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
HK53K Barrel - 5.56 / .223 - 5.3" - Threaded 15x1 RH
RCM
Now: $148.45Was: $164.95RCM HK53K (5.56/.223) Barrel - Threaded 15x1 RH US made 922r compliant HK53K barrel. Specifications: Made In The USA Threaded 15x1 RH Counts As 1 US Made 922r Compliant Part Cold Hammer Forged Steel (CHF) Built To HK Germany...Now: $148.45Was: $164.95 -
HK MR762 A4 Barrel - 16.5" - Proofed
H&K Heckler & Koch
$459.95HK MR762 A4 Barrel - 16.5" - Proofed Factory proofed HK MR762 A4 16.5" barrel with standard 5/8x24 RH thread pitch. Compatible With: HK MR762 A4$459.95 -
On Sale
HK21E, HK11A1, HK11E Barrel - 7.62 / .308 - 17.7" - Threaded 15x1
Michaels Machines
Now: $1,232.06Was: $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...Now: $1,232.06Was: $1,368.95 -
On Sale
HK21 Barrel - 7.62 / .308 - 17.7" - Threaded 15X1
Michaels Machines
Now: $1,250.96Was: $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...Now: $1,250.96Was: $1,389.95 -
On Sale
HK MR556 A4 Gas Block- Incomplete
H&K Heckler & Koch
Now: $168.30Was: $187.00H&K HK MR556 A4 Gas Block - Incomplete The H&K HK MR556 A4 Gas Block is a high-quality, precision-machined component designed for the MR556 A4 rifle. It houses the gas system that directs gas from the barrel to cycle the action. Compatible...Now: $168.30Was: $187.00 -
On Sale
HK MP5 Barrel - 10mm / .40 S&W - Bulged - BLEMISHED
H&K Heckler & Koch
Now: $57.95Was: $579.95Heckler and Koch MP5 40/10 German Bulged Barrel - BLEMISHED MP5 40/10 BULGED barrel. Can be cut down and repurposed for a custom barrel length application. Compatible With: HK MP5 10mm / .40 S&W THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN,...Now: $57.95Was: $579.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 1.3mm
H&K Heckler & Koch
Now: $29.66Was: $32.95H&K MR762 A4 1.3mm Gas Vent Screw The 1.3mm gas vent screw is the standard size installed at the factory on the MR762 A4. Compatible With: MR762 A4Now: $29.66Was: $32.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 2.5mm
H&K Heckler & Koch
Now: $26.95Was: $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 A4Now: $26.95Was: $29.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 2.2mm
H&K Heckler & Koch
Now: $26.95Was: $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 A4Now: $26.95Was: $29.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 1.6mm
H&K Heckler & Koch
Now: $26.95Was: $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 A4Now: $26.95Was: $29.95 -
On Sale
HK MR762 A4 Gas Vent Screw - 2.3mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR762 A4 2.3mm Gas Vent Screw German 2.3mm 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 - 1.9mm
H&K Heckler & Koch
Now: $26.95Was: $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 A4Now: $26.95Was: $29.95