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 - CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - Spare Part Lot - BLEMISHED - HKP-99054-B
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    CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - Spare Part Lot - BLEMISHED

    Simunition

    Now: $87.95
    Was: $319.95
    CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - Spare Part Lot - BLEMISHED   SHADES OF BLUE MAY VARY   The CQT FX Simunition conversion spare parts lot from original kits. Everything pictured is included. THIS CLOSEOUT PART IS NOT...
    HKP-99054-B
    Now: $87.95
    Was: $319.95
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    Now: $87.95
    Was: $319.95
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  • New - HK MR556 16" Complete Upper Barrel - HKP-21805 HK MR556 Barrel - 5.56 / .223 - 16" - Complete Upper
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    HK MR556 Barrel - 5.56 / .223 - 16" - Complete Upper

    H&K Heckler & Koch

    $989.95
    HK MR556 16" Complete Upper Barrel Factory HK MR556 16" barrel, complete with a factory-installed barrel nut, gas block and flash hider. Every component is brand new and meticulously crafted, guaranteeing top-notch quality. This barrel is the ultimate...
    HKP-21805
    $989.95
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    Qty in Cart: 0
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    $989.95
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  • On Sale
    New - H&K HK 940 .30-06 Rifle Barrel - HKP-21605 HK 940 Barrel - .30-06
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    HK 940 Barrel - .30-06

    H&K Heckler & Koch

    Now: $549.95
    Was: $948.95
    Heckler and Koch HK 940 .30-06 Rifle Barrel Genuine new HK 940 .30-06 barrel featuring date code and Ulm antler proof.  These barrels are unfired and fully nitrided for a lifetime of use. These barrels are very rare and no longer in production...
    HKP-21605
    Now: $549.95
    Was: $948.95
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    Now: $549.95
    Was: $948.95
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  • New - RCM HK MP5K 10mm Barrel - Threaded 14x.75 - HKP-21155 HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
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    HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug

    RCM

    $279.95
    RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...
    HKP-21155
    $279.95
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    Qty in Cart: 0
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    $279.95
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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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  • New - H&K MP5K PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug - HKP-02317 HK MP5K PDW Barrel - 10mm - Threaded 9/16x24 with 3 Lug
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    HK MP5K PDW Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    USA

    $299.95
    USA MP5K-PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug This US-made MP5KN-PDW 10mm barrel is a rare barrel. Ideal for enhancing your MP5K-PDW, this barrel combines precision threading with the versatility of a 3-lug mount. Specifications: Made In The...
    HKP-02317
    $299.95
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    Qty in Cart: 0
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    $299.95
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  • 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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  • New - RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH - HKP-02400 HK53K Barrel - 5.56 / .223 - 5.3" - Threaded 15x1 RH
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    HK53K Barrel - 5.56 / .223 - 5.3" - Threaded 15x1 RH

    RCM

    $164.95
    RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH US made 922r compliant HK53K barrel.  Specifications: Made In The USA Threaded 15x1 RH Counts As 1 US Made 922r Compliant Part Cold Hammer Forged Steel (CHF) Built To HK Germany...
    HKP-02400
    $164.95
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    Qty in Cart: 0
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    $164.95
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  • On Sale
    HK416A5, MR556 Barrel - 5.56 / .223 - 11" - USED HK416A5, MR556 Barrel - 5.56 / .223 - 11" - USED
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    HK416A5, MR556 Barrel - 5.56 / .223 - 11" - USED

    H&K Heckler & Koch

    Now: $339.95
    Was: $424.95
    HK416A5, MR556 Barrel - 5.56 / .223 - 11" - USED ONLY 3 UNITS AVAILABLE - VARYING CONDITION SHOWN - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Factory German 11" HK416A5, MR556 barrel. Cold...
    HKP-21932-USED
    Now: $339.95
    Was: $424.95
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    Now: $339.95
    Was: $424.95
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  • On Sale
    HK USP Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded - USED HK USP Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded - USED
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    HK USP Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded - USED

    RCM

    Now: $177.95
    Was: $237.50
    HK USP Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Each barrel is finely and painstakingly made from...
    HKP-17746-USED
    Now: $177.95
    Was: $237.50
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    Now: $177.95
    Was: $237.50
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  • On Sale
    HK94 Barrel - Incomplete - USED HK94 Barrel - Incomplete - USED
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    HK94 Barrel - Incomplete - USED

    H&K Heckler & Koch

    Now: $374.95
    Was: $549.95
    Heckler and Koch HK94 Barrel - Incomplete - USED ONLY 2 UNITS AVAILABLE - VARYING CONDITION SHOWN - SOLD INDIVIDUALY USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Genuine HK Incomplete used barrel for the...
    HKP-99433
    Now: $374.95
    Was: $549.95
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    Qty in Cart: 0
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    Now: $374.95
    Was: $549.95
    Subtotal:
  • On Sale
    MKE AP5SD Barrel - USED MKE AP5SD Barrel - USED
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    MKE AP5SD Barrel - USED

    Other

    Now: $187.95
    Was: $249.95
    MKE AP5SD Barrel - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Factory MKE used barrel for MKE AP5SD. Compatible With: MKE AP5SD THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR...
    HKP-99432
    Now: $187.95
    Was: $249.95
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    Qty in Cart: 0
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    Now: $187.95
    Was: $249.95
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