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
HK MP5 to MP5SD Kit - Front End Conversion
DTAC Dakota Tactical
$1,299.95Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further. Our kit provides all necessary components (aside from suppressor) to do so. With a DTAC Cage and SD guard...$1,299.95 -
HK UMP Caliber Conversion to 9mm Kit - 7.87" Barrel - 30 Round Magazine
Michaels Machines
$1,293.95MM 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...$1,293.95 -
Out Of Stock
HK 23E, HK13 Barrel - Heavy - 5.56 / .223
Michaels Machines
$1,437.95Michael's Machines 5.56 NATO / .223 Remington Barrel for HK 23E Heavy Rifle Brand new US-made custom rifle barrel. A must-have spare for your HK rifle or MG. Factory Barrels are hard to find and expensive, but these barrels are of great value and price...$1,437.95 -
Out Of Stock
HK416, MR556 Upper 8" 416C Style Conversion Kit
HKP HK Parts
$1,285.95Upper Conversion Kit for HK416 and MR556 8 inch barrel - HK 416C Style Finally an answer for all of those that have been wanting as close to the original, rare unicorn of a find HK 416C 8" barrel conversion kit for 416 or MR556. Each conversion kit...$1,285.95 -
HK21E, HK11A1, HK11E Barrel - 7.62 / .308 - 17.7" - Threaded 15x1
Michaels Machines
$1,368.95MM HK21E, HK11A1, HK11E Barrel - 17.7" Michael's Machines HK21E barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come stripped, requiring a flash hider or muzzle device and barrel handle...$1,368.95 -
HK21 Barrel - 7.62 / .308 - 17.7" - Threaded 15X1
Michaels Machines
$1,389.95MM HK21 Barrel - 17.7" - CHF Michael's Machines HK21 barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Barrels come stripped, requiring a flash hider/muzzle device and barrel handle assembly (all...$1,389.95 -
HK MP5 Factory Barrel - .40 S&W - 3 Lug - Threaded
H&K Heckler & Koch
$1,495.00H&K MP5 .40 S&W Factory Barrel - Threaded - 3-Lug New MP5 .40 S&W barrel. Factory-installed sight tower with sight/sling eyelets and factory finish. Specifications: Threaded 3-Lug Compatible With: HK MP5 .40 S&W Rare & hard to find...$1,495.00