MP5K / SP5K Series

MP5K / SP5K Series

Discover the most comprehensive selection of HK MP5K and SP5K parts at HKP. From bolt carrier groups and barrels to trigger packs and magazines, we provide all the HK parts you need to build, upgrade, or maintain your firearm. Whether you're enhancing your MP5K with 922r compliant parts or looking for the perfect SP5K flash hider, our top-quality components are designed for precision, reliability, and performance. Trust HKP for all your MP5K and SP5K parts and accessories.

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  • HK MP5K, AP5P OEM Picatinny Rail MKE HKP-22334 HK MP5K, AP5P OEM Picatinny Rail MKE HKP-22334
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    HK MP5, MP5K, AP5-P Optic Mount - Picatinny

    MKE

    $49.95
    MKE HK MP5K, AP5P OEM Picatinny Optic Rail MKE Picatinny optic rail for the MP5K platform.  OEM part for the Century AP5-P and AP5-M.  This rail is the K specific length but is compatible with full size MP5 guns as well. Compatible With: HK...
    HKP-22334
    $49.95
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  • New - H&K MP5/SP5/MP5K/SP5K Replacement Buffer For Factory End Cap or Folding Stock - HKP-01233
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    HK MP5, SP5K Buffer, Folding Stocks and End Caps

    H&K Heckler & Koch

    $24.95
    H&K MP5/SP5/MP5K/SP5K Replacement Buffer For Factory End Cap or Folding Stock This item is a Heckler & Koch Genuine Part, used to replace the factory HK buffer on MP5/SP5/MP5K/SP5K folding stocks and end caps. This is only usable on the factory...
    HKP-01233
    $24.95
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  • New - HKP Ambi ESSL Housing Franklin Armory Binary Selector Set - HKP-21616-M Binary Safety Selector Set - Ambidextrous - Extended
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    Binary Safety Selector Set - Ambidextrous - Extended

    HKP HK Parts

    $89.95
    HKP Ambi ESSL Housing Franklin Armory Binary Selector Set - Levers Only HK Parts extended safety selector Selector Lever Set, expertly modeled after the HK Ambi Style Selector Lever. This premium product is designed to integrate seamlessly with the...
    HKP-21616-M
    $89.95
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  • New - H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - HKP-02463 HK MP5K 9mm SEF Navy Style Trigger Housing - Push Pin
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    HK MP5K 9mm SEF Navy Style Trigger Housing - Push Pin

    H&K Heckler & Koch

    $159.95
    H&K MP5K 9mm SEF Navy Style Trigger Housing - Push Pin HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push-pin firearms that do not require clipped and pinned housing...
    HKP-02463
    $159.95
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  • New - H&K Cocking Tube End Cap Spring - HKP-17980
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    HK MP5, HK90 Series Cocking Tube End Cap Spring

    H&K Heckler & Koch

    $4.95
    H&K Cocking Tube End Cap Spring Fits all German, Contract & US made cocking tube end caps. A great spare to have on hand as this part can become worn and be lost. The cocking tube end cap spring applies pressure to the cocking tube end cap/dust...
    HKP-17980
    $4.95
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  • New - H&K Extended Right Side Ambidextrous Selector Lever - HKP-18875 H&K Extended Right Side Ambidextrous Selector Lever H&K Heckler & Koch HKP-18875
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    HK Extended Right Side Ambidextrous Selector Lever

    H&K Heckler & Koch

    $59.95
    HK German Right Side Ambidextrous EXTENDED (ESSL) Lever New German HK extended selector lever for the right side of all ambidextrous trigger packs. Works with all ambi left side HK selector levers. Compatible With: MP5, 94 MP5 clone and custom...
    HKP-18875
    $59.95
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  • New - HKP HK MP5K Vertical Grip - OD Green - HKP-20592 HK MP5K Vertical Foregrip - OD Green
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    HK MP5K Vertical Foregrip - OD Green

    HKP HK Parts

    $34.95
    MP5K Vertical Grip O.D Green - USA New OD green MP5K K-Grip handguard for MP5K and the ever popular MP5K-Reverse stretch models. Now you can further customize your MP5K and SP5K with this new color grip and, best of all, it counts as 1 U.S compliant part...
    HKP-20592
    $34.95
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  • New - HKP SEF Skeletonized Franklin Armory Binary Aluminum Selectors - HKP-20526 HK SEF Skeletonized Binary Aluminum Selectors
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    HK SEF Skeletonized Binary Aluminum Selectors

    HKP HK Parts

    $69.95
    HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized Our new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs.   With our new skeletonized selector...
    HKP-20526
    $69.95
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  • New - H&K HK MP5/MP5K Semi Auto Ambidextrous Trigger Pack - HKP-19867 HK MP5, MP5K Semi Auto Ambidextrous Trigger Pack
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    HK MP5, MP5K Semi Auto Ambidextrous Trigger Pack

    HKP HK Parts / Heckler & Koch

    $299.95
    H&K MP5/K 9mm Semi-Auto Ambidextrous Trigger Pack Each Trigger pack is fully assembled and ready to drop in your Ambi FBI, Navy pictogram housing. All parts are German HK with the exception of the trigger pack box and the 9mm ejector lever...
    HKP-19867
    $299.95
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  • New - HKP MP5 40/10 Magazine Follower - HKP-16506 HK MP5 Magazine Follower - .40 S&W, 10mm - USA
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    HK MP5 Magazine Follower - .40 S&W, 10mm - USA

    HKP HK Parts

    $9.95
    HKP MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines. Also counts as one 922r compliant part.
    HKP-16506
    $9.95
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  • New - H&K German MP5K 4 Position (0,1,3,F) Burst Trigger Group - HKP-00403 HK MP5K Trigger Group - Burst 0,1,3,F
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    HK MP5K Trigger Group - Burst 0,1,3,F

    H&K Heckler & Koch

    $3,299.95
    Heckler and Koch HK MP5K 4 Position (0,1,3,F) Burst Trigger Group New HK German factory fresh 9mm MP5K 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany and is complete with trigger pack, left and right selector...
    HKP-00403
    $3,299.95
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    $3,299.95
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  • New - Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black - HKP-20229 HK MP5, G3, HK93 Grip Wrap - Rubber - Navy Style Lower
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    HK MP5, G3, HK93 Grip Wrap - Rubber - Navy Style Lower

    Talon Grip

    $19.99
    Talon Grip HK Navy Style Rubber Grip Wrap - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy. The...
    HKP-20229
    $19.99
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    $19.99
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