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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  • New - H&K HK MP5K 0,1,3 Burst Trigger Housing or Frame - HKP-01684 HK MP5K  0,1,3 Burst Trigger Housing or Frame
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    HK MP5K 0,1,3 Burst Trigger Housing or Frame

    H&K Heckler & Koch

    $224.95
    MP5K & SP89 Ambidextrous Grip Frame, Trigger Housing marked with the safe, semi & 3rd burst options only (3 position burst only housing). A Genuine Heckler and Koch part. This housing is made for ambidextrous trigger configurations. Trigger Pack...
    HKP-01684
    $224.95
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    $224.95
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  • Out Of Stock
    Used - H&K 30 Round HK MP5 40/10 Magazine - Gray - Used - HKP-01726 HK MP5 Magazine - 30 Round - .40 S&W, 10mm - Gray - Used

    HK MP5 Magazine - 30 Round - .40 S&W, 10mm - Gray - Used

    H&K Heckler & Koch

    $159.95
    H&K Heckler & Koch 30 Round Magazine for HK MP5 .40/10mm  - Gray - USED These magazines are no longer available, and we have just a few remaining units.  Once they are gone, they are gone for good. These magazines are USED and are...
    HKP-01726
    $159.95
    Out Of Stock
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    $159.95
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  • New - HKP Dual HK MP5 Magazine Clamp Conversion Screw - HKP-20318 HK MP5 Dual Magazine Clamp Conversion Screw - G3 to MP5 Mags
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    HK MP5 Dual Magazine Clamp Conversion Screw - G3 to MP5 Mags

    HKP HK Parts

    $2.95
    HKP Dual HK MP5 Magazine Clamp Conversion Screw This screw converts a HK91, G3, PTR dual magazine clamp (HKP-19634) into the correct length for use with an MP5 magazine. Includes:  1 screw
    HKP-20318
    $2.95
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    $2.95
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  • Used - H&K HK MP5K Slimline Forearm - Black - HKP-20275 HK MP5K Slimline Handguard
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    HK MP5K Slimline Handguard

    H&K Heckler & Koch

    $49.95
    H&K HK MP5K Slimline Forearm Used German military slimline forearm refinished in a  black cerakote . Cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible With: MP5K,...
    HKP-20275
    $49.95
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  • New - Troy Industries Rear Battle Sight - Black - HKP-00032 Battle Sight - Rear
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    Battle Sight - Rear

    Troy Industries

    $129.95
    Troy Industries Rear Battle Sight Durability and dead-on accuracy have made the Troy Industries Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Easy to install and deploy, with no levers or springs to fumble...
    HKP-00032
    $129.95
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    $129.95
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  • New - H&K Cocking Tube Extrusion - 12" Section - HKP-13487 HK90 Series Cocking Tube Extrusion - 12" Section
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    HK90 Series Cocking Tube Extrusion - 12" Section

    H&K Heckler & Koch

    $54.95
    H&K Factory Cocking Tube Extrusion 12" Section HK cocking tube section is perfect for custom HK cocking tube projects. Overall length is 12" long. All steel and ready for that custom project or custom build. Perfect for custom cocking tube...
    HKP-13487
    $54.95
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  • New - HKP/H&K MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame - HKP-16490 HK MP5K, SP89 Grip Frame - Semi Auto SEF - Metal Style
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    HK MP5K, SP89 Grip Frame - Semi Auto SEF - Metal Style

    HKP HK Parts

    $189.95
    HKP HK Parts and Heckler and Koch HK MP5K, SP89 9mm SEF Metal Style Grip Frame 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...
    HKP-16490
    $189.95
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    $189.95
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  • New - B&T SchleTek Suppressor Cleaner Evolution 1000ml - HKP-21726
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    Suppressor Cleaner Evolution - 1000ml

    SchleTek

    $70.00
    SchleTek Suppressor Cleaner Evolution 1000ml Keep your suppressors clean and optimally functioning with SchleTek suppressor cleaner.  
    HKP-21726
    $70.00
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    $70.00
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  • Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S
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    Picatinny Optic Mount Shield - Aimpoint T2, H2 - S.W.O.R.D.S

    Frost Defense

    $239.95
    Aimpoint T-2, H-2 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T2/H2 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...
    HKP-22338-M
    $239.95
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  • New - B&T SchleTek Carbon Cleaner 500 ml Aerosol - HKP-21766
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    Carbon-Cleaner - 500 ml Aerosol

    SchleTek

    $32.95
    SchleTek Carbon Cleaner 500 ml Aerosol Time-saving removal of stubborn fouling. Special formula for heavily used firearms. Frequent and thorough gun cleaning is not only a prerequisite to achieve maximum performance with your firearm, but also a...
    HKP-21766
    $32.95
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  • New - HKP Single Point Sling - ACU Digital Camo - HKP-15041 HK Single Point Sling - ACU Digital Camo
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    HK Single Point Sling - ACU Digital Camo

    HKP HK Parts

    $29.95
    HKP Single Point Sling - ACU Digital Camo HK single-point bungee sling for use on all HK & other firearm applications. This super high-quality sling is a must-have for those who prefer operating with a single-point sling over the traditional 3-point...
    HKP-15041
    $29.95
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  • On Sale
    New - MI/HKP HK MP5K Alpha Folding Brace/Stock Adapter - HKP-21514-M HK MP5K Folding Stock With Direct Fit Adapter
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    HK MP5K Folding Stock With Direct Fit Adapter

    MI Midwest Industries

    Now: $369.95
    Was: $419.95
    HK MP5K Folding Stock With Direct Fit Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style of...
    HKP-21514-M
    Now: $369.95
    Was: $419.95
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    Now: $369.95
    Was: $419.95
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