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 (5.56/.223) & (7.62x51/.308) Birdcage Flash Hider - Threaded 15x1 RH - HKP-00359 HK91, G3, HK93, HK417 Flash Hider - Birdcage - Threaded 15x1 RH
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    HK91, G3, HK93, HK417 Flash Hider - Birdcage - Threaded 15x1 RH

    H&K Heckler & Koch

    $34.95
    HK Heckler and Koch's Birdcage Flash Hider   Threads onto 15x1 RH twist barrels. This factory German flash hider attaches to any factory HK barrel. No tools required for installation.   Specifications: Made In Germany Threaded 15x1...
    HKP-00359
    $34.95
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  • New - HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned - HKP-17945 HK SP5K 9mm Housing - SEF, Navy Style - Clipped & Pinned
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    HK SP5K 9mm Housing - SEF, Navy Style - Clipped & Pinned

    H&K Heckler & Koch

    $199.95
    HK German SP5K Spec - Navy Style - SEF C/P Housing HK SP5K Spec ONLY for the newly released HK SP5K spec. Made is Germany and machined to fit the HK SP5K spec only. Compatible With: HK SP5K 9mm Spec For use with an SEF style trigger pack not the...
    HKP-17945
    $199.95
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    $199.95
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  • New - H&K MP5/SP5 9mm Magazine Unloader - HKP-00085 HK MP5/SP5 9mm Magazine Unloader
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    HK MP5/SP5 9mm Magazine Unloader

    H&K Heckler & Koch

    $109.95
    H&K MP5/SP5 9mm Magazine Unloader HK MP5 German Magazine Unloader for MP5, SP5, and HK94 9mm magazines. This part is compatible with the 30, 15, and 10-round factory magazines.
    HKP-00085
    $109.95
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    $109.95
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  • New - H&K Bungee Single Point Sling - 1325mm Long - HKP-18728 HK Bungee Single Point Sling - 1325mm Long
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    HK Bungee Single Point Sling - 1325mm Long

    H&K Heckler & Koch

    $114.95
    H&K Bungee Single Point Sling - 1325mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...
    HKP-18728
    $114.95
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    $114.95
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  • HK91, G3 Barrel - FMP - 17.7" - Threaded 15x1 HK91, G3 Barrel - FMP - 17.7" - Threaded 15x1
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    HK91, G3 Barrel - FMP - 17.7" - Threaded 15x1

    FMP HK CONTRACT

    $89.95
    HK G3, 91 Barrel - 7.62/.308 - 17.7" - Threaded 15x1 Original 17.7" FMP G3 barrel threaded 15x1 RH. Portuguese manufactured to HK's military specifications. These surplus barrels are perfect for building a FMP G3 parts kit or as a replacement. Barrels...
    HKP-22532
    $89.95
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  • Out Of Stock
    New - Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red - HKP-19188

    M-LOK Rail Section - 7 Slot - KeyMod - Red

    Strike Industries

    $25.95
    Strike Industries M-LOK & KeyMod Universal 7 Slot Rail Section - Red Strike Industries LINK attachment system takes the age old question Key-Mod vs. M-LOK and came up with the ultimate solution, a dual interface design compatible with both M-LOK and...
    HKP-19188
    $25.95
    Out Of Stock
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    $25.95
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  • New - B&T Quick Detach Polymer Unigrip - Black - HKP-18102
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    B&T Quick Detach Polymer Unigrip - Black

    B&T Brugger & Thomet

    $75.00
    B&T Quick Detach Polymer Unigrip This simple foregrip is designed to be mounted on the NAR/Picatinny rail of the firearm. The grip features an integrated storage compartment. Specifications: Color: Black Length: 5" (130mm) Weight: 113g Material:...
    HKP-18102
    $75.00
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    $75.00
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  • New - HKP HK UMP, HK USC Lower Axle - HKP-19383
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    HK UMP, USC Lower Axle Pin

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Lower Axle Pin - US 3 lower axle pins are used for each trigger group or lower all the same size with the exception of the mag release axle on the USC.
    HKP-19383
    $9.95
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  • New - H&K SP5 9mm Spec Only SEF Navy Style RH Trigger Housing - Clipped & Pinned - HKP-19233 HK SP5 9mm Spec Only SEF Navy Style Trigger Housing - Clipped & Pinned
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    HK SP5 9mm Spec Only SEF Navy Style Trigger Housing - Clipped & Pinned

    H&K Heckler & Koch

    $179.95
    H&K SP5 9mm Spec Only SEF Navy Style Trigger Housing - Clipped & Pinned Fits only HK SP5 9mm. This trigger house is for use with SEF style trigger packs. This will not work with the ambidextrous style trigger pack that comes with the factory SP5...
    HKP-19233
    $179.95
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  • New - H&K G36/SL8 (5.56/.223) Bolt Catch - HKP-02472 HK G36, SL8 Bolt Catch
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    HK G36, SL8 Bolt Catch

    H&K Heckler & Koch

    $24.95
    HK G36 & SL8 Bolt Catch On AR-15 systems this part would be similar to a cam pin. Compatible With: G36 G36K G36C SL8 variants
    HKP-02472
    $24.95
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  • New - H&K UMP/USC/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Hand Stop Complete - HKP-00596 HK UMP, USC, G36 Handstop Complete
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    HK UMP, USC, G36 Handstop Complete

    H&K Heckler & Koch

    $68.95
    HK German Hand Stop Unit Complete  This unit is compatible with any of the USC/UMP or the G36K or G36C handguards.  
    HKP-00596
    $68.95
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  • Used - H&K 91/G3 (7.62x51/.308) F/A Bolt Carrier - Tungsten Filled - Surplus - HKP-01998 HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus
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    HK91, G3 Bolt Carrier - Full Auto - Tungsten Filled - Surplus

    H&K Heckler & Koch

    $249.95
    HK Factory F/A Tungsten Filled Bolt Carrier Used German Surplus  The tungsten upgrade is ideal for those with bolt bounce issues or who want the smoothest carrier for FA use. These carriers are all used and in good shape and need to be refinished...
    HKP-01998
    $249.95
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    $249.95
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