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 HK SL8 Gas Block - HKP-16359 HK SL8 Gas Block
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    HK SL8 Gas Block

    H&K Heckler & Koch

    Now: $125.95
    Was: $139.95
    H&K HK SL8 Gas Block
    Now: $125.95
    Was: $139.95
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    Now: $125.95
    Was: $139.95
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  • Out Of Stock
    On Sale
    Used - H&K UMP (.40 S&W) Barrel - Used - HKP-00600

    HK UMP Barrel - .40 S&W - Used

    H&K Heckler & Koch

    Now: $299.95
    Was: $499.95
    Heckler and Koch Ump Barrel made in Germany  These are police department trade-in barrels in good shape and perfectly usable.
    Now: $299.95
    Was: $499.95
    Out Of Stock
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    Now: $299.95
    Was: $499.95
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  • On Sale
    New - H&K MR556 A4/416 A5 Gas Block Spring - HKP-22060 HK MR556 A4/416 A5 Gas Block Spring
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    HK MR556 A4/416 A5 Gas Block Spring

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    H&K MR556 A4/416 A5 Gas Block Spring German-made gas block spring for the MR556 A4 and HK416 A5. Compatible With: HK MR556 A4 HK416 A5
    Now: $17.95
    Was: $19.95
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    Now: $17.95
    Was: $19.95
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  • On Sale
    New - H&K HK P2000SK .40 S&W - Barrel - Black - HKP-01569 HK P2000SK .40 S&W - Barrel
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    HK P2000SK .40 S&W - Barrel

    H&K Heckler & Koch

    Now: $139.95
    Was: $239.95
    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
    Now: $139.95
    Was: $239.95
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    Now: $139.95
    Was: $239.95
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  • On Sale
    New - RCM HK P2000 .40 S&W Barrel - Threaded 14.5x1 LH - HKP-16942 HK P2000 Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH
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    HK P2000 Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK P2000 .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 .40 tactical barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest threaded...
    Now: $202.50
    Was: $225.00
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    Now: $202.50
    Was: $225.00
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  • On Sale
    New - RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 - HKP-17762 HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28
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    HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28

    RCM

    Now: $184.45
    Was: $204.95
    RCM MP5, HK34, HK94 Barrel - 9mm - 12.7"- Threaded 1/2x28   Each barrel is hand-selected from the finest cold hammer forged (CHF) 41V45 steel blanks, expertly profiled and chambered in the desirable 16 flute chamber profile. Finished with a...
    Now: $184.45
    Was: $204.95
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    Now: $184.45
    Was: $204.95
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  • On Sale
    New - H&K MR556 A4/416 A5 1.4mm Gas Vent Screw - HKP-22045
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    HK416 A5, MR556 A4 Gas Vent Screw - 1.4mm

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K MR556 A4/416 A5 1.4mm Gas Vent Screw German 1.4mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4
    Now: $26.95
    Was: $29.95
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    Now: $26.95
    Was: $29.95
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  • On Sale
    New - RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug - HKP-21582 HK MP5 Barrel - .40 S&W - 8.85" - Threaded 14x.75 with 3 Lug
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    HK MP5 Barrel - .40 S&W - 8.85" - Threaded 14x.75 with 3 Lug

    RCM

    Now: $251.95
    Was: $279.95
    RCM HK MP5 .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5 .40 cal. Crafted from top-grade CHF 41v40 material, it’s machined to impeccable standards. With the correct...
    Now: $251.95
    Was: $279.95
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    Now: $251.95
    Was: $279.95
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  • Out Of Stock
    On Sale
    New - RCM HK MP5K & MP5KN 9mm Barrel – Threaded 1/2x32 – 3–Lug - HKP-20806 HK MP5KN, SP89, SP5K, Barrel - 9mm - 5.85" - Threaded 1/2x32 with 3 Lug

    HK MP5KN, SP89, SP5K, Barrel - 9mm - 5.85" - Threaded 1/2x32 with 3 Lug

    RCM

    Now: $269.95
    Was: $299.95
    RCM HK MP5K and HK MP5KN 9mm Barrel – Threaded 1/2x32 – 3–Lug Machined from a cold hammer forged blank, this MP5KN (PDW) barrel meets the latest specifications with factory-correct, updated 16 flutes in the chamber. Featuring a...
    Now: $269.95
    Was: $299.95
    Out Of Stock
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    Now: $269.95
    Was: $299.95
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    Out Of Stock
  • On Sale
    New - H&K HK P30L .40 Cal Barrel - Black - HKP-02411 HK P30L Barrel - .40 S&W
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    HK P30L Barrel - .40 S&W

    H&K Heckler & Koch

    Now: $211.45
    Was: $234.95
    Heckler and Koch Barrel for P30L .40 cal pistol  Factory German P30L .40 Cal 4.45" barrel perfect for replacement or for that project barrel. Features: 4.45 inches in length Cold-hammer forged six sided polygonal 9.84 inches twist...
    Now: $211.45
    Was: $234.95
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    Now: $211.45
    Was: $234.95
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  • On Sale
    New - RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH - HKP-16943 HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 14.5x1 LH
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    HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 14.5x1 LH

    RCM

    Now: $202.50
    Was: $225.00
    RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 SK tactical 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...
    Now: $202.50
    Was: $225.00
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    Qty in Cart: 0
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    Now: $202.50
    Was: $225.00
    Subtotal:
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  • New - PTR-32 (7.62x39) Barrel - 16 inch - HKP-02200 PTR32 Barrel - 7.62x39 - 16" - Threaded 5/8"x24 - KFR
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    PTR32 Barrel - 7.62x39 - 16" - Threaded 5/8"x24 - KFR

    PTR

    $249.95
    PTR-32 (7.62x39) KFR Barrel - 16 Inch 16.35" Stress relieved, tapered contour, threaded 5/8" x 24, twist 1 in 10" RH Specifications: 16.25" overall length Chambered in 7.62x39mm Fully Fluted with 12 flutes Match grade Please Note: PTR barrels...
    $249.95
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    $249.95
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