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 Mark 23 .45 ACP Barrel - Threaded 16x1 RH - BLEMISHED - HKP-01038-B H&K Mark 23 .45 ACP Barrel - Threaded 16x1 RH - BLEMISHED H&K Heckler & Koch HKP-01038-B
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    HK Mark 23 Barrel - Threaded 16x1 RH - USED

    H&K Heckler & Koch

    Now: $449.95
    Was: $599.95
    H&K Mark 23 .45 ACP Barrel - Threaded 16x1 RH - USED A great replacement item for a now out-of-production pistol. New HK German mark 23 barrel threaded with the factory correct 16x1 RH thread. Get that replacement or factory new spare barrel while...
    HKP-01038-USED
    Now: $449.95
    Was: $599.95
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    Qty in Cart: 0
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    Now: $449.95
    Was: $599.95
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  • Out Of Stock
    Used - H&K HK SL8 20.8" Barrel Complete - Used - HKP-20316 HK SL8 Barrel - 5.56 / .223 - 20.8" - Used - Complete Assembly

    HK SL8 Barrel - 5.56 / .223 - 20.8" - Used - Complete Assembly

    H&K Heckler & Koch

    $449.95
    Factory HK SL8 Barrel, 20.8" used, like new HK German Sl8 barrel with barrel nut, gas block installed. HK SL8-1 HK SL8-6 Rare and hard to find.
    HKP-20316
    $449.95
    Out Of Stock
    Qty in Cart: 0
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    $449.95
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    Out Of Stock
  • Out Of Stock
    New - HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug - HKP-18511 HK UMP Barrel - .45 ACP - 8" - Threaded 16x1 LH with 3 Lug - US

    HK UMP Barrel - .45 ACP - 8" - Threaded 16x1 LH with 3 Lug - US

    HKP HK Parts

    $399.95
    HKP H&K UMP .45 ACP Barrel - Threaded 16x1 LH - 3-Lug New USA made .45 ACP 8" barrel for the UMP or Omega firearms. Each barrel is threaded 16x1 RH and 3-Lug tipped. The finest barrel for the UMP .45 ACP on the market. Specifications: Overall Length...
    HKP-18511
    $399.95
    Out Of Stock
    Qty in Cart: 0
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    $399.95
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    Out Of Stock
  • On Sale
    HK94 Barrel - Sight Tower - Non-Threaded - LIKE NEW HK94 Barrel - Sight Tower - Non-Threaded - LIKE NEW
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    HK94 Barrel - Sight Tower - Non-Threaded - LIKE NEW

    H&K Heckler & Koch

    Now: $499.95
    Was: $599.95
    Heckler and Koch HK94 Barrel with Sight Tower - Non-Threaded - LIKE NEW ONLY 1 UNIT AVAILABLE Factory-style barrel designed for HK94 pattern firearms. This non-threaded barrel is suitable for replacement or build use and maintains the correct profile and...
    HKP-99366
    Now: $499.95
    Was: $599.95
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    Qty in Cart: 0
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    Now: $499.95
    Was: $599.95
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  • Out Of Stock
    New - HK G36E Barrel - HKP-19273 HK G36E Barrel - 5.56 / .223 - 19"

    HK G36E Barrel - 5.56 / .223 - 19"

    USA

    $499.95
    Barrel - USA - HK G36E Brand new HK G36E barrel. Specifications: Barrel length 19"
    HKP-19273
    $499.95
    Out Of Stock
    Qty in Cart: 0
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    $499.95
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    Out Of Stock
  • On Sale
    Used - H&K HK USC 45 Barrel - Used - HKP-20471 HK USC 45 Barrel - .45 ACP - Used
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    HK USC 45 Barrel - .45 ACP - Used

    H&K Heckler & Koch

    Now: $488.95
    Was: $695.95
    Barrel - HK USC 45 in Exc + shape HK German factory USC 45 barrel in excellent + condition. Rare and hard to find. 
    HKP-20471
    Now: $488.95
    Was: $695.95
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    Qty in Cart: 0
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    Now: $488.95
    Was: $695.95
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  • Out Of Stock
    New - H&K MR556 & HK416 (5.56x45/.223) Upper Conversion Kit - Threaded 1/2x28 - HKP-17877 HK416, MR556 Upper Conversion Kit - Threaded 1/2x28, - 5.56x45 / .223

    HK416, MR556 Upper Conversion Kit - Threaded 1/2x28, - 5.56x45 / .223

    HKP HK Parts

    $699.95
    H&K MR556 & HK416 (5.56x45/.223) Upper Conversion Kit - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 14.5" upper for an HK416 or MR556. This conversion kit adds an upper or a barrel option for your MR556, CR556...
    HKP-17877
    $699.95
    Out Of Stock
    Qty in Cart: 0
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    $699.95
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    Out Of Stock
  • Out Of Stock
    New - HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28 - HKP-02287 HK UMP Conversion Kit - 9mm - Threaded 1/2x28

    HK UMP Conversion Kit - 9mm - Threaded 1/2x28

    HKP HK Parts

    $679.95
    HKP HK UMP 9mm Conversion Kit -Threaded 1/2x28 9mm UMP/USC conversion kit will convert existing USC-UMP conversions to 9mm. This is a simple drop-in conversion for those that have already done the USC-UMP conversion. The conversion parts are drop in with...
    HKP-02287
    $679.95
    Out Of Stock
    Qty in Cart: 0
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    $679.95
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    Out Of Stock
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