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, AP5-P Vertical Foregrip HK MP5K, AP5-P Vertical Foregrip
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    HK MP5K, AP5-P Vertical Foregrip

    MKE

    $44.95
    MKE Made Vertical Foregrip MKE vertical grip for the HK MP5K models. Compatible With: HK MP5K, SP89 HK SP5K Century AP5-P, AP5-M In-spec clones and custom builds
    HKP-22471
    $44.95
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  • Used - RCM HK Style MP5K 9mm Complete Bolt Group - HKP-19846 HK MP5K Bolt Group - Complete - 9mm - SA/FA
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    HK MP5K Bolt Group - Complete - 9mm - SA/FA

    RCM

    $394.95
    Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group is compatible with semi and full-auto MP5K 9mm style firearms.  Each bolt group comes complete,...
    HKP-19846
    $394.95
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  • New - HK SP89, SP5K, MP5K - Forearm - HKP-17397 HK MP5, MP5K, SP89 Handguard with Handstop
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    HK MP5, MP5K, SP89 Handguard with Handstop

    HKP HK Parts

    $29.95
    HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse Stretch Style Builds Custom MP5K/ SP89 builds Specifications: Made in the USA 922r Compliant Brand: HK Parts *Can be modified to install on MP5K-N builds with 3...
    HKP-17397
    $29.95
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  • Used - H&K MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used - HKP-18095-PP HK MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used
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    HK MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used

    H&K Heckler & Koch

    $499.95
    HK German MP5K SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all F/A...
    HKP-18095-PP
    $499.95
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  • New - H&K MP5 & MP5K 9mm Magazine Floor Plate - HKP-01051 HK MP5, HK94, SP89, SP5K Magazine Floorplate - 9mm
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    HK MP5, HK94, SP89, SP5K Magazine Floorplate - 9mm

    H&K Heckler & Koch

    $10.95
    HK MP5, 94, MP5K, & SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.
    HKP-01051
    $10.95
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  • Out Of Stock
    New - HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 - HKP-02646 HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 HKP HK Parts HKP-02646

    Thread Protector - 9mm, 5.56 / .223 - 1/2x28 RH

    HKP HK Parts

    $14.95
    HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS threaded pistol...
    HKP-02646
    $14.95
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  • New - HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set - HKP-17229 HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set HKP HK Parts HKP-17229
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    Selector Lever Set - Ambi 0,1 - Extended Left Side

    HKP HK Parts

    $99.95
    Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1 FBI...
    HKP-17229
    $99.95
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  • On Sale
    New - MKE HK MP5 Hammer Spring - HKP-22224 MKE HK MP5 Hammer Spring MKE HKP-22224
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    HK MP5, MP5K Hammer Spring - 9mm - US

    MKE

    Now: $3.89
    Was: $5.89
    MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring.  Worn hammer springs can cause light primer strikes and misfires.  A great part to load up on for years of trouble free shooting. Crafted per HK specifications by MKE...
    HKP-22224
    Now: $3.89
    Was: $5.89
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    Now: $3.89
    Was: $5.89
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  • HK MP5, MP5K Cocking Handle - Knurled - Extended HK MP5, MP5K Cocking Handle - Knurled - Extended
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    HK MP5, MP5K Cocking Handle - Knurled - Extended

    Leapers - UTG

    $29.97
    HK MP5, MP5K Cocking Handle Extended Extended cocking handle for the MP5 style of firearms. These cocking handles also count towards one US made component for 922r compliance.  Made by UTG to work with their monolithic M-LOK handguards...
    HKP-22421
    $29.97
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  • On Sale
    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
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    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring

    MKE

    Now: $16.95
    Was: $19.95
    MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...
    HKP-99344
    Now: $16.95
    Was: $19.95
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    Now: $16.95
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  • HK MP5, MP5K Cocking Handle - Enhanced HK MP5, MP5K Cocking Handle - Enhanced
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    HK MP5, MP5K Cocking Handle - Enhanced

    HKP HK Parts

    $39.95
    HKP HK MP5, MP5K Cocking Handle - Enhanced The HKP enhanced cocking handle is just like our MP5 extended cocking handle but was designed to also function with UTG monolithic M-LOK handguards. Available exclusively at HK Parts. Specifications: Made...
    HKP-22382
    $39.95
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  • Out Of Stock
    New - B&T Short Style Quick Detach Vertical Grip - Coyote Tan - HKP-18041

    B&T Vertical Foregrip - Short Style - Quick Detach - Coyote Tan

    B&T Brugger & Thomet

    $75.00
    B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the...
    HKP-18041
    $75.00
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    $75.00
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