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 HK MR556/416 Bolt Head Cam Pin - HKP-02539
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    HK416, MR556 Bolt Head Cam Pin

    H&K Heckler & Koch

    $31.95
    Heckler and Koch HK416 and HK MR556 Bolt Head Cam Pin New factory HK German manufactured cam pin for bolt group. A common wear and replacement item.  Compatible With: HK 416, MR556 HK 416 A5 HK M27
    HKP-02539
    $31.95
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  • New - HK SP5K 9mm - SEF, Navy Style - Clipped & Pinned - HKP-17945 HK SP5K 9mm Housing - SEF, Navy Style - Clipped and Pinned
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    HK SP5K 9mm Housing - SEF, Navy Style - Clipped and 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 MP5F & MP5 40,10 Recoil Rod Assembly - HKP-00133 HK MP5F, MP5 40/10 Recoil Rod Assembly - Complete
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    HK MP5F, MP5 40/10 Recoil Rod Assembly - Complete

    H&K Heckler & Koch

    $79.95
    German HK MP5F Recoil Assembly This is the factory-correct MP5F or MP5 40/10 Recoil Rod assembly. Most commonly used for MP5's that are using +P or +P+ ammunition or any high impulse 9mm. Or for all MP5 40 or 10-mm bolt groups. A great upgrade to have...
    HKP-00133
    $79.95
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  • On Sale
    New - H&K 9mm Thread Protector - Threaded 1/2x32 RH - HKP-00108
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    HK MP5, SP5K Thread Protector - 9mm - 1/2x32 RH

    H&K Heckler & Koch

    Now: $32.95
    Was: $39.95
    H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...
    HKP-00108
    Now: $32.95
    Was: $39.95
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    Now: $32.95
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  • Out Of Stock
    New - Ergo Picatinny Rail Hand Stop - HKP-14527 Picatinny Handstop

    Picatinny Handstop

    Ergo

    $11.95
    Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.
    HKP-14527
    $11.95
    Out Of Stock
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  • New - H&K 0,1 Extended Left Side Ambidextrous Selector Lever - HKP-00124
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    HK Lever - Selector - 0,1 - Extended - Ambidextrous

    H&K Heckler & Koch

    $78.95
    HK German Left Side Ambidextrous EXTENDED (ESSL) FBI (0,1) Lever  New German HK extended selector lever for the left side of all safe and semi-ambidextrous trigger packs SP5K. Compatible With: MP5, 94 MP5 clone and custom builds
    HKP-00124
    $78.95
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  • New - HKP Mil-Spec Buffer Tube Kit - HKP-02735
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    AR-15 Mil-Spec Buffer Tube Kit

    HKP HK Parts

    $42.95
    Mil-Spec Buffer Tube Kit Compatible With: AR-15 style platforms Not correct length for HK rifles Includes: Made with T7 7075 aircraft-grade aluminum Made in the USA with a polished inside tube Mil-Spec triple hard coat Teflon anodized finish Each unit...
    HKP-02735
    $42.95
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    $42.95
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  • New - Magpul AR-15 CTR 6 Position Stock- Commercial - HKP-02375 Magpul AR-15 CTR 6 Position Stock- Commercial Magpul HKP-02375
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    AR-15 Stock - CTR 6 Position - Mil-Spec

    Magpul

    $79.95
    Magpul AR-15 CTR 6 Position Stock - Mil-Spec The Magpul CTR (Compact/Type Restricted) Commercial-Spec Model is a drop-in replacement buttstock for AR15/M16 carbines using Mil-Spec-sized receiver extension tubes. The streamlined A-frame profile avoids...
    HKP-02375
    $79.95
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  • New - Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine - HKP-20915 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil Monkey
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic - Hear No Evil Monkey

    Zenith

    $43.95
    Zenith 30 Round HK MP5 Monkey Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Feautres: Durable electro-plated black finish for exceptional corrosion resistance All...
    HKP-20915
    $43.95
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  • New - GSG9 HK G36, HK G36K, HK G36C Full Auto Tungsten Filled Bolt Carrier - Black - HKP-19030 HK G36, G36K, G36C Bolt Carrier - Full Auto - Tungsten Filled
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    HK G36, G36K, G36C Bolt Carrier - Full Auto - Tungsten Filled

    GSG9

    $549.95
    HK G36 Tungsten Filled - Bolt Carrier Complete - Full Auto Compatible With: G36 G36K G36C Will NOT work with a factory HK SL8
    HKP-19030
    $549.95
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  • New - H&K HK MR762/417/G28 Adjustable Buttstock Set - RAL 8000 - HKP-16760 HK417, MR762, G28 Adjustable Buttstock Set - RAL8000
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    HK417, MR762, G28 Adjustable Buttstock Set - RAL8000

    H&K Heckler & Koch

    $589.95
    H&K HK MR762, HK417, G28 Adjustable Buttstock Set - RAL 8000 HK G28 adjustable stock kit complete with the necessary parts convert a stock MR762 or HK417 to G28 spec.  Includes: G28 fully adjustable stock G28 buffer tube/receiver extension G28...
    HKP-16760
    $589.95
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    $589.95
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  • New - H&K HK MR556/416 Battle Grip Storage Cap Pin - HKP-16861 HK416, MR556 Storage Cap Pin for Pistol Grips
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    HK416, MR556 Storage Cap Pin for Pistol Grips

    H&K Heckler & Koch

    $4.95
    H&K HK MR556/416 Battle Grip Storage Cap Pin  
    HKP-16861
    $4.95
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    $4.95
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