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 Apparel - Hats, Patches, and Shirts - V2 HK MP5K Apparel - Hats, Patches, and Shirts - V2
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    HK MP5K Apparel - Hats, Patches, and Shirts - V2

    HKP HK Parts

    $0.00
    HKP HK MP5K Apparel and Patch Collection - Version 2 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-22455-M
    $0.00
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  • Out Of Stock
    HK MP5, MP5K Cocking Handle - Skeletonized HK MP5, MP5K Cocking Handle - Skeletonized

    HK MP5, MP5K Cocking Handle - Skeletonized

    HKP HK Parts

    $45.95
    HKP HK MP5, MP5K Extended Cocking Handle - Skeletonized Skeletonized extended cocking handle for MP5 & MP5K firearms. Designed to also function with UTG monolithic M-LOK handguards.  Made from solid steel billet and nitrided for a robust finish...
    HKP-22273
    $45.95
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    New - B&T HK MP5/MP5K QD/QO Brass Catcher - HKP-21315 HK MP5, MP5K Brass Catcher - QD,QO

    HK MP5, MP5K Brass Catcher - QD,QO

    B&T Brugger & Thomet

    $264.95
    B&T HK MP5/MP5K QD/QO Brass Catcher Works with HK MP5 only with the BT-21358 handguard or for the BT-21573 handguard for the MP5K. Compatible With: HK MP5/MP5K HK SP5/HK SP5K Clones
    HKP-21315
    $264.95
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  • New - E&L MFG MP5, MP5K, 94, SP89 Brass Catcher - HKP-00845 HK MP5, HK94, SP89, SP5K Brass Catcher
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    HK MP5, HK94, SP89, SP5K Brass Catcher

    E&L MFG

    $79.95
    E&L MFG MP5, 94, MP5K, SP89 Brass Catcher Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and is made from strong, lightweight, black textured plastic. Each holds a minimum of 60 rounds...
    HKP-00845
    $79.95
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  • Out Of Stock
    HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284 HK MP5 Barrel Retaining Pin - 5.015mm H&K Heckler & Koch HKP-22284

    HK MP5 Barrel Retaining Pin - 5.015mm

    H&K Heckler & Koch

    $14.95
    H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel.  Compatible With:  HK MP5, SP5, MP5K,...
    HKP-22284
    $14.95
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    $14.95
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  • New - RCM MP5K/SP89/SP5K 9mm RS Trunnion - HKP-02242 HK MP5K, SP89, SP5K Trunnion - 9mm - RS
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    HK MP5K, SP89, SP5K Trunnion - 9mm - RS

    RCM

    $69.95
    MP5K Reverse Stretch Trunnion US-made to exact factory HK specifications for the HK MP5K, SP89 9mm builds. There is a difference between the MP5K and the MP5 trunnion. This offering is the correct trunnion for the MP5K and all MP5K PDW variants,...
    HKP-02242
    $69.95
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  • New - Universal Bore Cleaning Brush - 9mm/10mm/.40 S&W - HKP-00917 Barrel Bore Cleaning Brush - 9mm / 10mm / .40 S&W
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    Barrel Bore Cleaning Brush - 9mm / 10mm / .40 S&W

    $13.95
    Universal Bore Cleaning Brush - 9mm/10mm/.40 S&W The HK combination brush was designed exclusively to clean the HK 9mm and 10mm fluted chamber and bore with one easy stroke. This brush has brass and stainless steel bristles. 
    HKP-00917
    $13.95
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  • On Sale
    HK MP5, 90 Series Locking Plate for Rollers HK MP5, 90 Series Locking Plate for Rollers
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    HK MP5, 90 Series Locking Plate for Rollers

    USA

    Now: $3.95
    Was: $8.95
    Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...
    HKP-99399
    Now: $3.95
    Was: $8.95
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  • Out Of Stock
    New - HKP HK MP5K, SP5K, SP89 Single Point Leather Sling - Dark Brown - HKP-20270 HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown

    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 - H&K HK MP5, MP5K MIM & Machined Rear Sight Base - HKP-19705 HK MP5, MP5K Rear Sight Base - MIM and Machined
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    HK MP5, MP5K Rear Sight Base - MIM and Machined

    H&K Heckler & Koch

    $14.95
    Heckler and Koch Rear Sight Base - Weldment for HK MP5 and HK MP5K New HK MP5, MP5K 17-4 Stainless H900 rear sight base. The most correct MP5, MP5K rear sight base available. The only factory correct sight base with the factory HK German side axis...
    HKP-19705
    $14.95
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  • New - HKP MP5 40/10 30 Round Magazine Body - HKP-16508 HK MP5, MP5K Magazine Body - .40 S&W, 10mm - 30 Round - Straight
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    HK MP5, MP5K Magazine Body - .40 S&W, 10mm - 30 Round - Straight

    HKP HK Parts

    $29.95
    HKP MP5 40/10 30 Round Magazine Body New US Made MP5 40/10 30 Round Magazine Housing Body. Each magazine body comes black in color. Each body counts as one US made compliant part and is a great item to have on hand to replace other junk mag bodies or...
    HKP-16508
    $29.95
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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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