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 - B&T MP5, 94 Low Mount, Extra Long Scope Rail - HKP-16881 HK MP5 optic mount installed on receiver with low profile Picatinny rail
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    HK MP5, HK94 Optic Mount - 246mm - Low Profile - Picatinny

    B&T Brugger & Thomet

    $239.95
    B&T MP5, 94 Low Mount, Extra Long Scope Rail Swiss made, military grade, B&T MP5 extra long low-profile scope mount. Requires the removal of the MP5 rear sight. Provides the longest possible Picatinny rail. Specifications: Color: Black Height...
    HKP-16881
    $239.95
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    $239.95
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  • On Sale
    HK Handguard Sling Pin - Ambi - Small - USED HK Handguard Sling Pin - Ambi - Small - USED
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    HK Handguard Sling Pin - Ambi - Small - USED

    H&K Heckler & Koch

    Now: $42.95
    Was: $61.95
    HK Handguard Sling Pin - Ambi - Small - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. This ambidextrous pin will allow the user to attach a sling hook to...
    HKP-00077-USED
    Now: $42.95
    Was: $61.95
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    Now: $42.95
    Was: $61.95
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  • On Sale
    HK Trigger Pack Ejector Lever Axle - USED HK Trigger Pack Ejector Lever Axle - USED
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    HK Trigger Pack Ejector Lever Axle - USED

    H&K Heckler & Koch

    Now: $12.95
    Was: $19.95
    HK Trigger Pack Ejector Lever Axle - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK German ejector lever axle pin for all HK trigger packs. This is the factory correct axle pin that holds the...
    HKP-01091-USED
    Now: $12.95
    Was: $19.95
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    Now: $12.95
    Was: $19.95
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  • Out Of Stock
    HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA

    HK MP5, MP5K Raised Optic Mount with Burris FastFire - 3.5 MOA

    HKP HK Parts / Aimpoint

    $509.95
    HK MP5 Burris FastFire 3.5 MOA Red Dot with Raised Optic Mount The HKP Raised optic mount was designed to elevate the sight to a height that is both comfortable and easy to view, while retaining an unobstructed view of the factory sights. Get the best of...
    HKP-22398-M
    $509.95
    Out Of Stock
    Qty in Cart: 0
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    $509.95
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  • HK G36 ACR Folding Stock - Picatinny Adapter HK G36 ACR Folding Stock - Picatinny Adapter
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    HK G36 ACR Folding Stock - Picatinny Adapter

    HKP HK Parts

    $359.95
    HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...
    HKP-22331
    $359.95
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    $359.95
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  • Used - H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock - HKP-22102 HK91, G3 Slimline Handguard - Jungle Green - New Old Stock
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    HK91, G3 Slimline Handguard - Jungle Green - New Old Stock

    H&K Heckler & Koch

    $39.95
    H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearms
    HKP-22102
    $39.95
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    $39.95
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  • On Sale
    Used - H&K UMP (.45 ACP) 25 Round Magazine - German LEO Markings - LIKE NEW - HKP-17917-B HK UMP Magazine - 25 Round - .45 ACP - German LEO Markings - LIKE NEW
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    HK UMP Magazine - 25 Round - .45 ACP - German LEO Markings - LIKE NEW

    H&K Heckler & Koch

    Now: $172.34
    Was: $229.95
    HK Heckler and Koch .45 ACP 25 Round Magazine for HK UMP - German LEO Markings - LIKE NEW Like-new PD trade in HK German UMP .45 cal 25 Round Factory Magazines. These magazines will fit all UMP factory firearms as well as the USC's that have been...
    HKP-17917-B
    Now: $172.34
    Was: $229.95
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    Now: $172.34
    Was: $229.95
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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 - 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
    Qty in Cart: 0
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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
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    Qty in Cart: 0
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    $749.95
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