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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HK416, MR556 Barrel - 5.56 / .223 - 10.4" - Threaded 1/2x28
HKP HK Parts
$369.95MR556 & HK416 Barrel - 10.4"- US Made - Threaded 1/2x28 Finally an answer for all of those that have been wanting a 10.4" 416 or MR556 barrel option for your MR556, CR556 & HK 416's. Each barrel is as close as you can get for those that want a HK...$369.95 -
On Sale
HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug
B&T Brugger & Thomet
Now: $404.95Was: $449.95B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is manufactured to exact HK factory specifications exclusively for MP5 models. B&T, a trusted partner of H&K...Now: $404.95Was: $449.95 -
On Sale
HK P30 Conversion Barrel - .40 S&W to 9mm - Threaded - 1/2x28
RCM
Now: $193.45Was: $214.95RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your P30 to shoot the popular 9mm cartridge. The conversion barrel features a standard 1/2x28 thread pitch and includes a...Now: $193.45Was: $214.95 -
On Sale
HK P30L Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK P30L .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 P30L ...Now: $202.50Was: $225.00 -
On Sale
HK P2000 Tactical Barrel - .40 S&W - 4.28" - Threaded 9/16x24 RH
RCM
Now: $202.50Was: $225.00RCM HK P2000 .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each P2000 .40 S&W tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. It is the finest threaded replacement barrel available...Now: $202.50Was: $225.00 -
HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
HKP HK Parts
$249.95HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest standards and tolerances and...$249.95 -
On Sale
HK416 A5, MR556 A4 Gas Vent Screw - 1.8mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR556 A4/416 A5 1.8mm Gas Vent Screw German 1.8mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $26.95Was: $29.95 -
On Sale
HK P30 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK P30 9mm Tactical Barrel - Threaded 13.5x1 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 9mm pistol,...Now: $202.50Was: $225.00 -
On Sale
HK USP Expert Barrel - .40 ACP - 5.19"
H&K Heckler & Koch
Now: $269.95Was: $299.95New HK German Factory USP Expert .40 Barrel This barrel will fit a stock USP .40 full-size pistol but will extend out the front of the slide for those who want to use a Comp Weight? or need a longer barrel for the USP .40 firearm. Made in Germany with a...Now: $269.95Was: $299.95 -
Out Of StockOn Sale
HK P2000 Barrel - 9mm - 3.36"
H&K Heckler & Koch
Now: $211.45Was: $234.95New HK German HK P2000 Barrel 9mm Brand new cold hammer forged 9mm P2000 barrel. Perfect for those who want to have a spare or for caliber conversion swaps.Now: $211.45Was: $234.95 -
On Sale
HK UMP Barrel - 9mm - Threaded with 3 Lug
Michaels Machines
Now: $494.96Was: $549.95HK UMP 9mm Barrel - Threaded - 3-Lug Specifications: 3Lug Threaded Compatible With: UMP 9mmNow: $494.96Was: $549.95 -
On Sale
HK416 A5, MR556 A4 Gas Vent Screw - 1.7mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR556 A4/416 A5 1.7mm Gas Vent Screw German 1.7mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $26.95Was: $29.95