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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    Used - H&K 30 Round MP5 9mm Magazine-Straight - HKP-16263 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Straight

    H&K Heckler & Koch

    $0.00
    German H&K MP5 9mm 30 Round Straight Magazine Each original German HK manufactured magazine ranges from VG to like new condition. This is the first production MP5 style of magazine. Each is date coded with factory HK markings. No longer made or...
    HKP-16263
    $0.00
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  • HK MP5, MP5K, SP5, SP5K Magazine Catch - 9mm HK MP5, MP5K, SP5, SP5K Magazine Catch - 9mm
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    HK MP5, MP5K, SP5, SP5K Magazine Catch - 9mm

    MKE

    $26.95
    HK Magazine Catch High-quality magazine catch manufactured by MKE, built to the latest style for improved reliability on factory and clone firearms. Machined from a single piece of steel for increased durability and smoother, more consistent mag...
    HKP-22549
    $26.95
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  • Compact Vertical Foregrip with Hand stop - M-LOK Compact Vertical Foregrip with Hand stop - M-LOK
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    Compact Vertical Foregrip with Hand stop - M-LOK

    JMK

    $88.95
    Compact Vertical Foregrip with Hand stop - M-LOK The JMK Vertical Foregrips are ideally suited for applications with restricted space. Equipped with a rapid, straightforward M-LOK attachment system, it can be mounted on any configuration with an M-LOK...
    HKP-22406-M
    $88.95
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  • HK MP5 Case Deflector - 9mm, .40 S&W Receivers HK MP5 Case Deflector - 9mm, .40 S&W Receivers
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    HK MP5 Case Deflector - 9mm, .40 S&W Receivers

    HKP HK Parts

    $24.95
    HKP HK MP5 Case Deflector - 9mm, .40 Receivers US-made steel case deflector for HK MP5 and MP5K receivers in 9mm and .40 S&W. Installs on the ejection-port flat, rivet or weld, to redirect brass and support reliable extraction on MP5 and MP5K style...
    HKP-22383
    $24.95
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  • New - H&K VTAC-MK2 Sling - Coyote Tan - HKP-22008 HK VTAC-MK2 Sling - Coyote Tan
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    HK VTAC-MK2 Sling - Coyote Tan

    H&K Heckler & Koch

    $62.95
    H&K VTAC-MK2 Sling - Coyote Tan - Two Point Sling The Viking Tactics Padded Sling features a closed cell foam shoulder strap and durable resin treated nylon. Its quick adjust design allows fast length changes from any position. The friction resistant...
    HKP-22008
    $62.95
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  • New - Strike Universal Picatinny - Dual Folding Adapter - Stock - HKP-21306 HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny
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    HK MP5, MP5K Stock and Dual Folding Adapter - Picatinny

    Strike Industries

    $199.95
    Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...
    HKP-21306
    $199.95
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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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  • New - H&K MP5K/SP89 9mm SEF Contoured Trigger Housing - Push Pin - HKP-16551 HK MP5K, SP89 Trigger Housing - SEF - Contoured - Push Pin - 9mm
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    HK MP5K, SP89 Trigger Housing - SEF - Contoured - Push Pin - 9mm

    H&K Heckler & Koch

    $324.95
    H&K MP5K/SP89 9mm SEF Contoured Trigger Housing - Push Pin Upgrade your HK MP5K or SP89 with this SEF contoured trigger housing, featuring ergonomic finger grooves for enhanced handling. This factory push pin housing is manufactured by HK Germany,...
    HKP-16551
    $324.95
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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
    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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  • Arm Brace Hook
Arm Brace Hook
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    Arm Brace Hook

    MI Midwest Industries

    $97.95
    Midwest Industries Arm Brace Hook The Arm Brace Hook is designed for pistols that use a 1.2" diameter buffer tube. It provides a secure and stable point of contact while offering a built-in, ambidextrous QD sling interface. Specifications: Works with...
    HKP-22417
    $97.95
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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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