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 Single Point Leather Sling - Brown - HKP-20161 HK Single Point Leather Sling - Brown
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    HK Single Point Leather Sling - Brown

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20161
    $49.95
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  • Out Of Stock
    New - H&K MP5 40/10 Magazine Follower - HKP-01635 HK MP5 Magazine Follower - .40 S&W, 10mm

    HK MP5 Magazine Follower - .40 S&W, 10mm

    H&K Heckler & Koch

    $19.95
    H&K Heckler and Koch Magazine Follower HK MP5 40,10   A perfect replacement part for all HK MP5 40,10 magazines.
    HKP-01635
    $19.95
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    $19.95
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  • New - H&K MP5K/SP89/SP5K 9mm Incomplete End Cap - HKP-18208 HK MP5K, SP89, SP5K End Cap, Incomplete - 9mm
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    HK MP5K, SP89, SP5K End Cap, Incomplete - 9mm

    H&K Heckler & Koch

    $54.95
    HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap.  Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K clones or other custom builds
    HKP-18208
    $54.95
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  • On Sale
    HK MP5K, AP5-P End Cap - Incomplete - BLEMISHED HK MP5K, AP5-P End Cap - Incomplete - BLEMISHED
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    HK MP5K, AP5-P End Cap - Incomplete - BLEMISHED

    MKE

    Now: $19.95
    Was: $27.95
    MKE MP5K, AP5-P Incomplete End Cap - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. MKE manufactured end cap for AP5-P and HK MP5K pattern firearms...
    HKP-99397
    Now: $19.95
    Was: $27.95
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  • WOOX Edge Stock - Walnut - Picatinny Mount WOOX Edge Stock - Walnut - Picatinny Mount
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    WOOX Edge Stock - Walnut - Picatinny Mount

    WOOX

    $228.95 - $298.95
    WOOX Edge Stock - Walnut The WOOX Edge Stock is a premium upgrade for rifles and SMGs featuring a 3 Picatinny stock interface. It blends a precision-machined aluminum body with an American walnut cheek riser for a clean profile, solid lockup, and a...
    HKP-22460-M
    $228.95 - $298.95
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  • New - HKP HK MP5K .40/10 Stock Adapter with Stock - HKP-21834 HK MP5K Stock with Direct Fit Adapter - .40 S&W, 10mm
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    HK MP5K Stock with Direct Fit Adapter - .40 S&W, 10mm

    HKP HK Parts

    $289.95
    HKP Stock with a Direct Fit Adapter HK MP5K .40 and 10mm  Designed to adapt UMP style and B&T folding stocks directly to the .40, 10mm K platform. Made in the USA and available exclusively at HK Parts Compatible With: HK MP5K .40, 10mm
    HKP-21834
    $289.95
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  • New - B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black - HKP-18101 HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable
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    HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable

    B&T Brugger & Thomet

    $379.95
    B&T HK MP5K, SP5K, SP89 Helmet Stock - Folding and Adjustable This Swiss-made folding helmet stock offers a compact, military-grade solution for MP5K-pattern firearms. Built from durable polymer and aluminum, it provides smooth length adjustment and...
    HKP-18101
    $379.95
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  • On Sale
    New - Ergo Harris Bipod Mount - KeyMod Handguard - HKP-17874
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    Harris Bipod Mount - KeyMod Handguard

    Ergo

    Now: $9.95
    Was: $38.95
    Ergo Harris Bipod Mount - KeyMod Handguard   Features: KeyMod Bipod Mount Black anodized 6061-T6 Alum. Compatible With: Harris-style bipods
    HKP-17874
    Now: $9.95
    Was: $38.95
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  • HK MP5K, AP5-P Housing - Contoured - 0, 1 HK MP5K, AP5-P Housing - Contoured - 0, 1
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    HK MP5K, AP5-P Housing - Contoured - 0, 1

    MKE

    $169.95 - $179.95
    MKE Contoured 0, 1 Housing for HK MP5K and MKE AP5-P This contoured 0, 1 (safe/fire) trigger housing is for HK MP5K-pattern firearms and is manufactured in Turkey. Compatible With: MP5K MKE AP5-P, AP5-M In-spec clones and custom builds
    HKP-22468-M
    $169.95 - $179.95
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  • On Sale
    New - HK MP5K Carrier Weldment Tube - HKP-99062 HK MP5K Carrier Weldment Tube
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    HK MP5K Carrier Weldment Tube

    USA

    Now: $19.95
    Was: $44.95
    HK MP5K Carrier Weldment Tube The MP5K carrier weldment tube houses and supports the carrier assembly in the HK MP5K firearm.  Each tube ships raw/unfinished and is ready to weld into your build. Compatible With: HK MP5K THIS CLOSEOUT PART IS NOT...
    HKP-99062
    Now: $19.95
    Was: $44.95
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  • New - HKP HK MP5K .40/10mm Brace with Brace/Stock Adapter - HKP-21835 HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm
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    HK MP5K Brace with Direct Fit Adapter - .40 S&W, 10mm

    HKP HK Parts

    $239.95
    HKP HK Parts Brace with Direct Fit Adapter for HK MP5K .40, 10mm Designed to adapt UMP style and SB Tactical braces directly to the 40,10 K platform. Made in the USA and available exclusively at HK Parts Compatible With: MP5K .40, 10mm
    HKP-21835
    $239.95
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  • On Sale
    New - HK MP5K .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24 - HKP-02318 HK MP5K Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
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    HK MP5K Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug

    HKP HK Parts

    Now: $199.95
    Was: $299.95
    HK MP5K .40 S&W 3-Lug Barrel with Thread Protector - Threaded 9/16x24 3-lugged Barrel with a 9/16x24 thread protector.  Specifications: 3-lugged barrel Includes 9/16x24 thread protector Compatible With: HK MP5K .40 S&W
    HKP-02318
    Now: $199.95
    Was: $299.95
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