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
HK416 A5, MR556 A4 Gas Vent Screw - 1.2mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR556 A4/416 A5 1.2mm Gas Vent Screw German 1.2mm gas vent screw for MR556 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $26.95Was: $29.95 -
On Sale
HK416 A5, MR556 A4 Gas Vent Screw - 1.1mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR556 A4/416 A5 1.1mm Gas Vent Screw German 1.1mm gas vent screw for MR556 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $26.95Was: $29.95 -
On Sale
HK416 A5, MR556 A4 Gas Vent Screw - 1.0mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR556 A4/416 A5 1.0mm Gas Vent Screw German 1.0mm gas vent screw for MR556 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $26.95Was: $29.95 -
On Sale
HK VP40 , USP40T Thread Protector
H&K Heckler & Koch
Now: $27.86Was: $30.95H&K USP40T/VP40T Thread Protector The HK thread protector is a must have accessory when a sound suppressor or muzzle attachment is not mounted on your tactical pistol. The thread protector will prevent damages to the threads and crown. Compatible...Now: $27.86Was: $30.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 1.5mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR762 A4 1.5mm Gas Vent Screw German 1.5mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4Now: $26.95Was: $29.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 1.7mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR762 A4 1.7mm Gas Vent Screw German 1.7mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4Now: $26.95Was: $29.95 -
On Sale
HK MP5K Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5K with the RCM HK MP5K 10mm Barrel. This barrel is precision engineered for superior accuracy and durability, making it an essential upgrade for firearm enthusiasts...Now: $251.95Was: $279.95 -
On Sale
HK MP5 Cap - Thread Protector - 10mm / .40 S&W - Threaded 14x.75 - USED
H&K Heckler & Koch
Now: $26.21Was: $49.95H&K Heckler & Koch's MP5 40/10 Thread Protector Cap - Threaded 14x.75 - USED ONLY 4 UNITS AVAILABLE - AS PICTURED Priced for ONE cap - Condition Varies by Unit - Each unit Sold INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL...Now: $26.21Was: $49.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 2.4mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR762 A4 2.4mm Gas Vent Screw German 2.4mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4Now: $26.95Was: $29.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 2.1mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR762 A4 2.1mm Gas Vent Screw German 2.1mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4Now: $26.95Was: $29.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 2.0mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR762 A4 2.0mm Gas Vent Screw German 2.0mm gas vent screw for MR762 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: MR762 A4Now: $26.95Was: $29.95 -
On Sale
HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
RCM
Now: $251.95Was: $279.95RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...Now: $251.95Was: $279.95