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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  • New - RCM HK P30 & P30S 9mm Barrel - Non-Threaded - HKP-16687 HK P30, P30S Barrel - 9mm - 3.85" - Non-Threaded
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    HK P30, P30S Barrel - 9mm - 3.85" - Non-Threaded

    RCM

    $206.25
    RCM HK P30 & P30S 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 P30 9mm pistol, ideal as...
    HKP-16687
    $206.25
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    Qty in Cart: 0
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    $206.25
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  • New - H&K .45 ACP Tactical Texas Style Thread Protector - Threaded 16x1 RH - HKP-20406 HK Mark 23 Thread Protector - Tactical Texas Style - Threaded 16x1 - RH
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    HK Mark 23 Thread Protector - Tactical Texas Style - Threaded 16x1 - RH

    H&K Heckler & Koch

    $24.95
    H&K Mark 23 ACP Tactical Texas Style Thread Protector - Threaded 16x1 RH The Texas Style thread protector features raised knurling, distinguishing it from the standard HK style, which does not have this raised texture. This design ensures a secure...
    HKP-20406
    $24.95
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    Qty in Cart: 0
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    $24.95
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  • HK VP9 Thread Protector - 13.5x1 LH - Titanium New - HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH - HKP-19724
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    HK VP9 Thread Protector - 13.5x1 LH - Titanium

    HKP HK Parts

    $29.95
    HKP 9mm Titanium Thread Protector - Threaded 13.5x1 LH   This billet-machined titanium thread protector with a DLC finish fits all 13.5x1 LH-threaded barrels. Its unique design covers and protects your barrel's crown. The included O-ring ensures a...
    HKP-19724
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - H&K HK USP .45 ACP Expert Barrel - Black - HKP-01525 HK USP Expert Barrel - .45 ACP
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    HK USP Expert Barrel - .45 ACP

    H&K Heckler & Koch

    $399.95
    HK USP .45 ACP Expert Barrel This barrel will fit all HK USP .45, full-size models. If you want a longer barrel for your HK USP 45 or USP 45 Tactical, this is a great option for an extended length or use with an HK Comp Weight.
    HKP-01525
    $399.95
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    Qty in Cart: 0
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    $399.95
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  • New - MM HK UMP 9mm Conversion Kit - HKP-02286 HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine
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    HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine

    Michaels Machines

    $1,293.95
    MM HK UMP, USC Conversion Kit - 9mm This 9mm conversion kit is designed for USC-to-UMP builds and allows existing .45 ACP conversions to be changed over to 9mm with a simple, drop-in parts swap. All components install in minutes and are built to...
    HKP-02286
    $1,293.95
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    Qty in Cart: 0
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    $1,293.95
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  • New - RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 RH - HKP-20606 HK Mark 23 Tactical Barrel - .45 ACP - 5.87" - Threaded 16x1 RH
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    HK Mark 23 Tactical Barrel - .45 ACP - 5.87" - Threaded 16x1 RH

    RCM

    $269.95
    RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 RH US made HK Mark 23 tactical threaded barrel for use with a wide variety of flash hiders & sound suppressors.  Specifications: Made In The USA Double Stress Relieved Nitrided Finish To...
    HKP-20606
    $269.95
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    $269.95
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  • Out Of Stock
    New - H&K MR762/417/G28 Gas Block - HKP-17259 HK417, MR762, G28 Gas Block

    HK417, MR762, G28 Gas Block

    H&K Heckler & Koch

    $199.95
    H&K MR762/417/G28 Gas Block New German HK manufacture for the HK MR762 & HK417, G28 firearm. This unit comes without the sling loops installed. Compatible With: HK MR762 HK 417 HK G28
    HKP-17259
    $199.95
    Out Of Stock
    Qty in Cart: 0
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    $199.95
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  • New - RCM HK MP5N 9mm Barrel - Threaded 1/2x32 - 3-Lug - HKP-16967 HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x32 with 3 Lug
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    HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x32 with 3 Lug

    RCM

    $179.95
    RCM HK MP5N 9mm Barrel - Threaded 1/2x32 - 3-Lug This MP5N barrel delivers exceptional value, crafted from premium Cold Hammer Forged Steel and treated with a durable nitride process. It easily accommodates suppressors and other muzzle attachments. Brand...
    HKP-16967
    $179.95
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    $179.95
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  • New - HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH - HKP-21829 HK MP5, MP5K Thread Protector - 1/2x32 - RH
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    HK MP5, MP5K Thread Protector - 1/2x32 - RH

    HKP HK Parts

    $14.95
    HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH This MP5/K thread protector is designed to safeguard your barrel threads from damage when a muzzle device is not in use. Made in the USA from high-quality steel, it offers durability and a precise fit...
    HKP-21829
    $14.95
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    Qty in Cart: 0
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    $14.95
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  • Out Of Stock
    On Sale
    New - H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston - BLEMISHED - HKP-00047-B

    HK416, MR556, HK417, MR762, G36, SL8 Gas Piston - Complete - BLEMISHED

    H&K Heckler & Koch

    Now: $27.95
    Was: $50.95
    H&K HK MR556/MR762/416/417/G36/SL8 Complete Gas Piston - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. New HK German gas piston assembly with...
    HKP-00047-B
    Now: $27.95
    Was: $50.95
    Out Of Stock
    Qty in Cart: 0
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    Now: $27.95
    Was: $50.95
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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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  • New - RCM HK P30 .40 S&W Tactical Barrel - Threaded 14.5x1 LH - HKP-16221 HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
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    HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH

    RCM

    $225.00
    RCM HK P30 .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 P30...
    HKP-16221
    $225.00
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    Qty in Cart: 0
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    $225.00
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