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 - HK MP5 Aimpoint ACRO A-2 with Optic Mount - HKP-21899-M HK MP5, SP5K Optic Mount with Aimpoint ACRO P-2
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    HK MP5, SP5K Optic Mount with Aimpoint ACRO P-2

    HKP HK Parts / Aimpoint

    $689.95
    HK MP5 Aimpoint ACRO P-2 with HKP Optic Mount The HKP optic mount securely positions the ACRO P-2 sight for fast, intuitive target acquisition, while preserving a clear view of the factory sights. Includes: HK MP5 Optic Mount (ACRO interface) Aimpoint...
    HKP-21899-M
    $689.95
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  • New - HKP HK MP5K, SP5K, SP89 Single Point Leather Sling - Dark Brown - HKP-20270 HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown
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    HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Dark 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-20270
    $49.95
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  • New - HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug - HKP-18001
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    HK MP5K Barrel Extension and Faux Suppressor - 9mm - 3 Lug - US

    HKP HK Parts

    $59.95
    HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension. Slips over the 3-lug MP5K PDW barrel and then pinned in place to meet the overall 16"...
    HKP-18001
    $59.95
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  • On Sale
    MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256 MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256
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    HK MP5, AP5 Front Sight Tower Complete

    MKE

    Now: $34.95
    Was: $54.95
    MKE AP5, MP5 Front Sight Tower Complete The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms...
    HKP-22256
    Now: $34.95
    Was: $54.95
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  • Out Of Stock
    HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm

    HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm

    MKE

    $23.95
    MKE HK MP5 9mm 30 Round Magazine Replacement Parts Kit Replacement magazine parts kit for HK MP5 9mm firearms. Made in Turkey and designed to match factory MP5 specifications. Includes: 30 round magazine spring MP5 magazine follower MP5 magazine floor...
    HKP-99342
    $23.95
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    $23.95
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  • New - HKP HK MP5K Ace Style Stock - HKP-20953 HK MP5K Ace Style Stock
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    HK MP5K Ace Style Stock

    HKP HK Parts / Heckler & Koch

    $164.95
    HKP HK MP5K Ace Style Stock MP5K billet ace adapter paired with an all-steel ace-style stock. 
    HKP-20953
    $164.95
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  • New - H&K MP5/MP5K Muzzle Protector Cap - 3-Lug - HKP-17666 HK MP5, MP5K Muzzle Protector Cap - 3-Lug
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    HK MP5, MP5K Muzzle Protector Cap - 3-Lug

    H&K Heckler & Koch

    $19.95
    H&K MP5, MP5K Muzzle Protector Cap - 3-Lug New HK German high-impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5, MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...
    HKP-17666
    $19.95
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  • Out Of Stock
    New - H&K MP5/MP5K 3-Lug Blank Firing Adapter - HKP-01990 HK MP5, MP5K 3-Lug Blank Firing Adapter

    HK MP5, MP5K 3-Lug Blank Firing Adapter

    H&K Heckler & Koch

    $169.95
    H&K MP5/MP5K 3-Lug Blank Firing Adapter This part attaches to the end of the 3-lug barrel tip and will allow the use of 9mm blanks for training. A brand new HK German manufactured part. Specifications: 3-Lug Blank Firing Adapter Compatible...
    HKP-01990
    $169.95
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  • HK MP5K, SP5K Binary Trigger Group - SEF Ambi - BFSIII - 9mm - Contoured HK MP5K, SP5K Binary Trigger Group - SEF Ambi - BFSIII - 9mm - Contoured
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    HK MP5K, SP5K Binary Trigger Group - SEF Ambi - BFSIII - 9mm - Contoured

    FA Franklin Armory

    $1,499.95 - $1,549.95
    Franklin Armory HK MP5K - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market...
    HKP-20005-M
    $1,499.95 - $1,549.95
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  • Out Of Stock
    New - HKP 10 Round MP5 40/10 Magazine Block - HKP-18170 HK MP5, MP5K Magazine Block Plug - 10 to 30 Round Conversion - .40 S&W, 10mm

    HK MP5, MP5K Magazine Block Plug - 10 to 30 Round Conversion - .40 S&W, 10mm

    HKP HK Parts

    $9.95
    HKP HK Parts 10 Round Magazine Block for HK MP5 .40, 10mm MP5 10 to 30 mag block plug. This is designed to use on the HK MP5 40, 10 30 round magazine. Very easy to install and use.  Compatible With: MP5 .40 S&W MP5 10mm Clones or other custom...
    HKP-18170
    $9.95
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    $9.95
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  • New - SchleTek B&T Suppressor Cleaner Evolution 500ml - HKP-21715
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    Suppressor Cleaner Evolution - 500ml

    SchleTek

    $38.00
    SchleTek Suppressor Cleaner Evolution 500ml A highly effective, easy-to-use cleaner for all suppressor types. Its self-active formula tackles stubborn fouling quickly, eliminating laborous cleaning. The SchleTek cleaner is safe for all materials and...
    HKP-21715
    $38.00
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  • HK MP5, AP5 Cocking Handle HK MP5, AP5 Cocking Handle
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    HK MP5, AP5 Cocking Handle

    MKE

    $17.95
    HK MP5 and AP5 Cocking Handle Factory OEM Replacement Factory OEM replacement AP5 cocking handle as found on MKE/Century AP5 models.Compatible With: HK MP5, MP5K, SP89, MP5SD HK SP5, SP5K, SP5-PDW, SP5L Century AP5, AP5-P, AP5-M In-spec clones...
    HKP-22475
    $17.95
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