MP5K / SP5K Barrels

MP5K / SP5K Barrels

Whether upgrading or replacing, find precision-engineered HK MP5K/SP5K barrels that enhance performance and accuracy. HKP offers MP5K barrels for sale and threaded barrels for the SP5K, perfect for maintaining reliability and top-tier function. Choose from our wide selection of HK Parts to complete your setup.

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  • On Sale
    New - HK MP5K .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24 - HKP-02318 HK MP5K Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
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    HK MP5K Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug

    HKP HK Parts

    Now: $199.95
    Was: $299.95
    HK MP5K .40 S&W 3-Lug Barrel with Thread Protector - Threaded 9/16x24 3-lugged Barrel with a 9/16x24 thread protector.  Specifications: 3-lugged barrel Includes 9/16x24 thread protector Compatible With: HK MP5K .40 S&W
    Now: $199.95
    Was: $299.95
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    Now: $199.95
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  • On Sale
    New - RCM HK MP5K 10mm Barrel - Threaded 9/16x24 - HKP-21157 HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug
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    HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    RCM

    Now: $251.95
    Was: $279.95
    RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it an essential upgrade for firearm enthusiasts...
    Now: $251.95
    Was: $279.95
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  • On Sale
    New - RCM HK MP5K 10mm Barrel - Threaded 14x.75 - HKP-21155 HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
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    HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug

    RCM

    Now: $251.95
    Was: $279.95
    RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...
    Now: $251.95
    Was: $279.95
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  • New - H&K MP5K PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug - HKP-02317 HK MP5K PDW Barrel - 10mm - Threaded 9/16x24 with 3 Lug
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    HK MP5K PDW Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    USA

    $299.95
    USA MP5K-PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug This US-made MP5KN-PDW 10mm barrel is a rare barrel. Ideal for enhancing your MP5K-PDW, this barrel combines precision threading with the versatility of a 3-lug mount. Specifications: Made In The...
    $299.95
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  • On Sale
    New - RCM HK MP5K .40 S&W Barrel - Threaded 14x.75 - 3-Lug - HKP-21585 HK MP5K Barrel - .40 S&W - Threaded 14x.75 with 3 Lug
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    HK MP5K Barrel - .40 S&W - Threaded 14x.75 with 3 Lug

    RCM

    Now: $251.95
    Was: $279.95
    RCM HK MP5K .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5K .40 cal. Crafted from top-grade CHF 41v40 material, it’s machined to impeccable standards. With the correct...
    Now: $251.95
    Was: $279.95
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  • Out Of Stock
    On Sale
    New - MFI MP5K 9mm Barrel Extension/Faux Suppressor - 3-lug - HKP-18007 HK MP5K Barrel Extension / Faux Suppressor - 9mm - 3 lug

    HK MP5K Barrel Extension / Faux Suppressor - 9mm - 3 lug

    MFI

    Now: $161.95
    Was: $179.95
    MFI MP5K 9mm Barrel Extension/Faux Suppressor - 3-lug Each faux suppressor is designed to attach to the 3 lug MP5K 3 lugged barrel and can be permanently attached (blind pinned) in place to get the overall length of 16.25"overall. Perfect for that rifle...
    Now: $161.95
    Was: $179.95
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    Was: $179.95
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