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 - HKP MP5SD Sealing Ring - Enhanced - HKP-18053
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    HK MP5SD Sealing Ring - Enhanced

    HKP HK Parts

    Now: $7.96
    Was: $9.95
    HKP MP5SD Sealing Ring - Enhanced The enhanced sealing ring is made from a newer, longer-lasting material as well as having a slightly thicker profile for secure sealing. The MP5SD sealing ring is the gasket that seals the SD suppressor against the...
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    Was: $9.95
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    New - HKP MP5/K Thread Protector - Threaded 1/2x28 RH - HKP-16883 HK MP5, MP5K Thread Protector - 9mm - Threaded 1/2x28 RH
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    HK MP5, MP5K Thread Protector - 9mm - Threaded 1/2x28 RH

    HKP HK Parts

    Now: $11.96
    Was: $14.95
    HKP/H&K MP5/K 9mm Thread Protector - Threaded 1/2x28 RH This US-made thread protector is specifically designed for HK MP5, MP5K, and threaded barrel applications. Ideal for MP5, MP5-N, and MP5K-N style barrels, it is the factory-correct protector for...
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    Was: $14.95
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    New - HKP HK MP5SD 9mm Barrel Port Brush - HKP-20989 HK MP5SD Barrel Port Brush
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    HK MP5SD Barrel Port Brush

    HKP HK Parts

    Now: $63.96
    Was: $79.95
    HKP HK MP5SD 9mm Barrel Port Brush The HKP MP5SD barrel port brush can be rotated in either direction for stiffer or softer cleaning when using our proprietary handle. Compatible with any brush handle featuring the factory thread pitch. Compatible...
    Now: $63.96
    Was: $79.95
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    New - H&K MP5SD Sealing Ring - HKP-00142

    HK MP5SD Sealing Ring

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K MP5SD Sealing Ring Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions. This is a typical wear item as they do degrade and crack. Compatible...
    Now: $26.95
    Was: $29.95
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  • On Sale
    New - HKP HK SP5/K 9mm Thread Protector - Threaded 1/2x28 - HKP-21375 HK SP5, SP5K Thread Protector - 9mm - 1/2x28
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    HK SP5, SP5K Thread Protector - 9mm - 1/2x28

    HKP HK Parts

    Now: $15.96
    Was: $19.95
    HKP HK SP5, SP5K 9mm Thread Protector - Threaded 1/2x28 Our thread protector is compatible with all factory-spec SP5 barrels and is a perfect replacement part. Specifications: Made in the USA Threaded 1/2x28 Compatible With: HK SP5, SP5K 9mm SP5, SP5K...
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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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  • On Sale
    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
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    HK 9mm Thread Protector - 1/2x28

    HKP HK Parts

    Now: $11.96
    Was: $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...
    Now: $11.96
    Was: $14.95
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  • On Sale
    New - HKP HK MP5SD Barrel Port Brush Replacement Cartridge - HKP-21294 HK MP5SD Port Brush - Barrel - Replacement Cartridge
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    HK MP5SD Port Brush - Barrel - Replacement Cartridge

    HKP HK Parts

    Now: $31.00
    Was: $38.75
    HKP MP5SD Replacement Cartridge for Barrel Port Brush Replacement cartridge for HK MP5SD barrel port brush. Our replacement cartridge is compatible with factory HK barrel brush assemblies. Compatible With: HK MP5SD  
    Now: $31.00
    Was: $38.75
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    Was: $38.75
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  • On Sale
    New - HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH - HKP-17977 HK 9mm Thread Protector - Enhanced - 1/2x28 RH
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    HK 9mm Thread Protector - Enhanced - 1/2x28 RH

    HKP HK Parts

    Now: $15.96
    Was: $19.95
    HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH   This enhanced thread protector is crafted from stainless steel and designed for 1/2x28 threaded barrels. Its unique design not only fits over and protects the crown of your barrel but...
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    Was: $19.95
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  • On Sale
    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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    New - B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug - HKP-17894 HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug

    B&T Brugger & Thomet

    Now: $315.00
    Was: $350.00
    B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. New Swiss manufactured from hand-picked Swiss...
    Now: $315.00
    Was: $350.00
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    Was: $350.00
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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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