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 MP5K/SP89/SP5K 9mm Cocking Tube - HKP-01838
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    HK MP5K, SP89, SP5K Cocking Tube - 9mm

    HKP HK Parts

    $84.95
    MP5K, SP89, MP5K-N, MP5K-PDW Cocking Tube - USA This part is built to exact HK German specifications. The only MP5K cocking tube on the market that is a duplicate from factory HK German prints and specs.  Compatible With: HK MP5K, SP89,...
    HKP-01838
    $84.95
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  • New - Magpul M-LOK QD Sling Mount - HKP-17268
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    M-LOK QD Sling Mount

    Magpul

    $27.95
    Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount features beveled...
    HKP-17268
    $27.95
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  • Out Of Stock
    New - Ergo Picatinny Rail Hand Stop - HKP-14527 Picatinny Handstop

    Picatinny Handstop

    Ergo

    $11.95
    Ergo Picatinny Rail Hand Stop Compatible with all Picatinny rails and adds a positive stop. Useful on short-barrel rifles and shotguns and can act as a hand-positioning device.
    HKP-14527
    $11.95
    Out Of Stock
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    $11.95
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  • New - Surefire 12-Pack 123A Batteries - HKP-02711
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    12-Pack 123A Batteries

    Surefire

    $29.95
    Surefire 12-Pack 123A Batteries Made in the USA and the "gold standard" in battery performance. These are the best performance, longest lasting 123 batteries available. The price is for a box of 12 new batteries. Ideal for use with lasers, lights,...
    HKP-02711
    $29.95
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  • New - Zenith 30 Round HK MP5 9mm Magazine - TiN Coated - HKP-21645 HK MP5 Magazine - 9mm - 30 Round - TiN Coated
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    HK MP5 Magazine - 9mm - 30 Round - TiN Coated

    Zenith

    $99.95
    Zenith 30 Round HK MP5 9mm Magazine - TiN Coated Elevate your gear with our TiN coated Zenith magazines. Each magazine begins as a regular 9mm, 30 round mag that is expertly disassembled, coated with durable TiN, and meticulously reassembled for optimal...
    HKP-21645
    $99.95
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  • New - H&K HK MR556/416 A5 Ambi Selector Lever Set Complete - Black - HKP-19375 HK416A5, MR556 Ambi Selector Lever Set Complete
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    HK416A5, MR556 Ambi Selector Lever Set Complete

    H&K Heckler & Koch

    $179.95
    H&K HK MR556/416 A5 Ambi Selector Lever Set Complete New HK German manufacture. Complete kit to upgrade the selector lever set on the MR556 to the newer HK 416A5 semi style of levers. A drop in upgrade for the MR556 & CR556. Includes: HK 416 A5...
    HKP-19375
    $179.95
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  • New - HKP MP5K 9mm Trunnion - HKP-17964 HK MP5K Trunnion - 9mm
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    HK MP5K Trunnion - 9mm

    HKP HK Parts

    $57.95
    HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...
    HKP-17964
    $57.95
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  • New - HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment - HKP-18796 HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm
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    HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - QD Sling Attachment - 9mm

    HKP HK Parts

    $114.95
    HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter - QD Sling Attachment Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD Sling Attachment Points. Properly buffered with factory correct "H" buffers to...
    HKP-18796
    $114.95
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  • New - Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green - HKP-21102 HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
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    HK MP5 Flat Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg HK MP5 Flat Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight offers an advanced sighting solution with enhanced precision and visibility. Featuring a conventional flat-tipped post and a bright...
    HKP-21102
    $87.95
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  • On Sale
    New - H&K 9mm Thread Protector - Threaded 1/2x32 RH - HKP-00108
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    HK MP5, SP5K Thread Protector - 9mm - 1/2x32 RH

    H&K Heckler & Koch

    Now: $32.95
    Was: $39.95
    H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...
    HKP-00108
    Now: $32.95
    Was: $39.95
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  • Out Of Stock
    New - H&K Navy Extended Selector Lever - 3 Position - HKP-00125 H&K Navy Extended Selector Lever - 3 Position H&K Heckler & Koch HKP-00125

    HK Navy Extended Selector Lever - 3 Position

    H&K Heckler & Koch

    $199.95
    HK Ambidextrous Left Side EXTENDED (ESSL) 3 Position Navy Selector Lever  New German HK Extended lever for all 3 position navy ambidextrous trigger packs or trigger groups. It will not fit SEF-style trigger packs.   
    HKP-00125
    $199.95
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  • New - JMAC Universal Picatinny 9" Arm Bar with Brace/Stock Adapter - HKP-21248 Arm Bar and Stock  or Brace Adapter - Picatinny 9"
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    Arm Bar and Stock or Brace Adapter - Picatinny 9"

    JMAC Customs

    $272.85
    JMAC Universal Picatinny 9" Arm Bar with Brace/Stock Adapter (A)rm(B)ar(9)inch(R)ise + AB-BA Brace Adapter + our 1913 Folding Mech (not assembled) Features: Modular Design - Brace/Stock with many mounting options Integrated QD Sling Socket 9"...
    HKP-21248
    $272.85
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