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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  • HK MP5K, SP5K Stock - 4 QD Rubber Buttpads HK MP5K, SP5K Stock - 4 QD Rubber Buttpads
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    HK MP5K, SP5K Stock - 4 QD Rubber Buttpads

    AC-Unity

    $74.95
    AC-Unity HK MP5K, SP5K Stock with 4 Quick-Detach Rubber Buttpads Stock set for HK MP5K and SP5K pattern firearms with a quick-detach rubber buttstock pad setup. This setup offers a solid rear stock option while allowing fit preference changes with...
    HKP-22557
    $74.95
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  • HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1 HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1
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    HK MP5K Apparel and Patch Collection - K Series Hats, Patches, and Shirts - V1

    HKP HK Parts

    $0.00
    HKP HK MP5K Apparel and Patch Collection - Version 1 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22454-M
    $0.00
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  • HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm
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    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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  • New - MP5K, SP5K Rear Sight - Genuine HK German - HKP-01235 HK MP5K, SP5K Rear Sight - Genuine HK German
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    HK MP5K, SP5K Rear Sight - Genuine HK German

    H&K Heckler & Koch

    $139.95
    New HK German MP5K/SP5K Rear Sight Drum & Base Complete Factory German HK SP5K, SP89, and MP5K factory OEM rear sight.
    HKP-01235
    $139.95
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  • New - H&K HK SEF & Navy 3 Position Trigger Spring - HKP-22178
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    HK90 Trigger Spring- 3 Position - SEF and Navy

    H&K Heckler & Koch

    $9.95
    H&K HK SEF & Navy 3 Position Trigger Spring Elevate your HK 90 series performance with a factory-fresh trigger spring, designed for both semi and full-auto models. These are an essential upgrade for any 90 series owner, ensuring optimal...
    HKP-22178
    $9.95
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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 - KCI 30 Round HK MP5 9mm Magazine - TiN Coated - HKP-21646 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm- TiN Coated
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm- TiN Coated

    KCI

    $99.95
    KCI 30 Round HK MP5 9mm Magazine - TiN Coated Elevate your gear with our TiN coated KCI 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-21646
    $99.95
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  • New - AIM M-LOK Quick Detach Sling Swivel Mount - HKP-18589 M-LOK Sling Swivel Mount - Quick Detach
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    M-LOK Sling Swivel Mount - Quick Detach

    AIM

    $24.99
    M-LOK Quick Detach Sling Swivel Mount The Aim M-LOK® QD Sling Mount stud with QD swivel provides a front attachment point for your push button QD sling or sling with just strap. Includes: All necessary mounting hardware and wrenches Features: High...
    HKP-18589
    $24.99
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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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  • 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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  • New - B&T 1/2x28 to Tri-lug Adapter for 9mm - HKP-21752 Tri-Lug Adapter - 1/2x28 RH to Tri-Lug - 9mm - B&T
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    Tri-Lug Adapter - 1/2x28 RH to Tri-Lug - 9mm - B&T

    B&T Brugger & Thomet

    $125.00
    B&T 1/2x28 to Tri-Lug Adapter for 9mm Convert any 1/2x28 RH 9mm threaded barrel to the HK spec. tri-lug with B&T's Swiss-made adapter adapter threaded 1/2x28. Compatible With the Following 9mm Firearms: HK MP5, MP5K, SP5, SP5K HK UMP...
    HKP-21752
    $125.00
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  • New - Left Side Ambidextrous Selector Lever FBI - 0,1 - HKP-00121 Left Side Ambidextrous Selector Lever FBI - 0,1
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    Left Side Ambidextrous Selector Lever FBI - 0,1

    H&K Heckler & Koch

    $124.99
    Left Side Ambidextrous Selector Lever FBI - 0,1 Compatible with all ambi style housings and ambidextrous 0,1, trigger packs and housings.
    HKP-00121
    $124.99
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