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 - H&K / Magpul HK MP5K VFG w/Magpul Cantilever M-LOK Rail - HKP-20955 HK MP5K Vertical Foregrip - M-LOK Cantilever Rail
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    HK MP5K Vertical Foregrip - M-LOK Cantilever Rail

    H&K Heckler & Koch

    $128.95
    H&K / Magpul HK MP5K VFG w/Magpul Cantilever M-LOK Rail Factory HK VFG for the MP5K platform adapted by HKP to feature a Magpul M-LOK polymer cantilever rail.  The VFG features an M-LOK mounting slot on both sides to allow the mounting of...
    HKP-20955
    $128.95
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  • New - HKP/H&K MP5/MP5K 9mm Muzzle Brake - 3-Lug - HKP-20323 HK MP5, MP5K 9mm Muzzle Brake - 3-Lug - QD
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    HK MP5, MP5K 9mm Muzzle Brake - 3-Lug - QD

    HKP HK Parts

    $109.95
    HKP MP5, MP5K 9mm Muzzle Brake - 3-Lug Easily attaches to MP5-spec. 9mm tri-lug barrels.  This HK muzzle brake features the new style locking latch that seats flush and doesn't come off while shooting like the 1st generation style were prone to...
    HKP-20323
    $109.95
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  • New - HK MP5K M-LOK Compatible Forearm with Handstop - HKP-20819-M HK MP5K Handguard with Handstop - M-LOK Compatible
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    HK MP5K Handguard with Handstop - M-LOK Compatible

    HKP HK Parts

    $39.95
    MP5K - M-LOK Compatible Forearm with Handstop - USA Each forearm will fit the MP5K style platforms. Dual M-LOK mounting slots allow you to quickly mount lights, lasers, or a pressure switch. As an added bonus this item counts as a US made part toward...
    HKP-20819-M
    $39.95
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  • New - HKP SEF Enhanced Ambi Selector Set - Navy Style - HKP-18065 HK SEF Enhanced Ambi Selector Set - Navy Style
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    HK SEF Enhanced Ambi Selector Set - Navy Style

    HKP HK Parts

    $76.95
    Ambidextrous Selector Lever Set For SEF Navy Style Polymer Grip Frames Features: Made in the USA Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...
    HKP-18065
    $76.95
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  • New - HKP SEF Style Franklin Armory Binary Aluminum Selectors - HKP-20103 HK SEF Style Binary Aluminum Selectors
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    HK SEF Style Binary Aluminum Selectors

    HKP HK Parts

    $69.95
    HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum  This new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs.   This is the best selector set for the...
    HKP-20103
    $69.95
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    New - AIM Sports Low Profile Red/Green Dot Micro Sight - HKP-16209 Micro Dot Sight - Red and Green - Low Profile

    Micro Dot Sight - Red and Green - Low Profile

    AIM

    $59.95
    Micro Red Dot Low Profile Sight With Green & Red Dot Option For those that require a good, reliable, well made optic without the name brand or heavy price tag, this is an outstanding choice. This micro optic is rated for anything from .22 all they...
    HKP-16209
    $59.95
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  • New - H&K Rear Sight Bearing - HKP-00145
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    HK Rear Sight Bearing

    H&K Heckler & Koch

    $1.99
    H&K Rear Sight Bearing Factory HK Part for all rear sight assemblies. This item is required for any HK diopter rear sight assemblies.
    HKP-00145
    $1.99
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    $1.99
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  • New - HKP HK SP5/K 9mm Thread Protector - Threaded 1/2x28 - HKP-21375 HK SP5, SP5K Thread Protector - 9mm - 1/2x28
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    HK SP5, SP5K Thread Protector - 9mm - 1/2x28

    HKP HK Parts

    $19.95
    HKP HK SP5, SP5K 9mm Thread Protector - Threaded 1/2x28 Our thread protector is compatible with all factory-spec SP5 barrels and is a perfect replacement part. Specifications: Made in the USA Threaded 1/2x28 Compatible With: HK SP5, SP5K 9mm SP5, SP5K...
    HKP-21375
    $19.95
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  • Out Of Stock
    New - F5 MFG 50 Round MP5/MP5K 9mm Drum Magazine - HKP-16537-M HK MP5, MP5K Drum Magazine - 50 Round - 9mm

    HK MP5, MP5K Drum Magazine - 50 Round - 9mm

    F5 MFG

    $199.00
    F5 MFG 50 Round HK MP5 and HK MP5K 9mm Drum Magazine HK MP5 and HK MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine...
    HKP-16537-M
    $199.00
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  • Out Of Stock
    New - B&T MP5K/SP89/SP5K 9mm Tri-Rail Handguard - HKP-16889 HK MP5K, SP89, SP5K Tri-Rail Handguard - 9mm

    HK MP5K, SP89, SP5K Tri-Rail Handguard - 9mm

    B&T Brugger & Thomet

    $265.00
    B&T Brugger and Thomet Tri-Rail Handguard for HK MP5K, HK SP89 and HK SP5K 9mm  B&T Tri-Rail handguard for HK MP5K platforms. Specifications: Color: Black Height max: 48.4 mm Length max: 86 mm Length of right rail: 82 mm Length of left...
    HKP-16889
    $265.00
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  • Out Of Stock
    New - HKP MP5 & MP5K 9mm Anti-Rattle Roller Tipped Paddle Magazine Release - HKP-17570 HK MP5, MP5K Paddle Magazine Release - Anti-Rattle Roller Tipped - 9mm

    HK MP5, MP5K Paddle Magazine Release - Anti-Rattle Roller Tipped - 9mm

    HKP HK Parts

    $29.47
    HKP HK Parts 9mm Anti-Rattle Roller Tipped Paddle Magazine Release for HK MP5 and MP5K Latest generation paddle mag release for all 9mm MP5, MP5K style builds. Made to the latest German specs, materials, and design.  Compatible...
    HKP-17570
    $29.47
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  • Out Of Stock
    New - B&T HK MP5K, SP5K Telescopic Brace - HKP-19861 HK MP5K, SP5K Telescopic Brace

    HK MP5K, SP5K Telescopic Brace

    B&T Brugger & Thomet

    $650.00
    B&T Telescopic Brace for HK MP5K, SP5K B&T telescopic brace for HK SP5K/MP5K and clones Specifications: Length adjustable in 5 positions Includes replaceable elastomer rubber buffer Just add your favorite tailhook style device and you are good...
    HKP-19861
    $650.00
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    $650.00
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