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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  • On Sale
    New - Strike Industries HK MP5K Drop-In MOD2 Stock - HKP-21330-M HK MP5K, SP5K Stock - MOD2 - Strike Industries
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    HK MP5K, SP5K Stock - MOD2 - Strike Industries

    Strike Industries

    Now: $111.71
    Was: $199.95
    Strike Industries HK MP5K Drop-In MOD2 Stock We pair our MP5K AR stock adpter with this Strike MOD2 stock to give you a drop-in MP5K stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at...
    HKP-21330-M
    Now: $111.71
    Was: $199.95
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    Now: $111.71
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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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  • 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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  • HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm
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    HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm

    MKE

    $23.95
    MKE HK MP5 9mm 30 Round Magazine Replacement Parts Kit Replacement magazine parts kit for HK MP5 9mm firearms. Made in Turkey and designed to match factory MP5 specifications. Includes: 30 round magazine spring MP5 magazine follower MP5 magazine floor...
    HKP-99342
    $23.95
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    $23.95
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  • RCM HK SP5K Spec Suppressed Bolt Group RCM HKP-22277 RCM HK SP5K Spec Suppressed Bolt Group RCM HKP-22277
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    HK SP5K Bolt Group - Suppressed - Full Auto - Spec

    RCM

    $409.95
    RCM HK SP5K Spec Suppressed Bolt Group- Full Auto The RCM SP5K Suppressed bolt group is expertly engineered for operating in full auto while suppressed. Although designed as a full-auto bolt group, it also functions perfectly in semi-auto receivers. This...
    HKP-22323
    $409.95
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    $409.95
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  • Out Of Stock
    New - JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech - HKP-20148 AB-8 and Stock or Brace Adapter - 1913 Folding Mech

    AB-8 and Stock or Brace Adapter - 1913 Folding Mech

    JMAC Customs

    $269.95
    JMAC Customs AB-8 w/ Brace/Stock Adapter and 1913 Folding Mech If your firearm doesn't already have a 1913 attachment rail on the rear, choose the appropriate adapter above! (A)rm(B)ar(8)inch + AB-BA brace adapter + JMac 1913 folding mech. (not...
    HKP-20148
    $269.95
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    $269.95
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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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  • New - HKP/H&K MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame - HKP-16490 HK MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame
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    HK MP5K/SP89 9mm SEF Semi-Auto Metal Style Grip Frame

    HKP HK Parts

    $189.95
    HKP/H&K 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 double tang housing to a...
    HKP-16490
    $189.95
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  • New - HK94, SP89 Original Plastic Grip For Metal Housing - HKP-01423 HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic
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    HK MP5, HK94, SP89, HK93 Grip For Metal Housing - Original Plastic

    H&K Heckler & Koch

    $49.99
    H&K 94 & SP89 Original Plastic Grip For Metal Housing This original plastic grip is designed for use with metal housing setups. Specifications: Original Plastic Grip Compatible With: HK SP89 HK 94 HK 93
    HKP-01423
    $49.99
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    $49.99
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  • On Sale
    MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256 MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256
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    HK MP5, AP5 Front Sight Tower Complete

    MKE

    Now: $42.95
    Was: $54.95
    MKE AP5, MP5 Front Sight Tower Complete The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms...
    HKP-22256
    Now: $42.95
    Was: $54.95
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    Now: $42.95
    Was: $54.95
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  • New - HKP HK MP5K/SP89 9mm Flat Receiver - HKP-20733 HK MP5K, SP89 Flat Receiver - 9mm
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    HK MP5K, SP89 Flat Receiver - 9mm

    HKP HK Parts

    $199.95
    MP5K, SP89 Receiver Flat - 9mm New MP5K receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier...
    HKP-20733
    $199.95
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    $199.95
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  • New - H&K MP5K/SP89/SP5K 9mm Cocking Tube Support Complete - HKP-00399
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    HK MP5K, SP89, SP5K Cocking Tube Support - 9mm - Complete

    H&K Heckler & Koch

    $67.95
    HK German MP5K, SP89, & SP5K Cocking Tube Support Complete - New Each support is complete with a detent and spring installed. These can also be used to replace the plastic or cheaply made steel or aluminum clone parts found in many clones and builds...
    HKP-00399
    $67.95
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    $67.95
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