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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  • On Sale
    New - HKP MP5 40/10 Receiver Flat - HKP-00767 HK MP5 Receiver Flat - .40 S&W, 10mm
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    HK MP5 Receiver Flat - .40 S&W, 10mm

    HKP HK Parts

    Now: $194.95
    Was: $399.95
    MP5 40 & MP5 10mm Receiver Flat - USA The new and latest production with the weldment locations is already lasered and ready to go. This flat is the finest available for the MP5 40/10 family of firearms. Compatible With: MP5 .40 Cal MP5 10mm MP5 ...
    HKP-00767
    Now: $194.95
    Was: $399.95
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    Now: $194.95
    Was: $399.95
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  • Used - H&K MP5 Factory Ambidextrous Sling - Black - HKP-00350 HK MP5, G36, UMP Sling - Factory - Ambidextrous - Black
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    HK MP5, G36, UMP Sling - Factory - Ambidextrous - Black

    H&K Heckler & Koch

    $64.95
    Heckler and Koch Ambidextrous 25mm Wide Sling for HK MP5, G36, UMP - Black Ambidextrous 25mm wide black sling designed for HK platforms equipped with dual sling clip attachment points. Allows left or right side mounting similar to the factory HK green...
    HKP-00350
    $64.95
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  • New - HKP 90 Series Hammer For Trigger Pack - HKP-00377 HK MP5, HK90 Series Trigger Pack Hammer - Universal
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    HK MP5, HK90 Series Trigger Pack Hammer - Universal

    HKP HK Parts

    $96.95
    HKP HK Parts Hammer for HK90 Series Trigger Pack This US-made hammer is all steel billet, machined, and counts as one US 922r compliant part for your HK clone build. This US-made hammer can be used on all HK SEF, Navy, or 0, 1 style trigger packs in 9mm,...
    HKP-00377
    $96.95
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    $96.95
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  • New - HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH - HKP-21635 HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH
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    HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vertical Slot Micro Comp - Threaded .578x28 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp easily threads on to the end of any factory...
    HKP-21635
    $29.95
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    $29.95
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  • New - MKE HK33/53/93 A3 Telescopic Buttstock - OD Green - HKP-21181 HK33, HK53, HK93 A3 Telescopic Stock - OD Green
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    HK33, HK53, HK93 A3 Telescopic Stock - OD Green

    MKE

    $259.95
    MKE Telescopic Stock in OD GREEN for HK33, HK53, HK93  The MKE telescopic HK33 stock is an easy-to-install telescopic stock system designed to deliver superior comfort and reliable weapon control. The simple lock/release system is easy to operate,...
    HKP-21181
    $259.95
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    $259.95
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  • New - H&K HK MR556/MR762/416/417 Tactical Sling - Black - HKP-00028 HK416, MR556 Sling - Tactical - Black
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    HK416, MR556 Sling - Tactical - Black

    H&K Heckler & Koch

    $109.95
    H&K HK MR556/MR762/416/417 Tactical Sling - Black OEM HK German part. The tool is built into the HK sling hook. For the MR556 model, a sling adapter will be needed for the front attachment point as the MR556 lacks the ambi sling loop on the gas...
    HKP-00028
    $109.95
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    $109.95
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  • New - H&K 91/G3 (7.62x51/.308) Enhanced Trigger Pack - Match - HKP-17014 HK91, G3 Enhanced Trigger Pack - Match
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    HK91, G3 Enhanced Trigger Pack - Match

    H&K Heckler & Koch

    $439.95
    H&K 91/G3 (7.62x51 / .308) Enhanced Trigger Pack - Match Each HK German semi-auto trigger pack has been carefully converted from the factory 12lb pull to a match-weight of 5-6lbs by the renowned HK trigger-smith, Bill Springfield.  The result, a...
    HKP-17014
    $439.95
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    $439.95
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  • New - H&K MP5 Magazine Release Set - HKP-02402 HK MP5, MP5K Magazine Release Set
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    HK MP5, MP5K Magazine Release Set

    H&K Heckler & Koch

    $184.95
    Heckler and Koch Magazine Release Set for HK MP5 and HK MP5K This is the complete magazine release kit that includes both the paddle mag release and standard left-to-right mag release on your HK 9mm rifle or pistol build.  Set...
    HKP-02402
    $184.95
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  • New - Nefarious Arms - NAS HK 416 Adjustable Gas Block - HKP-21040 HK416, MR556 Adjustable Gas Block - 11-20" A1 Barrels - NA5
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    HK416, MR556 Adjustable Gas Block - 11-20" A1 Barrels - NA5

    Nefarious Arms

    $374.95
    Nefarious Arms - NA5 HK 416 Adjustable Gas Block Nefarious Arm user configurable 2-position adjustable gas block compatible with 11″ – 20″ A1 MR556 and HK416 barrels.  Each gas block ships with 6 vent screws, a screwdriver,...
    HKP-21040
    $374.95
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  • Out Of Stock
    New - RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-01136 HK91, G3 Barrel - 7.62 / .308 - 17.7" - Threaded 15x1 RH

    HK91, G3 Barrel - 7.62 / .308 - 17.7" - Threaded 15x1 RH

    RCM

    $264.95
    RCM HK G3/91 (7.62x51/.308) Barrel - Threaded 15x1 RH Made by RCM to the highest tolerances and finest material available. Perfect for that HK build or to replace that shot-out barrel. Each barrel counts as 1 US-compliant part as a bonus. These are...
    HKP-01136
    $264.95
    Out Of Stock
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    $264.95
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  • New - H&K HK MR762/417 Bench Mat - HKP-17170 HK417, MR762 Bench Mat
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    HK417, MR762 Bench Mat

    HKP HK Parts

    $24.95
    HK MR762, HK 417 Bench Mat Our HK MR762, HK417 bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch MR762 & HK417 models. Have fun and learn while you work on your favorite H&K firearm. The soft top...
    HKP-17170
    $24.95
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  • New - H&K HK MR556/MR762/416 Forward Assist Pin - HKP-02662 HK416, MR556, MR762 Forward Assist Pin
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    HK416, MR556, MR762 Forward Assist Pin

    H&K Heckler & Koch

    $4.95
    Heckler and Koch's Forward Assist Pin for HK416, HK MR556, and HK MR762 Compatible With: HK416, MR556 HK MR762
    HKP-02662
    $4.95
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    $4.95
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