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 - HK MP5 8" Cocking Tube Extrusion - Gunsmith Special - HKP-99061
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    HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special

    USA

    Now: $19.95
    Was: $54.95
    HK MP5 8" Cocking Tube Extrusion - Gunsmith Special  This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...
    HKP-99061
    Now: $19.95
    Was: $54.95
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    Now: $19.95
    Was: $54.95
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  • New - HKP HK MP5K Optic Scope Rail - HKP-21852 HK MP5K Optic Mount
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    HK MP5K Optic Mount

    HKP HK Parts

    $97.95
    HKP HK MP5K Optic Scope Rail The HKP optic scope rail is designed to be welded to the top of the receiver to provide a secure Picatinny optic mount for your MP5K.  Includes sight mount to retain the factory rear diopter sight. Compatible With: HK...
    HKP-21852
    $97.95
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    $97.95
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  • New - H&K HK21 Cocking Lever Support - HKP-21821 HK21 Cocking Lever Support
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    HK21 Cocking Lever Support

    H&K Heckler & Koch

    $83.95
    H&K HK21 Cocking Lever Support Authentic HK production cocking lever support for the HK21/A1. This NOS part hails directly from Germany, ensuring the quality and precision of original HK components. Compatible With: HK21 HK21-A1
    HKP-21821
    $83.95
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    $83.95
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  • New - SchleTek Carbon Cleaner 150 ml Pump - HKP-21729
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    Carbon-Cleaner - 150 ml Pump

    SchleTek

    $16.95
    SchleTek Carbon Cleaner 150 ml Pump SchleTek Carbon Cleaner is a powerful, fast-acting solution designed to remove stubborn carbon buildup from firearms, suppressors, bolts, gas systems, and other precision components. Its advanced formula penetrates and...
    HKP-21729
    $16.95
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    $16.95
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  • Out Of Stock
    New - Holosun 510C & HM3X Combo - HKP-21657 Picatinny Optic Mount - Holosun 510C, HM3X Combo

    Picatinny Optic Mount - Holosun 510C, HM3X Combo

    Holosun

    $599.95
    Holosun 510C & HM3X Combo - Optic & Magnifier  The HS510C is a versatile open reflex optic designed for long gun applications. HS510C is at home on carbines, PCCs, and shotguns due its durable design. HS510C features and aluminum housing...
    HKP-21657
    $599.95
    Out Of Stock
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    $599.95
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  • Out Of Stock
    New - Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete - HKP-20627 HK UMP .45 Semi-Auto Bolt Group - Complete

    HK UMP .45 Semi-Auto Bolt Group - Complete

    Michaels Machines

    $749.95
    Michaels Machines HK UMP .45 Semi-Auto Bolt Group - Complete MM’s UMP Tungsten filled UMP .45 bolt carrier complete. Heat treated, parkarized and polished for the best look and function possible, as an added bonus it now includes German HK...
    HKP-20627
    $749.95
    Out Of Stock
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    $749.95
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  • New - Michaels Machines HK UMP .40 Semi-Auto Bolt Group - Complete - HKP-20626 HK UMP .40 Semi-Auto Bolt Group - Complete
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    HK UMP .40 Semi-Auto Bolt Group - Complete

    Michaels Machines

    $649.95
    Michaels Machines HK UMP .40 Semi-Auto Bolt Group - Complete MM’s UMP tungsten filled UMP .40 bolt carrier. Heat treated, parkarized and polished for the best look and function possible, as an added bonus it now includes German HK internals which...
    HKP-20626
    $649.95
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    $649.95
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  • Used - HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - USED - HKP-20618 HK MP5 Trigger Housing - SEF Navy - Clipped and Pinned - .40 S&W, 10mm - USED
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    HK MP5 Trigger Housing - SEF Navy - Clipped and Pinned - .40 S&W, 10mm - USED

    H&K Heckler & Koch

    $99.95
    HK MP5 40/10 SEF Navy Style Housing - Clipped & Pinned - USED  A perfect upgrade for your HK MP5 40/10 build. This is the only SEF style housing available for the MP5 40/10 family of firearms. Each housing is professionally clipped and pinned...
    HKP-20618
    $99.95
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    $99.95
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  • New - Franklin Armory MP5 40/10 Binary Trigger Group - Ambi 3 Position Universal Housing - HKP-20085 HK MP5 Binary Trigger Group - Ambi 3 Position Universal Housing - .40 S&W, 10mm
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    HK MP5 Binary Trigger Group - Ambi 3 Position Universal Housing - .40 S&W, 10mm

    H&K Hechler & Koch / FA Franklin Armory

    $1,399.95
    Franklin Armory BFSIII HK-C1 - Trigger Group for  MP5 .40, 10mm- Universal Housing Our universal binary trigger group will come set up as a MP5 40/10, but with our Navy 3 position universal housing you will be able to install in a MP5/SP5, HK 93,...
    HKP-20085
    $1,399.95
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    $1,399.95
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  • On Sale
    New - H&K HK MP7 A2 Parts Kit - HKP-20050 HK MP7 A2 Parts Kit
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    HK MP7 A2 Parts Kit

    H&K Heckler & Koch

    Now: $14,485.95
    Was: $18,535.95
    HK MP7 A2 Parts Kit - German HK Available for the first time ever!  Get your hands on an updated HK German MP7 A2 parts kit.  Each demilled kit is factory original, unfired, and ships in the factory packaging with manuals. Perfect for a...
    HKP-20050
    Now: $14,485.95
    Was: $18,535.95
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    Now: $14,485.95
    Was: $18,535.95
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  • New - H&K HK G36, HK SL8 Forearm With Mounting Points - HKP-01420
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    HK G36, SL8 Handguard - Side, Bottom Mounting

    H&K Heckler & Koch

    $279.95
    HK German G36 & HK SL8 Forearm With Rail Mounting Points Newer style that has the hard mounting points for the side and bottom rails. HK Black In Color. Compatible with all HK SL8's & G36E's models.
    HKP-01420
    $279.95
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    $279.95
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  • New - B&T TP9/MP9 Locking Bar Folding Stock - Black - HKP-17302
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    B&T TP9, MP9 Folding Stock Locking Bar

    B&T Brugger & Thomet

    $19.95
    B&T TP9 and MP9 Locking Bar Folding Stock Locking Bar for Swiss B&T manufactured Tactical Folding Stock for the TP9 and MP9. Compatible With: B&T TP9 B&T MP9
    HKP-17302
    $19.95
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    $19.95
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