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 - RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH - HKP-20496 HK P30L Tactical Barrel - 9mm - 5.06" - Threaded 1/2x28 RH
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    HK P30L Tactical Barrel - 9mm - 5.06" - Threaded 1/2x28 RH

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK P30L 9mm Tactical Barrel - Threaded 1/2x28 RH 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 9mm pistol...
    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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  • Out Of Stock
    On Sale
    New - RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH - HKP-17449 HK45C Tactical Barrel - .45 ACP - 4.57" - Threaded .578x28 RH

    HK45C Tactical Barrel - .45 ACP - 4.57" - Threaded .578x28 RH

    RCM

    Now: $225.00
    Was: $250.00
    RCM HK 45C .45 ACP Tactical Barrel -Threaded .578x28 RH This HK45C & HK45C Tactical threaded barrel is designed for compatibility with a wide range of flash hiders and sound suppressors. Unlike the factory HK45C Tactical barrel with 16x1 LH...
    Now: $225.00
    Was: $250.00
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    Now: $225.00
    Was: $250.00
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  • On Sale
    New - H&K 9mm Thread Protector - Threaded 1/2x32 RH - HKP-00108
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    HK MP5 Thread Protector -9mm - 1/2x32 Right Hand

    H&K Heckler & Koch

    Now: $32.95
    Was: $39.95
    H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...
    Now: $32.95
    Was: $39.95
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    Now: $32.95
    Was: $39.95
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  • Out Of Stock
    On Sale
    New - H&K USP 9mm Full Size Barrel - Black - HKP-01527 HK USP Barrel - 9mm

    HK USP Barrel - 9mm

    H&K Heckler & Koch

    Now: $212.39
    Was: $235.99
    H&K USP 9mm Full-Size Barrel HK factory German HK cold hammer forged barrel. New date-coded and serialized barrel. Compatible With: USP 9mm USP 9mm Tactical
    Now: $212.39
    Was: $235.99
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    Now: $212.39
    Was: $235.99
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  • Out Of Stock
    On Sale
    New - PTR HK 91/G3/PTR-91 (7.62x51/.308) GI-K Barrel - Threaded 5/8x24 RH - HKP-16632 HK91, G3 Barrel - 7.62 / .308 - 16" - Threaded 5/8x24 RH

    HK91, G3 Barrel - 7.62 / .308 - 16" - Threaded 5/8x24 RH

    PTR

    Now: $171.89
    Was: $190.99
    PTR HK 91/G3/PTR-91 (7.62x51/.308) GI-K Barrel - Threaded 5/8x24 RH PTR/91 US made G.I. specification 16.35" barrel Threaded 5/8 x 24. You get to use standard G3, HK91 forearms and cocking tubes with the shortness of a 16" barrel. This is the perfect...
    Now: $171.89
    Was: $190.99
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    Now: $171.89
    Was: $190.99
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  • On Sale
    New - RCM HK VP40 .40 S&W To .357 SIG Conversion Barrel - Non-Threaded - HKP-17373 HK VP40 Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded
    Add to Cart

    HK VP40 Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded

    RCM

    Now: $213.75
    Was: $237.50
    RCM HK VP40 .40 S&W To .357 SIG Conversion 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 barrel for the HK VP40...
    Now: $213.75
    Was: $237.50
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    Qty in Cart: 0
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    Now: $213.75
    Was: $237.50
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  • On Sale
    New - RCM HK Mark 23 .45 ACP Flush Fit Barrel - Non-Threaded - HKP-17622 HK Mark 23 Barrel - .45 ACP - 5.38" - Non-Threaded
    Add to Cart

    HK Mark 23 Barrel - .45 ACP - 5.38" - Non-Threaded

    RCM

    Now: $225.00
    Was: $250.00
    RCM HK Mark 23 .45 ACP Flush Fit Barrel - Non-Threaded This custom-made barrel is expertly crafted from ordnance-grade steel, heat-treated, and finished with a highly desirable nitride coating. Designed specifically for the HK Mark 23 .45 pistol, it...
    Now: $225.00
    Was: $250.00
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    Now: $225.00
    Was: $250.00
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  • On Sale
    New - RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH - HKP-02391 HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH
    Add to Cart

    HK51 Barrel - 7.62 / .308 - 8.375" - Threaded 15x1 RH

    RCM

    Now: $148.45
    Was: $164.95
    RCM HK 51 (7.62x51/.308) Barrel - Threaded 15x1 RH Crafted to precise HK51 specifications, this barrel utilizes HK's renowned cold hammer forged (CHF) process. Features include a knurled sight ring, splined design for secure flash hider attachment, and a...
    Now: $148.45
    Was: $164.95
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    Qty in Cart: 0
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    Now: $148.45
    Was: $164.95
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  • Out Of Stock
    On Sale
    New - RCM HK USP .40 S&W Tactical Barrel - Threaded 9/16x24 - HKP-17744 HK USP Tactical Barrel - .40 S&W - 4.86" - Threaded 9/16x24

    HK USP Tactical Barrel - .40 S&W - 4.86" - Threaded 9/16x24

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK USP .40 S&W Tactical Barrel - Threaded 9/16x24 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the best replacement barrel for the HK USP full-size .40 S&W...
    Now: $202.50
    Was: $225.00
    Out Of Stock
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    Now: $202.50
    Was: $225.00
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  • Out Of Stock
    On Sale
    New - RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH - HKP-16708 HK USPC Tactical Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH

    HK USPC Tactical Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...
    Now: $202.50
    Was: $225.00
    Out Of Stock
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    Now: $202.50
    Was: $225.00
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    Out Of Stock
  • Out Of Stock
    On Sale
    New - RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded - HKP-17746 HK USP Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded

    HK USP Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded

    RCM

    Now: $213.75
    Was: $237.50
    RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded Each barrel is finely and painstakingly made from ordnance grade steel, heat treated, with a nitrided finish inside and out. This is the finest replacement barrel available for the HK...
    Now: $213.75
    Was: $237.50
    Out Of Stock
    Qty in Cart: 0
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    Now: $213.75
    Was: $237.50
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    Out Of Stock
  • On Sale
    New - H&K HK 45C German Barrel - HKP-01641 HK45 Compact Barrel - Non-threaded
    Add to Cart

    HK45 Compact Barrel - Non-threaded

    H&K Heckler & Koch

    Now: $211.45
    Was: $234.95
    HK45C German Barrel Genuine Heckler & Koch HK45 Compact standard length, non-threaded, factory barrel. This is a great item to have as a spare. 
    Now: $211.45
    Was: $234.95
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    Qty in Cart: 0
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    Now: $211.45
    Was: $234.95
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