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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    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 - Picatinny to Harris Bipod Adapter - HKP-00909 Harris Bipod Adapter - Long - Picatinny
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    Harris Bipod Adapter - Long - Picatinny

    HKP HK Parts

    $34.95
    Harris Bipod Adapter  This mounts to any Picatinny rail and proves a stable platform to add a Harris bipod or other similar-style bipod. This will fit any Picatinny spec rail or rail system. Made in the US out of aircraft-grade aluminum and steel.
    HKP-00909
    $34.95
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  • New - H&K MP5, HK94 Steel Cocking Tube Support - HKP-00094 HK MP5, HK94 Cocking Tube Support - Steel
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    HK MP5, HK94 Cocking Tube Support - Steel

    H&K Heckler & Koch

    $84.95
    New HK Factory German MP5 & HK94 All Steel Cocking Tube Support Each HK cocking tube support is a factory German HK part that comes complete with the detent and spring installed. This part is the perfect upgrade from the cheap metal or plastic...
    HKP-00094
    $84.95
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  • Used - G3 A2 Adjustable Stock Extension - HKP-00872 G3 A2 Adjustable Stock Extension USA HKP-00872
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    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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  • HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1 HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1
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    HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1

    HKP HK Parts

    $0.00
    HKP HK MP5K Apparel and Patch Collection - Version 1 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22454-M
    $0.00
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  • New - HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH - HKP-22084 HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH
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    HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 RH

    HKP HK Parts

    $29.95
    HKP .45 ACP Vertical Slot Micro Comp - Threaded 16x1 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 spec...
    HKP-22084
    $29.95
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  • Out Of Stock
    New - H&K MR762 A4 Pivot Pin - HKP-21958 HK417, MR762 Takedown Pin - Front - A4 Style

    HK417, MR762 Takedown Pin - Front - A4 Style

    H&K Heckler & Koch

    $40.95
    H&K MR762 A4 Receiver Front Takedown Pin German-made factory pivot pin for the MR762 A4.  Will work with A1 models as well. Compatible With: HK MR762 A1 and A4 HK417  
    HKP-21958
    $40.95
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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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  • 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 - B&T SchleTek Suppressor Cleaner Evolution 1000ml - HKP-21726
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    Suppressor Cleaner Evolution - 1000ml

    SchleTek

    $70.00
    SchleTek Suppressor Cleaner Evolution 1000ml Keep your suppressors clean and optimally functioning with SchleTek suppressor cleaner.  
    HKP-21726
    $70.00
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  • New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin - HKP-21504 HK UMP, USC Sling Pin, Stock Block B
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    HK UMP, USC Sling Pin, Stock Block B

    HKP HK Parts

    $49.95
    HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Stock Block B Sling Pin The original thumb screw version for all stock block B's.
    HKP-21504
    $49.95
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