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 15 Round MP5/SP5/MP5K/SP5K 9mm Curved Magazine - Cerakote - HKP-21383-M HK MP5, HK94, SP89, SP5K Curved Magazine - 9mm - 15 Round - Cerakote
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    HK MP5, HK94, SP89, SP5K Curved Magazine - 9mm - 15 Round - Cerakote

    H&K Heckler & Koch

    $99.95
    HK German MP5, MP5K, SP5, SP5K - 15 Round Magazine - Cerakote Brand new factory fresh German HK 15 round curved magazine. Perfect for those in need of a lower capacity magazine for a more comfortable prone position shooting.  Compatible With:...
    $99.95
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  • New - Strike Industries HK MP5K Dual Folding Stabilizer with Adapter - HKP-21386-M HK MP5K Dual Folding Stabilizer with Adapter
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    HK MP5K Dual Folding Stabilizer with Adapter

    B&T Brugger & Thomet / Strike Industries

    $319.95 - $339.95
    Strike Industries Dual Folding Stabilizer with HKP MP5K Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5K picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...
    $319.95 - $339.95
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    $319.95 - $339.95
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  • New - Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group - HKP-20928-M
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    HK MP5K, SP5K Binary Trigger Group - SEF Navy - BFSIII - 9mm

    FA Franklin Armory

    $879.95
    Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market. The BFSIII™ is...
    $879.95
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    $879.95
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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 in...
    $39.95
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  • New - Angstadt Arms 3-Lug Quick Detach 9mm Blast Shield - HKP-19983 Blast Shield - 9mm - Quick Detach with 3 Lug
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    Blast Shield - 9mm - Quick Detach with 3 Lug

    Angstadt Arms

    $99.95
    Angstadt Arms, Blastwave, Blast Diverter, 9MM, 3 Lug Attachment Ideal for close quarters environments or shooting in teams, the Blastwave 3-Lug 9mm QD Blast Shield reduces concussive forces on the shooter and those nearby by redirecting the blast...
    $99.95
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  • New - H&K 90 Series Trigger - HKP-18706
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    HK90 Series Trigger

    H&K Heckler & Koch

    $19.95
    H&K 90 Series Trigger New German 90 series Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    $19.95
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    $19.95
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  • New - H&K MP5SD 9mm Barrel Port Brush - HKP-00137 HK MP5SD Barrel Port Cleaning Brush - 9mm
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    HK MP5SD Barrel Port Cleaning Brush - 9mm

    H&K Heckler & Koch

    $164.95
    HK Factory MP5SD Barrel Port Brush A much-needed barrel brush to keep the barrel clean on all factory HK MP5SD'S. Fits HK factory SD barrels or in-spec clone barrels such as RCM US-made barrels. Compatible With: MP5SD models Grab a...
    $164.95
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    $164.95
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  • New - H&K Bungee Single Point Sling - 1250mm Long - HKP-17604 HK Bungee Single Point Sling - 1250mm Long
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    HK Bungee Single Point Sling - 1250mm Long

    H&K Heckler & Koch

    $109.95
    H&K Bungee Single Point Sling - 1250mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...
    $109.95
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  • Out Of Stock
    New - H&K MP5 40/10 Case Deflector - HKP-02170 HK SP5 Case Deflector - 9mm / 10mm / .40 S&W

    HK SP5 Case Deflector - 9mm / 10mm / .40 S&W

    H&K Heckler & Koch

    $49.95
    SP5 Case Deflector - 9/10/40   Factory HK case deflector for the SP5 platform chambered in 9mm, 10mm, and .40 S&W.   Compatible With: H&K SP5 9/10/40  
    $49.95
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  • On Sale
    New - HKP HK 91/G3/MP5 Ambidextrous Selector Lever - Right Side - Low Profile - HKP-17898 HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile
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    HK91, G3, MP5 Ambidextrous Selector Lever - Right Side - Low Profile

    HKP HK Parts

    Now: $22.95
    Was: $39.95
    Low Profile, No Contact - Ambidextrous Selector Lever - Right Side This is the right side selector of the ambidextrous trigger packs that is low profile and does not interfere with the hand when the selector lever is in the fire, burst and F/A...
    Now: $22.95
    Was: $39.95
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  • On Sale
    New - JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 - HKP-21256 JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28
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    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28

    JMAC Customs

    Now: $77.95
    Was: $99.95
    JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 The360HDis the latest evolution in JMac's Custom's™Recoil Reduction Device™ (RRD)family of muzzle brakes, designed to meet the needs of serious shooters and...
    Now: $77.95
    Was: $99.95
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  • New - MKE AP5-M Sling Complete - HKP-21186 Century Arms AP5-M, AP5-P Sling - Complete
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    Century Arms AP5-M, AP5-P Sling - Complete

    MKE

    $34.99
    MKE AP5-M Sling Complete Features: Factory MP5 Sling Fits AP5-M and AP5-P Pistols 2 Point Sling   
    $34.99
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    $34.99
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