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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  • Out Of Stock
    Used - FMP HK 91/G3 (7.62x51/.308) Complete Bolt Head - HK Contract FMP - Used - HKP-17628 HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    HK91, G3 Complete Bolt Head - HK Contract FMP - Used

    H&K Heckler & Koch

    $59.95
    HK CONTRACT FMP - HK G3 & HK 91 & PTR Bolt Head Complete Made on HK tooling & prints in Portugal in the 1980's. Each used bolt head is complete with all parts installed & 100% functional. Removed from de-milled FMP HK G3 rifles. Each bolt...
    HKP-17628
    $59.95
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  • New - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Axle Pin - HKP-17624
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin

    H&K Heckler & Koch

    $9.95
    HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR HK 93, 33, 53 HK21, 23, 11, 13 PSG1, MSG90
    HKP-17624
    $9.95
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    $9.95
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  • HK German Bayonet Adapter With Hardware HK German Bayonet Adapter With Hardware
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    HK German Bayonet Adapter With Hardware

    H&K Heckler & Koch

    $159.95
    H&K German Bayonet Adapter With Hardware HK German Bayonet Adapter W/ Hardware made under a Turkish contract. The HK bayonet adapter replaces the cocking tube end cap (dust cap). Then the bayonet slides into the spring-loaded mechanism in the...
    HKP-00021
    $159.95
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  • HK MP5 to AR Stock and Adapter
HK MP5 to AR Stock and Adapter
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    HK MP5 to AR Stock and Adapter

    HKP HK Parts

    $229.95
    HKP MP5 to AR Adapter & Stock Complete Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock...
    HKP-17119
    $229.95
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  • Out Of Stock
    New - H&K MP5 3 Position (0,1,F Pictogram) Navy Housing - Push Pin - HKP-16065 HK MP5 3 Position (0,1,F Pictogram) Navy Housing - Push Pin

    HK MP5 3 Position (0,1,F Pictogram) Navy Housing - Push Pin

    H&K Heckler & Koch

    $324.95
    H&K MP5 3 Position (0,1,F Pictogram) Navy Housing - Push Pin This H&K grip housing is designed for MP5 models with push pin type receivers. Featuring the iconic Navy housing and 3 position pictogram (0,1,F), this housing provides reliable and...
    HKP-16065
    $324.95
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  • Used - G3 A2 Adjustable Stock Extension - HKP-00872 G3 A2 Adjustable Stock Extension USA HKP-00872
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    HK G3 A2 Adjustable Stock Extension

    USA

    $69.95
    HK G3 A2 Adjustable Stock Extension Each stock extension is adjustable in 1/2" increments to enable you to achieve the proper length of trigger pull. This allows you a full 1.50" in length adjustments. These extensions are manufactured using high-impact,...
    HKP-00872
    $69.95
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  • On Sale
    HK MP5, 90 Series Locking Plate for Rollers HK MP5, 90 Series Locking Plate for Rollers
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    HK MP5, 90 Series Locking Plate for Rollers

    Special Weapons

    Now: $3.95
    Was: $8.95
    Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...
    HKP-99399
    Now: $3.95
    Was: $8.95
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  • New - H&K HK21 200 Round Belt with Starter Tab - HKP-21925 HK23, HK21, HK11 Ammunition Belt with Starter Tab - 200 Round
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    HK23, HK21, HK11 Ammunition Belt with Starter Tab - 200 Round

    H&K Heckler & Koch

    $114.95
    H&K HK21 200 Round Belt with Starter Tab - 7.62x51/.308 Custom 200 round belt for HK21 and MG3 belt-fed rifles because 50 rounds just isn't enough! Compatible With: HK 23/21/11
    HKP-21925
    $114.95
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    $114.95
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  • On Sale
    New - B&T Rifle Case Accessory Pouch - Velcro Mount - HKP-21882 Rifle Case Accessory Pouch - Velcro Mount
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    Rifle Case Accessory Pouch - Velcro Mount

    B&T Brugger & Thomet

    Now: $12.95
    Was: $24.95
    B&T Rifle Case Accessory Pouch - Velcro The B&T Accessory Pouch is a versatile and durable storage solution designed to keep essential firearm accessories secure and easily accessible. Whether you need to store bolts, suppressors, small...
    HKP-21882
    Now: $12.95
    Was: $24.95
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  • Used - H&K G3 Standard Stock Buttpad - Green - Used - HKP-21865 HK G3 Standard Stock Buttpad - Green - Used
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    HK G3 Standard Stock Buttpad - Green - Used

    H&K Heckler & Koch

    $2.95
    H&K G3 Standard Stock Buttpad - Green - Used This German-made buttpad is an excellent replacement for your worn-out or broken buttpadd on the G3 stock. Used but fully functional.  Compatible With: HK G3
    HKP-21865
    $2.95
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  • New - HKP HK 416 (5.56/.223) A5 Converted Barrel - Threaded 1/2x28 - HKP-21449 HK416, MR223 Barrel - 5.56 / .223 - 14.5" - Threaded 1/2x28 - A5 Style
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    HK416, MR223 Barrel - 5.56 / .223 - 14.5" - Threaded 1/2x28 - A5 Style

    HKP HK Parts

    $588.95
    H&K 416 A5 Converted Barrel - Threaded 1/2x28 These barrels began as standard A3 style but have been precisely machined with an A5-style relief cut to fit HK416 & MR223 A5 uppers. Now, you can have a drop-in barrel for your 416/MR223 A5 upper at...
    HKP-21449
    $588.95
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    $588.95
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  • New - Blitzkrieg PTR Flat Front Sight Gen 2 - Luminescent Green - HKP-21104 PTR Flat Tip Front Sight - Gen 2 - Luminescent Green
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    PTR Flat Tip Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg PTR Flat Tip Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an innovative approach to this classic sighting system. Featuring a conventional flat-tipped post and a striking Tritium dot with a Lumi Green...
    HKP-21104
    $87.95
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    $87.95
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