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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  • On Sale
    New - HKP MP5 40/10 30 Round Magazine Spring - HKP-16509
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    HK MP5 Magazine Spring - 10mm / .40 S&W - 30 Round

    HKP HK Parts

    Now: $3.96
    Was: $4.95
    HKP MP5 40/10 30 Round Magazine Spring
    Now: $3.96
    Was: $4.95
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    Was: $4.95
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    On Sale
    New - Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine - HKP-20916 HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round

    HK MP5 Magazine - Monkey Subsonic Labeled - 30 Round

    Zenith

    Now: $39.56
    Was: $43.95
    Zenith 30 Round HK MP5 Monkey Subsonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...
    Now: $39.56
    Was: $43.95
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    Was: $43.95
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  • New - H&K -6 Roller For Bolt Head 7.94mm - Under-sized - HKP-00342 HK -6 Roller For Bolt Head 7.94mm - Under-sized
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    HK -6 Roller For Bolt Head 7.94mm - Under-sized

    H&K Heckler & Koch

    $27.95
    H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms.  Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...
    $27.95
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  • On Sale
    New - Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange - HKP-21100 Blitzkrieg  HK MP5 Spike Front Sight Gen 2 - Orange
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    Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange

    Blitzkrieg Components

    Now: $76.45
    Was: $84.95
    Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Orange The Blitzkrieg Gen 2 PTR-style front sight provides an advanced sighting system with improved visibility and precision. The spike-tipped post and bright orange stripe ensure a fast and clear sight...
    Now: $76.45
    Was: $84.95
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    Was: $84.95
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  • On Sale
    New - HKP HK MP5K QD End Cap with Buffer - Black - HKP-20117 HK MP5K QD End Cap with Buffer
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    HK MP5K QD End Cap with Buffer

    HKP HK Parts

    Now: $35.96
    Was: $44.95
    Quick Detach MP5K, SP-89 Steel End Cap With Replaceable Rubber Buffer Compatible With: MP5K SP89 Clone or other custom builds
    Now: $35.96
    Was: $44.95
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  • On Sale
    New - B&T HK 416/MR556 Angled Foregrip / Hand Stop with NAR Interface - HKP-21416 HK416, MR556 Foregrip or Hand Stop - Angled - NAR Interface
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    HK416, MR556 Foregrip or Hand Stop - Angled - NAR Interface

    B&T Brugger & Thomet

    Now: $45.00
    Was: $50.00
    B&T Angled Foregrip / Hand Stop with NAR Interface A perfect solution for shooters who prefer an angled foregrip. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto any NAR/Picatinny rail...
    Now: $45.00
    Was: $50.00
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    Was: $50.00
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  • On Sale
    New - HKP MP5K/SP5K/SP89 Folding Stock Adapter - Black - HKP-20799 HK MP5K, SP5K, SP89 Folding Stock Adapter
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    HK MP5K, SP5K, SP89 Folding Stock Adapter

    HKP HK Parts

    Now: $111.96
    Was: $139.95
    HKP MP5K/SP5K/SP89 Folding Stock Adapter The HK Parts folding stock adapter is the best option to attach onto the UMP style stock or the B&T  folding stock. Will also work on any other stocks that utilizes the same mounting / folding system...
    Now: $111.96
    Was: $139.95
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    Was: $139.95
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  • On Sale
    New - H&K Vertical Foregrip - HKP-18465 HK Vertical Foregrip
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    HK Vertical Foregrip

    H&K Heckler & Koch

    Now: $87.26
    Was: $96.95
    H&K Vertical Foregrip (With Slide in for LM/LLM Switch) Compatible With: HK MP5/K HK MP5SD MP7A2 HK G36/G36K/G36C HK MR556/416 HK MR762/417
    Now: $87.26
    Was: $96.95
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    Now: $87.26
    Was: $96.95
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  • New - SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized - HKP-21054 HK MP5K Folding Brace - Skeletonized
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    HK MP5K Folding Brace - Skeletonized

    B&T Brugger & Thomet / SB Tactical

    $239.95
    SB Tactical - B&T - HK MP5K Swiss Folding Brace - Skeletonized Factory Swiss B&T MP5K, SP5K folding pistol brace with the SB tactical/ B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with...
    $239.95
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    $239.95
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  • On Sale
    New - Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black - HKP-20230 HK MP5, G3, HK93 Grip Wrap - Granulate - Navy Style Lower
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    HK MP5, G3, HK93 Grip Wrap - Granulate - Navy Style Lower

    Talon Grip

    Now: $17.99
    Was: $19.99
    Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...
    Now: $17.99
    Was: $19.99
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  • On Sale
    Used - H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED - HKP-19850 HK MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
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    HK MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED

    H&K Heckler & Koch

    Now: $89.95
    Was: $99.95
    H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...
    Now: $89.95
    Was: $99.95
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    Was: $99.95
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  • On Sale
    New - UTG Quick Detach Low Profile Folding Grip - HKP-15029 Folding Grip - Quick Detach - Low Profile
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    Folding Grip - Quick Detach - Low Profile

    UTG

    Now: $44.96
    Was: $49.95
    UTG Quick Detach Low Profile Folding Grip Features: Unique knurled surface for the most solid grip Smart Posi-Lock cross bolt and spring tensioned locking plate with steel insert for the most secure installation Fully adjustable quick detachable...
    Now: $44.96
    Was: $49.95
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