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
HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x32 with 3 Lug
RCM
Now: $161.95Was: $179.95RCM HK MP5N 9mm Barrel - Threaded 1/2x32 - 3-Lug This MP5N barrel delivers exceptional value, crafted from premium Cold Hammer Forged Steel and treated with a durable nitride process. It easily accommodates suppressors and other muzzle attachments. Brand...Now: $161.95Was: $179.95 -
On Sale
HK MP5, MP5K Thread Protector - 1/2x32 - RH
HKP HK Parts
Now: $11.96Was: $14.95HKP HK MP5/K Thread Protector - Threaded 1/2x32 RH This MP5/K thread protector is designed to safeguard your barrel threads from damage when a muzzle device is not in use. Made in the USA from high-quality steel, it offers durability and a precise fit...Now: $11.96Was: $14.95 -
On Sale
HK VP40 Barrel - .40 S&W - 4.09"
H&K Heckler & Koch
Now: $206.95Was: $229.95Brand New HK German Standard Length VP40 Barrel. Cold Hammer Forged & Make in Germany. Compatible With: HK VP40 VP40 Tactical ModelsNow: $206.95Was: $229.95 -
On Sale
HK Mark 23 Thread Protector - Tactical Texas Style - Threaded 16x1 - RH
H&K Heckler & Koch
Now: $22.45Was: $24.95H&K Mark 23 ACP Tactical Texas Style Thread Protector - Threaded 16x1 RH The Texas Style thread protector features raised knurling, distinguishing it from the standard HK style, which does not have this raised texture. This design ensures a secure...Now: $22.45Was: $24.95 -
Out Of StockOn Sale
HK P9S Barrel - 9mm
H&K Heckler & Koch
Now: $809.96Was: $899.95H&K HK P9S 9mm Barrel No longer made or available. Last call on this rare and no longer made offering. We have the last of these barrels to ever be offered.Now: $809.96Was: $899.95 -
On Sale
HK USP Compact Barrel - .45 ACP - 3.80"
H&K Heckler & Koch
Now: $314.95Was: $349.95Drop in barrel for HK USP45 Compact HK USPC .45 ACP Barrel Features: Factory barrel for HK USP45 Compact 3.80" (95mm) Compatible with: HKUSP CompactNow: $314.95Was: $349.95 -
Out Of StockOn Sale
HK416 Vented Gas Block for 14.5" Barrels
H&K Heckler & Koch
Now: $224.95Was: $249.95HK German 416, MR556 14.5" & 16.5" & 20" Gas Block Complete This is the factory-correct gas block with the ambi sling attachment points, as well as the bayonet lug milled into the gas block. Perfect for those who want to swap the MR556 gas block...Now: $224.95Was: $249.95 -
Out Of StockOn Sale
Now: $125.95Was: $139.95 -
Out Of StockOn Sale
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 15x1 - Match
PTR
Now: $179.95Was: $199.95PTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1 Each barrel is current PTR production and has the proper number and depth of flutes for optimum functionality. This barrel is a medium contour barrel that is larger in diameter than a...Now: $179.95Was: $199.95 -
On Sale
HK51, HK53 Barrel Extension - Fluted - Urbach Style - Threaded 15x1 RH
HKP HK Parts
Now: $82.95Was: $149.95HKP HK 53/51 (5.56/.223) Urbach Style 8 inch Fluted Barrel Extension - Threaded 15x1 RH This 8" long fluted barrel extension is designed to extend the overall length of a 51 or 53 barrel to meet the 16" legal requirement. Ideal for those using an 8"...Now: $82.95Was: $149.95 -
On Sale
HK33K Barrel - .300 BLK - 12.5" - Threaded 5/8x24
RCM
Now: $211.45Was: $234.95RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24 Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8x24 thread pitch. It is also suitable for most .300 BLK suppressors and applications...Now: $211.45Was: $234.95 -
On Sale
HK MP5 Barrel Extension / Faux Suppressor - 10mm / .40 S&W - 3 Lug
HKP HK Parts
Now: $55.96Was: $69.95HKP MP5 40/10 Fake Suppressor/Barrel Extension - 3-Lug This fake suppressor is used as a barrel extension to bring your H&K MP5 40/10 8.85" barrel to legal conforming standards of 16" so you do not have to register the weapon as an SBR. This fits...Now: $55.96Was: $69.95