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 HK94 SD Style Barrel Shroud - HKP-02100
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    HK94 Barrel Shroud - SD Style

    H&K Heckler & Koch

    $99.95
    Heckler and Koch HK94 SD Style Barrel Shroud Features: Fits all factory HK94 rifles or barrels Made to factory German HK94 specs.  Designed to cover the 16" barrel Provides a neat SD style look without the cost of a full conversion Made of...
    HKP-02100
    $99.95
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  • New - HKP HK MP5/SP5 Raised MRO Optic Mount - HKP-21891 HK MP5, SP5 Optic Mount - Raised - Trijicon MRO
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    HK MP5, SP5 Optic Mount - Raised - Trijicon MRO

    HKP HK Parts

    $134.95
    HKP HK MP5/SP5 Raised Trijicon MRO Optic Mount The HKP Raised MRO Optic Mount was designed to give the shooter full view of both the MRO and the factory sights. The MRO mounting base is elevated enough to give an unobstructed view through the factory...
    HKP-21891-M
    $134.95
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  • New - USA HK G36, HK SL8 Magazine Paddle Release - HKP-18222 USA HK G36, HK SL8 Magazine Paddle Release
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    USA HK G36, HK SL8 Magazine Paddle Release

    USA

    $17.95
    US HK G36 & SL8 Magazine Paddle Release HK G36 Mag Release or mag catch.  Compatible With: HK SL8 HK G36 HK G36K HK G36C
    HKP-18222
    $17.95
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  • New - H&K HK SL8, HK G36 Extended Bottom Rail Kit - Black - HKP-16549 HK SL8, 36 Extended Bottom Rail Kit
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    HK SL8, 36 Extended Bottom Rail Kit

    H&K Heckler & Koch

    $99.95
    H&K HK SL8, HK G36 Extended Bottom Rail Kit This rail is the factory correct HK German manufactured bottom rail for the G36 or SL8 rifle. This allows the longest rail on the bottom of the polymer forearm. 9.25" in length overall. Comes with all...
    HKP-16549
    $99.95
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  • New - Modular Folding Stock System - HK MP5, SP5 - HKP-19484 Modular Folding Stock System - HK MP5, SP5
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    Modular Folding Stock System - HK MP5, SP5

    F5 MFG

    $449.95
    Modular Folding Stock System - HK MP5 The telescoping, left side-folding polymer stock is fully adjustable for comb height and length of pull, making it a versatile option for the most advanced applications. Features: MP5 adapter machined from 6061...
    HKP-19484
    $449.95
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  • New - H&K UMP (9mm) Extractor - HKP-00266
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    HK UMP Extractor - 9mm

    H&K Heckler & Koch

    $60.95
    New HK German USC/UMP 9mm Extractor This is the perfect spare part to have for your UMP or USC 9mm conversion. Hard to find and only available here at HKPARTS.
    HKP-00266
    $60.95
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  • New - RCM MP5K/SP89/SP5K 9mm RS Trunnion - HKP-02242 HK MP5K, SP89, SP5K Trunnion - 9mm - RS
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    HK MP5K, SP89, SP5K Trunnion - 9mm - RS

    RCM

    $69.95
    MP5K Reverse Stretch Trunnion US-made to exact factory HK specifications for the HK MP5K, SP89 9mm builds. There is a difference between the MP5K and the MP5 trunnion. This offering is the correct trunnion for the MP5K and all MP5K PDW variants,...
    HKP-02242
    $69.95
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  • New - HKP 94, 93 Semi Grip Frame SEF - Metal - HKP-16470 HK94, HK93 Semi Grip Frame SEF - Metal
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    HK94, HK93 Semi Grip Frame SEF - Metal

    HKP HK Parts

    $189.95
    HK MP5,94, 33,93 Style Metal Grip Frame  For Semi Auto Shelves Each German HK housing started out as a factory HK German select fire metal housing. Each housing was modified by welding in a factory correct semi auto shelf, clipped from a double tang...
    HKP-16470
    $189.95
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  • New - Strike Industries QD & Sling Hook Sling Attachement - HKP-17381
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    QD and Sling Hook Sling Attachement

    Strike Industries

    $29.95
    Ambush QD Sling Loop The Strike Industries Ambush low profile sling loop is the lowest profile sling loop designed for the MIL-STD-1913 rail. Made of solid steel, its unique locking bar design system allows for it to be lightweight and durable. Because...
    HKP-17381
    $29.95
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  • New - HKP Torx Binary Upgrade Screw Set - HKP-21816
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    HK Torx Screw Set for Binary Selector Lever - Upgrade

    HKP HK Parts

    $2.95
    HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set.  Torx hardware is less likely to strip than standard allen key hardware.  Good spares to have on hand as well. Note: Each set comes with 2 screws.
    HKP-21816
    $2.95
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  • New - HKP HK21/FMP21 Teardrop Rail Set - HKP-21671 HK21, FMP21 Teardrop Rail Set - T-Rail
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    HK21, FMP21 Teardrop Rail Set - T-Rail

    HKP HK Parts

    $197.95
    HKP HK21/FMP21 Teardrop Rail Set HK teardrop style reinforcement rails. The ultimate choice for period correct builds. Expertly crafted in the USA from high-quality 4140 steel, these ready-to-weld rails are engineered for precision and durability...
    HKP-21671
    $197.95
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  • On Sale
    New - IMI 25 Round UZI Magazine - New Old Stock - HKP-21232 UZI Magazine - 25 Round - New Old Stock
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    UZI Magazine - 25 Round - New Old Stock

    IMI

    Now: $29.95
    Was: $48.95
    Uzi 25 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to help protect it against rust. These are the last...
    HKP-21232
    Now: $29.95
    Was: $48.95
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