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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    New - 90 Series Barrel Pin Jig - HKP-08928 HK MP5, HK90 Series Barrel Pin Jig

    HK MP5, HK90 Series Barrel Pin Jig

    HKP HK Parts

    Now: $95.96
    Was: $119.95
    HKP HK MP5, HK90 Series Barrel Pin Jig This jig is designed for the installation and removal of barrel pins on all HK 90 series rifles and pistols. It’s the companion tool for builders already using HK flat-bending jigs and other HKP armorer tools,...
    Now: $95.96
    Was: $119.95
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    New - HKP MP5K Enhanced SD Shroud - HKP-00849 HK MP5KSD, SP89 Barrel Shroud - Enhanced
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    HK MP5KSD, SP89 Barrel Shroud - Enhanced

    HKP HK Parts

    Now: $95.96
    Was: $119.95
    HK Parts MP5K SD Barrel Shroud For SP89 and MP5K Conversion Our MP5K SD shroud is a the best option for those who want to build a custom MP5K SD model. Made in the USA.
    Now: $95.96
    Was: $119.95
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  • On Sale
    New - RCM HK MP5K/N 9mm Barrel - Threaded 1/2x28 - 3-Lug - HKP-19330 HK MP5K, MP5KN Barrel - 9mm - 5.85" - Threaded 1/2x28 with 3 Lug
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    HK MP5K, MP5KN Barrel - 9mm - 5.85" - Threaded 1/2x28 with 3 Lug

    RCM

    Now: $148.45
    Was: $164.95
    RCM HK MP5K/N 9mm Barrel - Threaded 1/2x28 - 3-Lug Machined from a cold hammer forged blank to the latest MP5KN PDW specifications, this barrel features factory-correct, updated 16 flutes in the chamber. It is 3-lugged, threaded, and designed to...
    Now: $148.45
    Was: $164.95
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  • On Sale
    New - RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug - HKP-01764 HK MP5K, SP5K, SP89 Barrel - 9mm - 5.85" - 3 Lug
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    HK MP5K, SP5K, SP89 Barrel - 9mm - 5.85" - 3 Lug

    RCM

    Now: $134.95
    Was: $149.95
    RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug This is the only US-made non-threaded barrel that uses the same steel and Cold Hammer Forged (CHF) process as Heckler & Koch. Precision-milled to the latest MP5KN PDW specifications with...
    Now: $134.95
    Was: $149.95
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  • On Sale
    Used - HK MP5/K Barrel Extension Faux Suppressor - Threaded 15x1 RH - HKP-20890 HK MP5, MP5K Barrel Extension / Faux Suppressor - 8.85" - Threaded 15x1 RH
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    HK MP5, MP5K Barrel Extension / Faux Suppressor - 8.85" - Threaded 15x1 RH

    USA

    Now: $161.95
    Was: $179.95
    HK MP5/K Barrel Extension Faux Suppressor - 15x1 RH Perfect for that rifle build or for those looking for the MP5KN suppressed look. Dakota tactical review of this exciting new product on an MP5: DTAC Suppressor Review Specifications: Overall length: 8...
    Now: $161.95
    Was: $179.95
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    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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