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 - B&T HK MP5K, HK SP5K UMP B&T Folding Stock - Black - HKP-16944 HK MP5K, HK SP5K, B&T UMP Folding Stock
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    HK MP5K, HK SP5K, B&T UMP Folding Stock

    B&T Brugger & Thomet

    $297.95
    B&T HK MP5K, HK SP5K UMP B&T Folding Stock B&T polymer folding stock with adapter for HK MP5K. 100% Swiss & German HK made. This is a military grade stock. B&T Switzerland has supplied these to law enforcement and military units...
    $297.95
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    $297.95
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  • New - HKP Cocking Tube End Cap-Steel - HKP-17580 HKP Cocking Tube End Cap-Steel
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    HKP Cocking Tube End Cap-Steel

    HKP HK Parts

    $19.95
    Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight tower
    $19.95
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    $19.95
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  • New - B&T Quick Detach Short Style Vertical Grip - Black - HKP-17679 B&T Vertical Foregrip - Short Style - Quick Detach
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    B&T Vertical Foregrip - Short Style - Quick Detach

    B&T Brugger & Thomet

    $75.00
    B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...
    $75.00
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    $75.00
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  • New - H&K / Magpul HK MP5K VFG w/Magpul 3 Slot M-LOK Rail - HKP-20956 HK MP5K Vertical Foregrip  - M-LOK 3 Slot Rail
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    HK MP5K Vertical Foregrip - M-LOK 3 Slot Rail

    H&K Heckler & Koch

    $128.95
    H&K / Magpul HK MP5K VFG w/Magpul 3 Slot M-LOK Rail New German HK VFG for the MP5K platform is now M-LOK compatible and comes pre attached with a Magpul M-LOK 3 slot Rail. The perfect combination to install lights or lasers. M-LOK slots are...
    $128.95
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  • New - H&K 30 Round MP5, MP5K, SP5K Magazine Body - HKP-18212 HK MP5, HK94, SP89, SP5K Magazine Body - 9mm - 30 Round - Curved
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    HK MP5, HK94, SP89, SP5K Magazine Body - 9mm - 30 Round - Curved

    H&K Heckler & Koch

    $54.95
    H&K 30 Round MP5, MP5K, SP5K Magazine Body Heckler & Koch factory fresh magazine housing/body from this current year's production. MP5, MP5K 9mm 30 Round curved all steel magazine body stamped "Made In Germany". Compatible With HK MP5,...
    $54.95
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    $54.95
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  • New - JMAC Customs MP5K/SP89/SP5K 9mm Rear Brace/Stock Adapter with Picatinny Rail - HKP-18990
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    HK MP5K, SP5K, SP89 9mm Brace or Stock Adapter with Picatinny Rail

    JMAC Customs

    $94.95
    JMAC Customs MP5K, SP5K, SP89 9mm Brace/Stock Adapter with Picatinny Rail This stock adapter allows you to attach any 1913 style stock, brace to your MP5K. The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many...
    $94.95
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  • Out Of Stock
    New - B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach - HKP-16902 MP5, MP5K, APC Flash Hider - 3-Lug - Quick Detach - 9mm

    MP5, MP5K, APC Flash Hider - 3-Lug - Quick Detach - 9mm

    B&T Brugger & Thomet

    $135.00
    B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach This flash hider slips over the end of the 3-lug barrel and with a light push and a 1/4 turn the flash hider attaches to the end of the tri-lug. Easy off and on installation and removal with a...
    $135.00
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    $135.00
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  • New - H&K MP5 & MP5K 9mm Cleaning Kit - HKP-00347 HK MP5, MP5K 9mm Cleaning Kit
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    HK MP5, MP5K 9mm Cleaning Kit

    HKP HK Parts / Heckler & Koch

    $64.95
    HK MP5, HK SP5, HK94 & MP5K, SP89, SP5K cleaning kit complete Includes: Saf-T-Clad Cleaning Rod Accessory Adapter Section #8-32 Patch Holder HK Chamber Face Brush (Made in the USA) 9mm MP5 Barrel Flute Brush - MKE Contract Phosphor Bronze Bore...
    $64.95
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  • New - H&K 30 Round HK MP5/MP5K, SP5K/SP5K 9mm Magazine - RAL 8K - HKP-19354 HK MP5, MP5K, SP5K, SP5K Magazine - 30 Round - 9mm - RAL8000
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    HK MP5, MP5K, SP5K, SP5K Magazine - 30 Round - 9mm - RAL8000

    H&K Heckler & Koch

    $84.95
    New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine  - RAL 8K Factory Heckler & Koch 9mm, 30-round magazine finished in RAL8000.  These magazines are painted by the factory in Germany. Compatible With: HK...
    $84.95
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    $84.95
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  • Used - H&K SEF Long Axle Selector Lever - LIKE NEW - HKP-21338 HK SEF Long Axle Selector Lever - LIKE NEW
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    HK SEF Long Axle Selector Lever - LIKE NEW

    H&K Heckler & Koch

    $32.95
    H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...
    $32.95
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  • On Sale
    New - Ergo Rail Cover - Black - HKP-13514 Ergo Rail Cover
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    Ergo Rail Cover

    Ergo

    Now: $4.95
    Was: $8.95
    Ergo Rail Cover Protect your investment with these attractive low-profile "Ladder" rail protectors. Features: Ladder Panels offers low-profile 1913 Picatinny rail coverage Easy clip-on/off installation Provides a very low-profile grip Protects the...
    Now: $4.95
    Was: $8.95
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    Now: $4.95
    Was: $8.95
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  • New - HKP Spare Buffer For Folding Stocks & End Caps - HKP-17886 HK Spare Buffer For Folding Stocks & End Caps
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    HK Spare Buffer For Folding Stocks & End Caps

    HKP HK Parts

    $9.95
    HKP Spare Buffer For Folding Stocks & End Caps New US manufactured flat style "H"buffer to replace the factory HK buffer on MP5K folding stocks and end caps. As well as a spare or replacement buffer for the MP5 & MP5K folding B&T stocks. Made...
    $9.95
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    $9.95
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