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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On Sale
HK Mark 23 Barrel - .45 ACP - 6.02" - Non-Threaded
RCM
Now: $224.95Was: $250.00RCM HK Mark 23 .45 ACP Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished inside and out with an ultra-desirable nitride coating. This is the finest replacement barrel available for the HK Mark...HKP-16561Now: $224.95Was: $250.00 -
Out Of StockOn Sale
HK USP, USP Tactical Barrel - 9mm - 4.86" - Threaded 13.5x1 LH
RCM
Now: $180.00Was: $225.00RCM HK USP 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is finely and painstakingly made from ordnance grade steel, heat treated and finished inside and out in the ultra-desirable nitride finish. This is the finest replacement barrel available...HKP-16706Now: $180.00Was: $225.00 -
Out Of Stock
HK Mark 23 Barrel - .45 ACP - 5.38" - Non-Threaded
RCM
$250.00RCM HK Mark 23 .45 ACP Flush Fit Barrel - Non-Threaded This custom-made barrel is expertly crafted from ordnance-grade steel, heat-treated, and finished with a highly desirable nitride coating. Designed specifically for the HK Mark 23 .45 pistol, it...HKP-17622$250.00 -
HK417, MR762 Gas Block Pin
H&K Heckler & Koch
$7.95H&K HK MR762/417 Gas Block Pin This is the retaining pin for an HK MR762 gas block. A must have as HK says you have to use new pins once they are removed. Compatible With: HK MR762 HK 417HKP-16596$7.95 -
Out Of Stock
HK USP Tactical Barrel - .40 S&W - 4.86" - Threaded 9/16x24
RCM
$225.00RCM HK USP .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 best replacement barrel for the HK USP full-size .40 S&W...HKP-17744$225.00 -
Out Of Stock
HK USPC Tactical Barrel - .40 S&W - 4.28" - Threaded 9/16x24 RH
RCM
$225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...HKP-16707$225.00 -
On Sale
HK91, G3 Barrel Flute Cleaning Brush - 7.62x51 / .308
HKP HK Parts
Now: $15.95Was: $19.95HKP Cleaning Brush for HK91 and HK G3 Barrel Flutes 7.62x51 / .308 This brush is a must-have for cleaning the chamber flutes on a HK G3 or HK91-style firearm. If the flutes become clogged or dirty, the firearm will cease to extract properly and render...HKP-22317Now: $15.95Was: $19.95 -
On Sale
HK UMP Barrel - .45 ACP - 3 Lug Adapter
OMEGA
Now: $344.95Was: $449.95Omega HK UMP .45 ACP Barrel - 3-Lug This is the newest barrel for the UMP to hit the market that will come with a removable 3-lug adapter. The 3-lug adapter will be the same spec as the MP5 3 lug, making your UMP more versatile when it comes down to...HKP-21070Now: $344.95Was: $449.95 -
On Sale
HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 9/16x24 RH
RCM
Now: $201.95Was: $225.00RCM HK P30 .40 S&W Tactical Barrel - Threaded 9/16x24 RH 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 .40...HKP-16714Now: $201.95Was: $225.00 -
Out Of Stock
HK USPC Tactical Barrel - .40 S&W - 4.28" - Threaded 14.5x1 LH
RCM
$225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...HKP-16708$225.00 -
Out Of Stock
HK CC9 Barrel - Threaded 1/2x28
RCM
$223.95RCM HK CC9 Barrel - Threaded 1/2x28 This high-quality threaded barrel is precision-engineered to fit the Heckler & Koch CC9, providing enhanced accuracy and reliable function for both competitive shooting and everyday use. 1/2x28 right-hand...HKP-22619$223.95 -
On Sale
HK P2000 Conversion Barrel - .40 S&W to .357 SIG
RCM
Now: $203.95Was: $239.95RCM HK P2000 .40 to .357 Conversion Barrel This is a great spare or replacement barrel to have on hand. Also, a popular barrel to convert the P2000 .40 to .357. Compatible With: HK P2000 .40 S&WHKP-20580Now: $203.95Was: $239.95