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 MP5, MP5K Rear Sight Base - HKP-02450 HK MP5, MP5K Rear Sight Base

    HK MP5, MP5K Rear Sight Base

    HKP HK Parts

    $19.95
    HKP HK Parts Rear Sight Base - Weldment for HK MP5 and HK MP5K The only factory-correct sight base with the factory HK German side axis grooves.  Compatible With: MP5, MP5K SP89, HK94 MP5 40, MP5 10 MAC-5 clones may require custom fitment...
    HKP-02450
    $19.95
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  • Out Of Stock
    New - H&K -2 Roller For Bolt Head 7.98mm - Under-sized - HKP-00505 HK -2 Roller For Bolt Head 7.98mm - Under-sized

    HK -2 Roller For Bolt Head 7.98mm - Under-sized

    H&K Heckler & Koch

    $19.95
    H&K -2 Roller For Bolt Head 7.98mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. New HK German not surplus or used goods. German-made -2 roller. Please Note: The price listed is per roller. Order 2 (pair) for...
    HKP-00505
    $19.95
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  • HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm

    HK MP5, SP5, MP5K, SP5K Magazine Clamp - Tri-Lock - 9mm

    HKP HK Parts

    $39.95
    HKP HK MP5, SP5, MP5K, SP5K Tri-Lock Magazine Clamp 9mm Triple magazine clamp HK MP5 magazines. Secures three 9mm magazines together for faster reloads and segregating ammo types (FMJ/JHP/subsonic/supersonic).  Compatible With: MP5, SP5 MP5K,...
    HKP-22799-M
    $39.95
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  • New - H&K HK MP5, HK SP5 10 Round Magazine Spring - HKP-19454

    HK MP5, HK94, SP5 Magazine Spring - 10 Round

    H&K Heckler & Koch

    $6.95
    10 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazines
    HKP-19454
    $6.95
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  • HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm

    HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm

    HKP HK Parts

    $229.95
    HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock 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 stock adapter...
    HKP-17175
    $229.95
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  • New - H&K MP5K/SP89/SP5K 9mm Rear Sight Drum - HKP-01110

    HK MP5K, SP89, SP5K Rear Sight Drum - 9mm

    H&K Heckler & Koch

    $79.95
    HK German MP5K, SP89 and SP5K Factory Rear Sight Drum New factory correct German HK MP5K, SP89, and SP5K rear sight drum. Compatible With: MP5K SP89 SP5K Other custom builds or clones Please Note: Many shooters prefer to upgrade to the MP5 rear...
    HKP-01110
    $79.95
    Qty in Cart: 0
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  • Out Of Stock
    HK MP5K, SP5K Super Safety Lower HK MP5K, SP5K Super Safety Lower

    HK MP5K, SP5K Super Safety Lower

    AS Designs

    $649.95
    AS Designs Super Safety Lower for the HK MP5K & SP5K Platform The ASD Super Safety Lower allows for faster follow-up shots by resetting after each shot.  This is a true drop-in trigger and housing assembly featuring SEMI, SUPER, and SAFE...
    HKP-22386-M
    $649.95
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  • HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style HK MP5, SP5 3-Lug Faux Suppressor - MP5SD Style

    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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  • Out Of Stock
    New - RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug - HKP-01764 HK MP5K, SP5K, SP89 Barrel - 9mm - 5.85" - 3 Lug

    HK MP5K, SP5K, SP89 Barrel - 9mm - 5.85" - 3 Lug

    RCM

    $149.95
    RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug This is the only US-made non-threaded barrel that uses the same steel and Cold Hammer Forged (CHF) process as Heckler & Koch. Precision-milled to the latest MP5KN PDW specifications with...
    HKP-01764
    $149.95
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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

    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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  • Out Of Stock
    New - POF MP5, HK94, MP5K, SP89 & SP5K Firing Pin - HKP-18264 HK MP5, HK94K, SP89 Firing Pin

    HK MP5, HK94K, SP89 Firing Pin

    POF

    $24.95
    HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...
    HKP-18264
    $24.95
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  • HK MP5, SP5 Faux Suppressor - KAC Style - 1/2x28 HK MP5, SP5 Faux Suppressor - KAC Style - 1/2x28

    HK MP5, SP5 Faux Suppressor - KAC Style - 1/2x28

    MFI

    $138.95
    HK MP5, SP5 KAC Style Faux Suppressor - 1/2x28 The MFI faux KAC-Navy suppressor is designed to thread onto any 1/2x28 barrels and fully enclose the 3-lugs, ensuring an authentic looking fit and finish. Inspired from the coveted KAC MP5N suppressor, this...
    HKP-22363
    $138.95
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