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 - HKP Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 - HKP-21380 HK Binary Selector Set - Ambi Housing - RAL8000
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    HK Binary Selector Set - Ambi Housing - RAL8000

    HKP HK Parts

    $79.95
    HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...
    HKP-21380
    $79.95
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    $79.95
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  • New - Aimpoint Absolute Co-Witness T1 Quick Release Mount - HKP-19336 Picatinny T1 Optic Mount - Absolute Co Witness - Quick Release
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    Picatinny T1 Optic Mount - Absolute Co Witness - Quick Release

    AIM

    $38.95
    AimSports - T1 Quick Release Mount - Absolute Co-Witness Features a machined recoil lug and steel hardware to prevent wear between mounting surfaces. Utilizing a quick release base, the generously sized lever is textured for easy operation under any...
    HKP-19336
    $38.95
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  • New - Aimpoint Lower 1/3 Co-Witness T1 Mount - HKP-19335 Aimpoint T1 Optic Mount - Lower 1/3 Co-Witness
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    Aimpoint T1 Optic Mount - Lower 1/3 Co-Witness

    AIM

    $29.99
    Aimpoint - T1 Mount - Lower 1/3 Co-Witness  Features a machined recoil lug for consistent, repeatable mounting. Features:  6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics
    HKP-19335
    $29.99
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    $29.99
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  • New - JMAC Customs 360 1/2x28 Facemount KeyMount (KeyMicro) - HKP-20141 HK MP5 Facemount KeyMount - KeyMicro - 360 1/2x28
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    HK MP5 Facemount KeyMount - KeyMicro - 360 1/2x28

    JMAC Customs

    $104.95
    JMAC Customs 360 1/2x28 Facemount KeyMount (KeyMicro) With the advancement of suppressor technology and the popularity of the KeyMount mounting system, the 360-28F was designed to allow users to install a KeyMount compatible muzzle device on their...
    HKP-20141
    $104.95
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    $104.95
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  • New - H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned - HKP-00402 HK MP5K, SP89 Trigger Housing - FBI Style - 2 Position Pictogram 0,1 Pictogram - Clipped and Pinned - 9mm
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    HK MP5K, SP89 Trigger Housing - FBI Style - 2 Position Pictogram 0,1 Pictogram - Clipped and Pinned - 9mm

    H&K Heckler & Koch

    $245.95
    H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned This clipped and pinned trigger housing is modified to fit MP5K or SP89 housings. It accommodates all HK German ambidextrous trigger packs and selector...
    HKP-00402
    $245.95
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    $245.95
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  • New - H&K SP5K 9mm Semi Auto Bolt Carrier - HKP-18207 HK SP5K Bolt Carrier - Semi Auto - 9mm
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    HK SP5K Bolt Carrier - Semi Auto - 9mm

    H&K Heckler & Koch

    $449.95
    Heckler and Koch HK SP5K 9mm Semi-Auto Bolt Carrier German-made HK SP5K bolt carrier built to the factory semi-auto SP5K specification. This carrier features the correct SP5K closed-front design and semi-auto geometry, making it the proper HK part for...
    HKP-18207
    $449.95
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    $449.95
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  • New - DTAC MP5K/SP89/SP5K 9mm Modular Handguard - KEYMOD - HKP-17807
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    HK MP5K, SP89, SP5K Modular Handguard - KEYMOD - 9mm

    DTAC Dakota Tactical

    $159.95
    DTAC 9mm Modular Handguard KEYMOD for HK MP5K, HK SP89, HK SP5K Features: Made in the USA (922r compliant part) KEYMOD accessory compatible 12 ergonomically placed slots for maximum versatility Exclusive extended forward accessory mounting 1-piece main...
    HKP-17807
    $159.95
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    $159.95
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  • New - MKE AP5-P/M Handguard with Hand Stop - HKP-22221 Century Arms AP5-P, AP5-M Handguard with Handstop
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    Century Arms AP5-P, AP5-M Handguard with Handstop

    MKE

    $34.95
    MKE AP5-P/M Handguard with Hand Stop MKE handguard for the MKE manufactured Century AP5-P and AP5-M.  Please note: Will fit other MP5K style receivers with some slight fitting.  Compatible With: MKE/Century Arms AP5-P MKE/Century Arms...
    HKP-22221
    $34.95
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  • On Sale
    New - HK MP5K Trunnion - Gunsmith Special - HKP-99090 HK MP5K Trunnion - Gunsmith Special
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    HK MP5K Trunnion - Gunsmith Special

    USA

    Now: $24.95
    Was: $54.95
    HK MP5K Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will vary from part-to-part vs. the pictured unit. Compatible...
    HKP-99090
    Now: $24.95
    Was: $54.95
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  • New - HK MP5K & SP89 - FBI Trigger Group Complete - HKP-00401 HK MP5K, SP89 Trigger Group, Complete - FBI
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    HK MP5K, SP89 Trigger Group, Complete - FBI

    H&K Heckler & Koch

    $849.95
    HK Heckler and Koch FBI Trigger Group Complete for HK MP5K and HK SP89 New HK German. This is a great upgrade and investment for your HK SP89 or HK MP5K clone. This trigger group is clipped and pinned and ready to install on your HK, with all the latest...
    HKP-00401
    $849.95
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  • New - HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - HKP-17138 HK MP5K, SP89, SP5K Stock or Brace Adapter - AR  - 9mm
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    HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - 9mm

    HKP HK Parts

    $114.95
    HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR...
    HKP-17138
    $114.95
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    $114.95
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  • On Sale
    HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1 HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1
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    HK MP5, MP5K Optic Mount - Aimpoint ACRO P-1

    HKP HK Parts

    Now: $67.95
    Was: $98.95
    HKP HK Parts Aimpoint ACRO P1 Mount for your HK MP5 and HK MP5K  Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean overall look. Full co-witness, this mount is the best in...
    HKP-99354
    Now: $67.95
    Was: $98.95
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    Now: $67.95
    Was: $98.95
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