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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HK MR762 A4 Gas Vent Screw - 2.5mm
H&K Heckler & Koch
$29.95H&K MR762 A4 2.5mm Gas Vent Screw German 2.5mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4$29.95 -
HK MR762 A4 Gas Vent Screw - 2.2mm
H&K Heckler & Koch
$29.95H&K MR762 A4 2.2mm Gas Vent Screw German 2.2mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4$29.95 -
HK MR762 A4 Gas Vent Screw - 1.6mm
H&K Heckler & Koch
$29.95H&K MR762 A4 1.6mm Gas Vent Screw German 1.6mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4$29.95 -
HK MR762 A4 Gas Vent Screw - 1.9mm
H&K Heckler & Koch
$29.95H&K MR762 A4 1.9mm Gas Vent Screw German 1.9mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4$29.95 -
HK21 Sling Mount for Barrel Shroud
H&K Heckler & Koch
$38.95Heckler and Koch Barrel Shroud Sling Mount for your HK21 Features: German-made spring steel sling clip Designed for the HK21 and HK21-A1 barrel shroud Correct HK production part for a secure sling attachment Compatible With: HK21, HK21-A1 HK21E,...$38.95 -
HK P30 Conversion Barrel - .40 S&W to 9mm - Threaded 13.5x1
RCM
$214.95RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your P30 to shoot the popular 9mm cartridge. Comes with a thread protector. Each barrel is made from ordnance-grade steel,...$214.95 -
On Sale
HK 940 Barrel - .30-06
H&K Heckler & Koch
Now: $412.46Was: $948.95Heckler and Koch HK 940 .30-06 Rifle Barrel Genuine new HK 940 .30-06 barrel featuring date code and Ulm antler proof. These barrels are unfired and fully nitrided for a lifetime of use. These barrels are very rare and no longer in production...Now: $412.46Was: $948.95 -
HK MP5K Barrel - .40 S&W - Threaded 14x.75 with 3 Lug
RCM
$279.95RCM HK MP5K .40 S&W Barrel - Threaded 14x.75 - 3-Lug This is the ultimate US-made barrel for any new or conversion build for the MP5K .40 cal. Crafted from top-grade CHF 41v40 material, it’s machined to impeccable standards. With the correct...$279.95 -
Out Of Stock
HK G36E Barrel - 5.56 / .223 - 19"
USA
$499.95Barrel - USA - HK G36E Brand new HK G36E barrel. Specifications: Barrel length 19"$499.95 -
Out Of Stock
HK VP40 Tactical Barrel - .40 S&W - 4.45" - Threaded 9/16x24
RCM
$212.50RCM HK VP40 .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 finest threaded barrel for the HK VP40 .40 S&W pistol,...$212.50 -
HK USC 45 Barrel - .45 ACP - Used
H&K Heckler & Koch
$695.95Barrel - HK USC 45 in Exc + shape HK German factory USC 45 barrel in excellent + condition. Rare and hard to find.$695.95 -
HK MP5 Barrel - .40 S&W - Threaded with 3 Lug - Factory
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