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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  • Out Of Stock
    New - H&K Barrel VP9 - Black - HKP-16820 HK VP9 Barrel - 9mm

    HK VP9 Barrel - 9mm

    H&K Heckler & Koch

    $0.00
    H&K Barrel VP9 Brand New HK German Standard Length VP9 Barrel. Marked HK 9mmx19. Brand new cold hammer forged & made in Germany. Compatible With: HK VP9 (Optics Ready and non-OR) HK VP9 Tactical HK VP9K HK VP9X NOT compatible with VP9F, VP9L,...
    HKP-16820
    $0.00
    Out Of Stock
    Qty in Cart: 0
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    $0.00
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  • New - RCM HK P30L .40 S&W Tactical Barrel - Threaded 14.5x1 LH - HKP-16220 HK P30L Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
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    HK P30L Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH

    RCM

    $225.00
    RCM HK P30L .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each 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 the HK P30L ...
    HKP-16220
    $225.00
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    $225.00
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  • Out Of Stock
    New - RCM HK MP5 10mm Barrel - Threaded 9/16x24 - HKP-21158 HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    RCM

    $279.95
    RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...
    HKP-21158
    $279.95
    Out Of Stock
    Qty in Cart: 0
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    $279.95
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  • New - RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH - HKP-16238 HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
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    HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH

    RCM

    $225.00
    RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 LH Each 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 the HK P30 9mm pistol,...
    HKP-16238
    $225.00
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    Qty in Cart: 0
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    $225.00
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  • New - HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH - HKP-19395 HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH
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    HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH

    HKP HK Parts

    $369.95
    HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH This new 16.5" threaded barrel is designed for the UMP or Omega firearms. A great replacement or threaded barrel upgrade. Compatible With: HK UMP .45 ACP Omega Firearms
    HKP-19395
    $369.95
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    Qty in Cart: 0
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    $369.95
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  • New - H&K HK MR762/417 Barrel Nut - HKP-16597 HK417, MR762 Barrel Nut
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    HK417, MR762 Barrel Nut

    H&K Heckler & Koch

    $99.95
    HK MR762 Barrel Nut Or Socket Barrel - German HK A must have for any removal or work done to barrel as the barrel nut may need to be replaced./417 Compatible With: HK MR762/417
    HKP-16597
    $99.95
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    Qty in Cart: 0
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    $99.95
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  • New - HKP HK MR556/416 10.4" 5.56 Barrel - HKP-18200 HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28
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    HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28

    HKP HK Parts

    $369.95
    MR556 & HK416 Barrel - 10.4"- US Made - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK...
    HKP-18200
    $369.95
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    Qty in Cart: 0
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    $369.95
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  • New - HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug - HKP-16402 HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
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    HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug

    HKP HK Parts

    $249.95
    HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest standards and tolerances and...
    HKP-16402
    $249.95
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    Qty in Cart: 0
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    $249.95
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  • New - B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug - HKP-17956 HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug
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    HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug

    B&T Brugger & Thomet

    $449.95
    B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is manufactured to exact HK factory specifications exclusively for MP5 models. B&T, a trusted partner of H&K...
    HKP-17956
    $449.95
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    Qty in Cart: 0
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    $449.95
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  • On Sale
    New - HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special - HKP-99177 HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special
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    HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special

    USA

    Now: $59.95
    Was: $289.95
    HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special  Unfinished US-Made MP5K .357 Sig barrel. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. Condition will...
    HKP-99177
    Now: $59.95
    Was: $289.95
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    Now: $59.95
    Was: $289.95
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  • New - H&K USP .40 Expert 5.19" Barrel - Black - HKP-01472 HK USP Expert Barrel - .40 ACP - 5.19"
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    HK USP Expert Barrel - .40 ACP - 5.19"

    H&K Heckler & Koch

    $299.95
    New HK German Factory USP Expert .40 Barrel This barrel will fit a stock USP .40 full-size pistol but will extend out the front of the slide for those who want to use a Comp Weight? or need a longer barrel for the USP .40 firearm. Made in Germany with a...
    HKP-01472
    $299.95
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    $299.95
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  • New - RCM HK P2000 .40 S&W Tactical Barrel - Threaded 9/16x24 RH - HKP-16709 HK P2000 Tactical Barrel - .40 S&W - 4.28" - Threaded 9/16x24 RH
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    HK P2000 Tactical Barrel - .40 S&W - 4.28" - Threaded 9/16x24 RH

    RCM

    $225.00
    RCM HK P2000 .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each P2000 .40 S&W tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. It is the finest threaded replacement barrel available...
    HKP-16709
    $225.00
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    Qty in Cart: 0
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    $225.00
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