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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • 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
    Add to Cart

    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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $202.50
    Was: $225.00
    Subtotal:
    Add to Cart
  • On Sale
    New - H&K HK USP Elite .45 ACP Barrel - Black - HKP-01524 HK USP Elite Barrel - .45 ACP
    Add to Cart

    HK USP Elite Barrel - .45 ACP

    H&K Heckler & Koch

    Now: $449.95
    Was: $499.95
    HK USP Elite .45 ACP Barrel The finest HK USP .45 barrel available and used in the HK Elite line of firearms from hand-selected barrel blanks. Compatible With: HK USP Elite .45 ACP Also fits the USP .45 Full Size & Tactical models but extends about...
    Now: $449.95
    Was: $499.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $449.95
    Was: $499.95
    Subtotal:
    Add to Cart
  • On Sale
    New - RCM MP5 & HK34 9mm Barrel - Threaded 1/2x28 - HKP-17762 HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28
    Add to Cart

    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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $184.45
    Was: $204.95
    Subtotal:
    Add to Cart
  • On Sale
    HK Mark 23 .45 ACP Thread Protector - Threaded 16x1 RH HKP HK Parts HKP-22286 HK Mark 23 .45 ACP Thread Protector - Threaded 16x1 RH HKP HK Parts HKP-22286
    Add to Cart

    HK Mark 23 Thread Protector - 16x1 RH

    HKP HK Parts

    Now: $15.96
    Was: $19.95
    HKP .45 ACP Thread Protector - Threaded 16x1 RH for HK Mark 23 Thread protector designed for HK Mark 23 and  SOCOM barrels threaded 16x1 RH. Machined steel with a durable nitride finish and knurled exterior for secure installation and removal...
    Now: $15.96
    Was: $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $15.96
    Was: $19.95
    Subtotal:
    Add to Cart
  • On Sale
    New - H&K MR556 A4/416 A5 2.4mm Gas Vent Screw - HKP-22055
    Add to Cart

    HK416 A5, MR556 A4 Gas Vent Screw - 2.4mm

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K MR556 A4/416 A5 2.4mm Gas Vent Screw German 2.4mm 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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $26.95
    Was: $29.95
    Subtotal:
    Add to Cart
  • On Sale
    New - H&K MR556 A4/416 A5 1.4mm Gas Vent Screw - HKP-22045
    Add to Cart

    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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $26.95
    Was: $29.95
    Subtotal:
    Add to Cart
  • On Sale
    New - Nefarious Arms HK MR556/416 10.4" A5 Barrel - HKP-21873 HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A5
    Add to Cart

    HK416, MR556 Barrel - 5.56 - 10.4" - Threaded 1/2"x28 - A5

    Nefarious Arms

    Now: $535.46
    Was: $594.95
    Nefarious Arms HK MR556416 10.4" A5 Barrel An expertly crafted 10.4" barrel designed for the HK MR556 and 416 platforms. Featuring the A5 profile, this barrel balances durability and weight, making it an excellent choice for both tactical and...
    Now: $535.46
    Was: $594.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $535.46
    Was: $594.95
    Subtotal:
    Add to Cart
  • 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
    Add to Cart

    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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $251.95
    Was: $279.95
    Subtotal:
    Add to Cart
  • 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
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $269.95
    Was: $299.95
    Subtotal:
    Out Of Stock
  • On Sale
    New - H&K HK P30L .40 Cal Barrel - Black - HKP-02411 HK P30L Barrel - .40 S&W - 4.45"
    Add to Cart

    HK P30L Barrel - .40 S&W - 4.45"

    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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $211.45
    Was: $234.95
    Subtotal:
    Add to Cart
  • On Sale
    New - MM HK UMP (.40 S&W) Conversion Kit - HKP-18754 HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine
    Add to Cart

    HK UMP Caliber Conversion to .40 S&W Kit - 7.87" Barrel - 30 Round Magazine

    Michaels Machines

    Now: $899.96
    Was: $999.95
    HK UMP 40 Caliber Conversion Kit With this UMP Conversion kit, UMP .45 sub guns can be converted to .40 caliber. Machined bolt carriers are available for USC/UMP conversion sub guns. This is a simple drop-in conversion. The time required to change...
    Now: $899.96
    Was: $999.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $899.96
    Was: $999.95
    Subtotal:
    Add to Cart
  • New - PTR-32 (7.62x39) Barrel - 16 inch - HKP-02200 PTR32 Barrel - 7.62x39 - 16" - Threaded 5/8"x24 - KFR
    Add to Cart

    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
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $249.95
    Subtotal:
    Add to Cart
  • Total: items /

Adding your products to cart

View Cart Continue Shopping