Barrels

Barrels

Premium HK Barrels and Firearm Parts to upgrade your HK firearm with precision-engineered, CHF (Cold Hammer Forged) barrels, and premium parts built for reliability, unparalleled accuracy, and long-term performance. Our OEM and aftermarket HK barrels deliver exceptional quality and fit for pistols, rifles, and submachine guns.

Key Features:

  • CHF (Cold Hammer Forged) construction for unmatched durability and precision
  • Engineered for superior accuracy and shot consistency
  • Made from premium, corrosion-resistant materials
  • Designed for performance, competition, and tactical applications
  • OEM fit and easy installation across multiple HK platforms

Enhance your HK pistol or rifle with the best high-performance CHF barrels engineered for excellence, trusted by professionals  and firearm enthusiasts.

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  • On Sale
    Used - CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED - HKP-99054 CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED
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    CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED

    Simunition

    Now: $269.95
    Was: $319.95
    CQT FX Simunition Conversion Kit for MP5 - 9mm - Blue - USED   SHADES OF BLUE MAY VARY   The CQT FX Simunition conversion kit is in good  condition and comes with original factory packaging. This is your chance to grab one of the last...
    HKP-99054
    Now: $269.95
    Was: $319.95
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    Now: $269.95
    Was: $319.95
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  • New - H&K HK P2000SK .40 S&W - Barrel - Black - HKP-01569 HK P2000SK Barrel - .40 S&W - 3.25"
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    HK P2000SK Barrel - .40 S&W - 3.25"

    H&K Heckler & Koch

    $259.95
    HK German Factory P2000SK .40 S&W Barrel Brand new HK P2000SK .40 Cal factory cold hammer forged polygonal rifled barrel. This barrel measures 3.25" and is drop-in ready.   Compatible With: HK P2000SK .40 S&W
    HKP-01569
    $259.95
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    $259.95
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  • Out Of Stock
    On Sale
    New - H&K HK USP Full Size .40 Barrel - Black - HKP-01528 HK USP Barrel - .40 S&W

    HK USP Barrel - .40 S&W

    H&K Heckler & Koch

    Now: $272.95
    Was: $321.95
    Heckler and Koch German USP Full Size .40 Caliber Barrel Great idea to have a spare, factory cold hammer forged, polygonal HK barrel on hand. Compatible With: USP .40 Full Size USP .40 Tactical
    HKP-01528
    Now: $272.95
    Was: $321.95
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    Was: $321.95
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  • Out Of Stock
    New - MM HK UMP 9mm Conversion Kit - 16 inch Barrel - HKP-02284 HK UMP Caliber Conversion to 9mm Kit - 16.5" Barrel - 30 Round Magazine

    HK UMP Caliber Conversion to 9mm Kit - 16.5" Barrel - 30 Round Magazine

    Michaels Machines

    $889.95
    HK UMP 9mm Conversion Kit - US-Made UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those who have already done the USC-UMP conversion. The conversion parts are drop-in, with the total swap...
    HKP-02284
    $889.95
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    $889.95
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  • Out Of Stock
    New - MM HK 23E (5.56/.223) Heavy Rifle Barrel - HKP-02513 HK23E, HK13 Barrel - 5.56 / .223 - 17.75" - Heavy

    HK23E, HK13 Barrel - 5.56 / .223 - 17.75" - Heavy

    Michaels Machines

    $1,437.95
    Michael's Machines 5.56 NATO / .223 Remington Barrel for HK 23E Heavy Rifle Brand new US-made custom rifle barrel. A must-have spare for your HK rifle or MG. Factory Barrels are hard to find and expensive, but these barrels are of great value and price...
    HKP-02513
    $1,437.95
    Out Of Stock
    Qty in Cart: 0
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    $1,437.95
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  • On Sale
    New - HKP HK 53/51 (5.56/.223) Urbach Style Fluted Barrel Extension - Threaded 15x1 RH - HKP-17638 HK51, HK53 Barrel Extension - Fluted - Urbach Style - Threaded 15x1 RH
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    HK51, HK53 Barrel Extension - Fluted - Urbach Style - Threaded 15x1 RH

