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 - H&K HK91, G3, PTR Parkerized Backplate & Recoil Rod Assembly - Parkerized - HKP-19692 HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized
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    HK91, G3, PTR Backplate, Recoil Rod Assembly - Parkerized

    H&K Heckler & Koch

    $34.95
    Parkerized Backplate - HK91, G3, PTR Surplus German HK backplate that has been refinished and reparkerized. 
    HKP-19692
    $34.95
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    $34.95
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  • New - H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black - HKP-19375 HK416A5, MR556 Ambi Selector Lever Set Complete
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    HK416A5, MR556 Ambi Selector Lever Set Complete

    H&K Heckler & Koch

    $179.95
    H&K HK MR556/416 A5 Ambi Selector Lever Set Complete New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556. Includes: HK 416 A5...
    HKP-19375
    $179.95
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    $179.95
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  • New - H&K UMP/USC/G36/SL8 (.40 S&W/.45 ACP/9mm/5.56/.223) Sear - HKP-01850
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    HK UMP, USC, G36, SL8 Sear

    H&K Heckler & Koch

    $29.95
    HK Complete Sear G36, UMP, USC & SL8 Genuine German Heckler & Koch part. Compatible With: HK UMP HK USC HK G36 HK SL8
    HKP-01850
    $29.95
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    $29.95
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  • Used - H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - OD Green - HKP-18888 HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - OD Green
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    HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - OD Green

    H&K Heckler & Koch

    $139.95
    Surplus - Fixed Stock - OD Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings. Features: HK...
    HKP-18888
    $139.95
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    $139.95
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  • New - MFI HK (5.56/.223) & (7.62x51/.308) G28 Style Flash Hider - Threaded 15x1 - HKP-16337 HK416, MR556, HK417, MR762 Flash Hider - G28 Style - Threaded 15x1
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    HK416, MR556, HK417, MR762 Flash Hider - G28 Style - Threaded 15x1

    MFI

    $79.95
    MFI HK G28 Style Flash Hider - Threaded 15x1 The G28, 2nd Gen flash hider is threaded 15x1 RH pitch, which is a standard HK Thread Pattern for .308 and .223 caliber weapons. It also has a deep counter bore to allow the product to cover the area behind...
    HKP-16337
    $79.95
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    $79.95
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  • New - HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH - HKP-02189 Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308
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    Micro Flash Hider - 4 Prong - Threaded 15x1 RH - 5.56 / .223 - 7.62x51 / .308

    USA

    $64.95
    HKP (5.56/.223) & (7.62x51/.308) 4 Prong Micro Flash Hider - Threaded 15x1 RH New shorter "micro" version US-made 4-prong flash hider threaded 15x1 RH. Micro FH will fit all HK .223 & .308 threaded barrel applications and barrels. Made from...
    HKP-02189
    $64.95
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    $64.95
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  • New - H&K MP5 40/10 Magazine Release Lever Spring - HKP-18109 HK MP5 Magazine Release Lever Spring - .40 S&W, 10mm
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    HK MP5 Magazine Release Lever Spring - .40 S&W, 10mm

    H&K Heckler & Koch

    $9.95
    HK Heckler and Koch Magazine Release Lever Spring for HK MP5 .40 S&W and 10mm The needed spring that fits in the mag release lever and the magwell for the MP5 40,10 series. Made in Germany and no longer offered or made. These units are the latest...
    HKP-18109
    $9.95
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    $9.95
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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 Standard 4 Position Burst Left Side Selector Lever - HKP-00123
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    HK MP5, MP5K Selector Lever, Left Side - Navy Trigger Groups

    H&K Heckler & Koch

    $399.95
    H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can. 
    HKP-00123
    $399.95
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    $399.95
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  • New - B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug - HKP-17955 HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug
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    HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug

    B&T Brugger & Thomet

    $378.95
    B&T HK MP5 9mm Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, these MP5 barrels are cold hammer forged, fluted, and nitrided to exact HK specifications. B&T's close relationship with H&K and extensive history of...
    HKP-17955
    $378.95
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    $378.95
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  • On Sale
    HK21 FMP Complete Build Kit- Non Matching Numbers HK21 FMP Complete Build Kit- Non Matching Numbers
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    HK21 FMP Complete Build Kit- Non Matching Numbers

    FMP HK CONTRACT

    Now: $2,987.95
    Was: $3,124.97
    HK21 Complete Build Kit- Non Matching Numbers HK Parts brings you another exhaustive parts kit. Our HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. We also included our own hanger with a...
    HKP-21626
    Now: $2,987.95
    Was: $3,124.97
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    Now: $2,987.95
    Was: $3,124.97
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  • New - H&K HK SP5 German Folding Stock with HK Parts Adapter - HKP-20645 HK SP5 German Folding Stock with HK Parts Adapter
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    HK SP5 German Folding Stock with HK Parts Adapter

    HKP HK Parts / Heckler & Koch

    $299.95
    German Folding Stock with HK Parts Adapter - SP5 German folding stock with a SP5 HK Parts adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. This will be a drop in stock for...
    HKP-20645
    $299.95
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    $299.95
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