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
    New - H&K MP5 A3 Retractable Stock Sling Attachment Bar- Weldable - HKP-17427 HK MP5 A3 Retractable Buttstock Sling Attachment Bar - Weldable

    HK MP5 A3 Retractable Buttstock Sling Attachment Bar - Weldable

    H&K Heckler & Koch

    $9.95
    HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi stock by attaching the sling bar to the A3 stock...
    HKP-17427
    $9.95
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    $9.95
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  • New - H&K MP5 9mm Grenade Launcher Attachment - 3-Lug - HKP-16975 HK MP5 9mm Grenade Launcher Attachment - 3-Lug
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    HK MP5 9mm Grenade Launcher Attachment - 3-Lug

    H&K Heckler & Koch

    $149.95
    H&K MP5 9mm Grenade Launcher Attachment - 3-Lug   This is a rare part and hard to come by. Perfect for MP5 9mm series.   Specifications: 3-Lug Compatible With: HK MP5/MP5K HK SP5/SP5K HK 94
    HKP-16975
    $149.95
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  • New - B&T MP5SD QD Brass Catcher - HKP-18099 HK MP5SD Brass Catcher - Quick Detach
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    HK MP5SD Brass Catcher - Quick Detach

    B&T Brugger & Thomet

    $210.00
    B&T MP5SD Brass Catcher For Use With B&T Handguard     The B&T brass catcher for the MP5SD locks into perfect position when mounted to the matched B&T's HK MP5SD Tri-Rail Handguard. Features a quick disconnect mechanism for easy...
    HKP-18099
    $210.00
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  • Used - H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used - HKP-00717 H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used H&K Heckler & Koch HKP-00717
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    HK33, HK53, HK93, HK91, HK G3 Flash Hider - Threaded 15x1 - Used

    H&K Heckler & Koch

    $15.95
    Heckler and Koch's Flash Hider - 15x1 RH - Used Used / surplus HK German flash hider threaded 15x1 RH.  Please inspect pictures to ascertain the average condition of these flash hiders. Compatible With: HK33 HK53 HK93 HK G3 HK91  
    HKP-00717
    $15.95
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  • HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style
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    HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style

    MFI

    $167.95
    HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style MFI replicated the classic MP5SD suppressor appearance. Designed to fit any factory spec 3-lug barrel and a perfect match with the HKP MP5 SD-style handguard conversion. This combination delivers the...
    HKP-22440
    $167.95
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  • On Sale
    HK 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - USED H&K Heckler & Koch HKP-20517-USED HK 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - USED H&K Heckler & Koch HKP-20517-USED
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    HK MP5, MP5K Magazine - LEO Marked - 9mm - 30 Round - USED

    H&K Heckler & Koch

    Now: $134.95
    Was: $199.95
    HK 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - USED SOLD INDIVIDUALLY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This is a used H&K German MP5 9mm 30-round magazine. All MP5 magazines...
    HKP-20517-USED
    Now: $134.95
    Was: $199.95
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    Now: $134.95
    Was: $199.95
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  • Compact Vertical Foregrip with Hand stop - M-LOK Compact Vertical Foregrip with Hand stop - M-LOK
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    Compact Vertical Foregrip with Hand stop - M-LOK

    JMK

    $88.95
    Compact Vertical Foregrip with Hand stop - M-LOK The JMK Vertical Foregrips are ideally suited for applications with restricted space. Equipped with a rapid, straightforward M-LOK attachment system, it can be mounted on any configuration with an M-LOK...
    HKP-22406-M
    $88.95
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  • HK MP5K, SP5K ACR Folding Stock With Adapter - Picatinny HK MP5K, SP5K ACR Folding Stock With Adapter - Picatinny
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    HK MP5K, SP5K ACR Folding Stock With Adapter - Picatinny

    F5 MFG

    $324.95
    HK MP5K, SP5K ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their K and other platforms.  This drop-in ready assembly attaches with the K's two...
    HKP-22351-M
    $324.95
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  • New - Heckler and Koch HK416 and HK417 Pistol Grip and Tool - Black - HKP-22208 HK416, MR556, HK417, MR762 Pistol Grip - Tool Included
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    HK416, MR556, HK417, MR762 Pistol Grip - Tool Included

    H&K Heckler & Koch

    $159.95
    HK Heckler and Koch's Pistol Grip with tool - Black Factory German pistol grip in black.  Compatible With: HK416, MR556 HK417, MR762 M27 G28 AR-15, M4, & M16 Platforms  
    HKP-22208
    $159.95
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  • Out Of Stock
    RCM HK MP5 Recoil Rod Assembly HK MP5 Recoil Rod Assembly

    HK MP5 Recoil Rod Assembly

    RCM

    $54.95
    RCM HK MP5 Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5 NOT compatible with SP5 with the F-style recoil rod MP5 clones and custom...
    HKP-22202
    $54.95
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  • Used - HK90 Series F/A Trigger Box - SEF- USED - HKP-22156 HK MP5, HK90 Series Trigger Box - Full Auto SEF - USED
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    HK MP5, HK90 Series Trigger Box - Full Auto SEF - USED

    H&K Heckler & Koch

    $89.95
    Heckler and Koch USED Full Auto SEF Trigger Box for the HK90 Series UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine HK full-auto trigger box for HK90 series firearms. Controls fire selector function and houses fire control...
    HKP-22156
    $89.95
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  • On Sale
    New - HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special - HKP-99177 HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special
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    HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special

    USA

    Now: $59.95
    Was: $289.95
    HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special  Unfinished US-Made MP5K .357 Sig barrel. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. Condition will...
    HKP-99177
    Now: $59.95
    Was: $289.95
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    Now: $59.95
    Was: $289.95
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