93 - HKP-00894 HK91, G3 Tactical Rail - 3 Inch
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    HK91, G3 Tactical Rail - 3 Inch

    HKP HK Parts

    Now: $9.95
    Was: $14.95
    HKP Tactical Rail - 3 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...
    HKP-00894
    Now: $9.95
    Was: $14.95
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    Now: $9.95
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  • Out Of Stock
    New - H&K SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended - HKP-19027 HK SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended

    HK SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended

    H&K Heckler & Koch

    $74.95
    HK German SEF Extended Axle Selector Lever For Polymer Housings - Extended The HK Extended SEF Long Axle Selector Lever is designed for use with polymer SEF-type grips or trigger housings. This extended lever provides enhanced control and ease of use,...
    HKP-19027
    $74.95
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    $74.95
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  • New - H&K MP5 4 Position Burst Trigger Group 0,1,3,F - HKP-01496 HK MP5 4 Position Burst Trigger Group 0,1,3,F
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    HK MP5 4 Position Burst Trigger Group 0,1,3,F

    H&K Heckler & Koch

    $3,299.95
    H&K MP5 4 Position Burst Trigger Group 0,1,3,F MP5 4 Position Burst 0,1,3,F Trigger Group Complete - HK GermanyNew HK German factory fresh 9mm MP5 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany and is...
    HKP-01496
    $3,299.95
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    $3,299.95
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  • On Sale
    HK416A5, MR556 Enhanced Incomplete Trigger Guard HK416A5, MR556 Enhanced Incomplete Trigger Guard
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    HK416A5, MR556 Enhanced Incomplete Trigger Guard

    H&K Heckler & Koch

    Now: $22.95
    Was: $39.95
    Enhanced HK Trigger Guard Upgrade Incomplete - A5 - HK416 & HK MR556  Upgrade your MR556, HK416 & CR556 to the latest gen HK416 A5 enhanced trigger guard. Enlarged trigger guard area to use with gloves.  Please Note:  This item is...
    HKP-19377
    Now: $22.95
    Was: $39.95
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    Now: $22.95
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  • New - H&K HK MR762/417/G28 Adjustable Buttstock - Black - HKP-16721 HK417, MR762, G28 Buttstock - Adjustable
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    HK417, MR762, G28 Buttstock - Adjustable

    H&K Heckler & Koch

    $347.95 - $425.95
    H&K HK MR762/417/G28 Adjustable Buttstock  The HK G28 adjustable stock upgrade is to be used on the MR762, HK 417 stocks with the G28 buffer tube and G28 castle nut. The G28 stock is fully adjustable for length of pull as well as the cheek...
    HKP-16721-M
    $347.95 - $425.95
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  • New - H&K HK MR556/416 Bolt Catch - HKP-02542 HK416, MR556 Bolt Catch
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    HK416, MR556 Bolt Catch

    H&K Heckler & Koch

    $59.95
    HK MR556 & 416 Bolt Catch New HK German manufacture.  Compatible With: HK 416 HK MR556
    HKP-02542
    $59.95
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    $59.95
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