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
    New - H&K MR762 A4 1.0mm Gas Vent Screw - HKP-21954
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    HK MR762 A4 Gas Vent Screw - 1.0mm

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K MR762 A4 1.0mm Gas Vent Screw German 1.0mm gas vent screw for MR762 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4
    Now: $26.95
    Was: $29.95
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    Now: $26.95
    Was: $29.95
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  • On Sale
    New - H&K HK MR556 A4/A5 11" Barrel - HKP-21932 HK416A5, MR556 Barrel - 5.56 / .223 - 11"
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    HK416A5, MR556 Barrel - 5.56 / .223 - 11"

    H&K Heckler & Koch

    Now: $382.45
    Was: $424.95
    Heckler and Koch 11" Barrel for HK416A5, MR556 A4, MR556 A5 Factory German 11" HK416A5, MR556 barrel. Cold hammer-forged and built to HK’s standard for durability, accuracy, and service life. The 1:7 twist rate stabilizes a wide range of 5.56 NATO...
    Now: $382.45
    Was: $424.95
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    Now: $382.45
    Was: $424.95
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  • On Sale
    New - Nefarious Arms HK MR556/416 11" A5 Barrel - HKP-21839 HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5
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    HK416 A5, MR556 A4 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A5

    Nefarious Arms

    Now: $535.46
    Was: $594.95
    Nefarious Arms HK MR556/HK416 11" A5 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER.  THE MARKING IS NOT VISIBLE ONCE INSTALLED.  THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS...
    Now: $535.46
    Was: $594.95
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    Now: $535.46
    Was: $594.95
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  • New - H&K MR556 Slimline Barrel, 16.5" - HKP-21322 HK MR556 Barrel 5.56 / .223 - 16.5" - Slimline
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    HK MR556 Barrel 5.56 / .223 - 16.5" - Slimline

    H&K Heckler & Koch

    $489.95
    H&K MR556 Slimline Barrel, 16.5" Genuine HK MR556 Slimline 16.5" Barrel.  Non-chrome-lined for match accuracy. Compatible With: HK MR556
    $489.95
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    $489.95
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  • On Sale
    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

    Now: $139.95
    Was: $239.95
    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
    Now: $139.95
    Was: $239.95
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    Now: $139.95
    Was: $239.95
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  • On Sale
    New - RCM HK P30L 9mm Barrel - Non-Threaded - HKP-16686 HK P30L Barrel - 9mm - 4.45" - Non-Threaded
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    HK P30L Barrel - 9mm - 4.45" - Non-Threaded

    RCM

    Now: $185.63
    Was: $206.25
    RCM HK P30L 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK P30L 9mm pistol, ideal as a spare or for...
    Now: $185.63
    Was: $206.25
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    Now: $185.63
    Was: $206.25
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  • Used - H&K UMP (.40 S&W) Conversion Kit - Used - HKP-00729 HK UMP (.40 S&W) Conversion Kit - Used
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    HK UMP (.40 S&W) Conversion Kit - Used

    H&K Heckler & Koch

    $1,087.95
    HK UMP .40 Caliber Conversion Kit This UMP conversion kit provides the necessary components to convert .45 sub-guns to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub-guns. This is a simple, drop-in conversion requiring a...
    $1,087.95
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    $1,087.95
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  • Out Of Stock
    On Sale
    Used - H&K UMP (.40 S&W) Barrel - Used - HKP-00600

    HK UMP Barrel - .40 S&W - Used

    H&K Heckler & Koch

    Now: $299.95
    Was: $499.95
    Heckler and Koch Ump Barrel made in Germany  These are police department trade-in barrels in good shape and perfectly usable.
    Now: $299.95
    Was: $499.95
    Out Of Stock
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    Now: $299.95
    Was: $499.95
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    Out Of Stock
  • New - HKP HK PSG1/93/33 (5.56/.223) MSG90 Style Match Barrel - HKP-17008 HK33, HK93, PSG1 Match Barrel - 5.56 / .223 - 26"- MSG90 Style
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    HK33, HK93, PSG1 Match Barrel - 5.56 / .223 - 26"- MSG90 Style

    HKP HK Parts

    $499.95
    HK PSG-1, MSG-90 Style 5.56, .223 HK 93, HK 33 Match Barrel: This is the finest PSG1 barrel you can get for your custom HK93, SG1, PSG1 style build in 5.56. Built on trusted tooling to HK specifications.  Perfect for that custom build or the for the...
    $499.95
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    $499.95
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  • On Sale
    New - H&K MR556 A4/416 A5 Gas Block Spring - HKP-22060 HK MR556 A4/416 A5 Gas Block Spring
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    HK MR556 A4/416 A5 Gas Block Spring

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    H&K MR556 A4/416 A5 Gas Block Spring German-made gas block spring for the MR556 A4 and HK416 A5. Compatible With: HK MR556 A4 HK416 A5
    Now: $17.95
    Was: $19.95
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    Now: $17.95
    Was: $19.95
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  • New - H&K HK 93, HK 33 Barrel, NIW 1 in 7, RARE - HKP-19344 HK33, HK93, Barrel - 5.56 / .223 - 16" - 1 in 7 Twist Rate - RARE
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    HK33, HK93, Barrel - 5.56 / .223 - 16" - 1 in 7 Twist Rate - RARE

    H&K Heckler & Koch

    $1,887.95
    HK33, HK93, Barrel, RARE 1 in 7 Twist Rate New HK93, 33 barrel featuring the uber rare 1 in 7 twist rate.  The barrel features the factory pinned flash hider to achieve the non-SBR legal 16" overall length. Includes factory-installed sight tower...
    $1,887.95
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    Qty in Cart: 0
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    $1,887.95
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  • On Sale
    New - RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH - HKP-16943 HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 14.5x1 LH
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    HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 14.5x1 LH

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 SK tactical barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for...
    Now: $202.50
    Was: $225.00
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    Qty in Cart: 0
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    Now: $202.50
    Was: $225.00
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