    HKP HK Parts

    Now: $82.95
    Was: $149.95
    HKP HK 53/51 (5.56/.223) Urbach Style 8 inch Fluted Barrel Extension - Threaded 15x1 RH This 8" long fluted barrel extension is designed to extend the overall length of a 51 or 53 barrel to meet the 16" legal requirement. Ideal for those using an 8"...
    HKP-17638
    Now: $82.95
    Was: $149.95
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    Now: $82.95
    Was: $149.95
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  • Out Of Stock
    New - PTR HK 93/33 (5.56/.223) Barrel - Threaded 15x1 RH - HKP-16458 HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1 RH

    HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1 RH

    PTR

    $163.95
    PTR HK 93/33 (5.56/.223) Barrel - Threaded 15x1 RH New US made Barrel by PTR for the HK93, HK33 style of firearms. Specifications: Made In The USA 922r Compliant Counts as 1 US Made Part Overall length 16.1" 4140 Ordnance Grade Steel Threaded 15x1...
    HKP-16458
    $163.95
    Out Of Stock
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    $163.95
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  • On Sale
    New - HKP MP5 40/10 Fake Suppressor/Barrel Extension - 3-Lug - HKP-00889
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    HK MP5 Barrel Extension and Faux Suppressor - 3 Lug - .40 S&W, 10mm

    HKP HK Parts

    Now: $55.95
    Was: $69.95
    HKP MP5 40/10 Fake Suppressor/Barrel Extension - 3-Lug This fake suppressor is used as a barrel extension to bring your H&K MP5 40/10 8.85" barrel to legal conforming standards of 16" so you do not have to register the weapon as an SBR. This fits...
    HKP-00889
    Now: $55.95
    Was: $69.95
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    Was: $69.95
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  • On Sale
    HK MP5, SP5 3-Lug Faux Suppressor - Early MP5SD Style HK MP5, SP5 3-Lug Faux Suppressor - Early MP5SD Style
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    HK MP5, SP5 3-Lug Faux Suppressor - Early MP5SD Style

    MFI

    Now: $133.95
    Was: $167.95
    HK MP5, SP5 3-Lug Faux Suppressor - Early classic SD Style MFI replicates the classic appearance of an early MP5SD suppressor. This new design enhances the authenticity of your build for those who aim to replicate a specific era. It is designed to fit...
    HKP-22439
    Now: $133.95
    Was: $167.95
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    Now: $133.95
    Was: $167.95
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  • On Sale
    HK416, MR556 Barrel - 5.56 - 9" - Threaded 1/2"x28 - PDW - A1 and A3 HK416, MR556 Barrel - 5.56 - 9" - Threaded 1/2"x28 - PDW - A1 and A3
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    HK416, MR556 Barrel - 5.56 - 9" - Threaded 1/2"x28 - PDW - A1 and A3

    Nefarious Arms

    Now: $504.95
    Was: $594.95
    Nefarious Arms HK 416C 9" Barrel The Nefarious Arms HK416/MR556 Barrel is built for shooters who demand precision, durability, and consistent performance. Made in the USA from 4150 chromoly steel, cold-hammer-forged, and chrome-lined for enduring...
    HKP-21906
    Now: $504.95
    Was: $594.95
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    Now: $504.95
    Was: $594.95
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  • New - H&K HK P30, P30S 9mm Barrel - Black - HKP-01828 HK P30 / P30S 9mm Barrel, Factory OEM Replacement, Part 229931
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    HK P30, P30S Barrel - 9mm - 3.85"

    H&K Heckler & Koch

    $269.95
    Factory barrel for HK P30 and HK P30S 9mm pistols made by Heckler and Koch in black. Features: Factory made in Germany 3.85" barrel caliber 9 x 19mm six-sided polygonal Cold hammer Forged CHF from strong steel with a black finish Stamped for both its...
    HKP-01828
    $269.95
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    Qty in Cart: 0
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    $269.95
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  • New - H&K HK VP40 Barrel - Black - HKP-18722 HK VP40 Barrel - .40 S&W - 4.09"
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    HK VP40 Barrel - .40 S&W - 4.09"

    H&K Heckler & Koch

    $229.95
    Brand New HK German Standard Length VP40 Barrel. Cold Hammer Forged & Make in Germany. Compatible With: HK VP40 VP40 Tactical Models
    HKP-18722
    $229.95
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    $229.95
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