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 MR556 Barrel 5.56 / .223 - 16.5" - Slimline
H&K Heckler & Koch
$489.95H&K MR556 Slimline Barrel, 16.5" Genuine HK MR556 Slimline 16.5" Barrel. Non-chrome-lined for match accuracy. Compatible With: HK MR556HKP-21322$489.95 -
HK VP40 Barrel - .40 S&W - 4.09"
H&K Heckler & Koch
$229.95Brand New HK German Standard Length VP40 Barrel. Cold Hammer Forged & Make in Germany. Compatible With: HK VP40 VP40 Tactical ModelsHKP-18722$229.95 -
Out Of Stock
HK P9S Barrel - 9mm
H&K Heckler & Koch
$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.HKP-17655$899.95 -
HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 14.5x1 LH
RCM
$225.00RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 SK tactical 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...HKP-16943$225.00 -
Out Of Stock
HK416 Gas Block - Vented
H&K Heckler & Koch
$249.95Heckler and Koch German HK416 and HK 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...HKP-01544$249.95 -
Out Of Stock
$139.95 -
Out Of Stock
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 15x1 - Match
PTR
$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...HKP-00873$199.95 -
HK91, G3 Caliber Conversion Kit - .22LR - USED
H&K Heckler & Koch
$1,497.95Heckler and Koch HK G3, HK91 .22LR Caliber Conversion Kit - USED SOLD AS IS. NO RETURNS. Convert any HK91 or HK G3 rifle to cycle .22LR ammunition with this genuine HK caliber conversion kit. This kit is intended for marksmanship training and...HKP-01147$1,497.95 -
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"...HKP-17638Now: $82.95Was: $149.95 -
HK33, HK93, PSG1 Match Barrel - 5.56 / .223 - 26"- MSG90 Style
HKP HK Parts
$499.95HK PSG-1, MSG-90 Style 5.56, .223 HK 93, HK 33 Match Barrel: This is the finest PSG1 barrel you can get for your custom HK93, SG1, PSG1 style build in 5.56. Built on trusted tooling to HK specifications. Perfect for that custom build or the for the...HKP-17008$499.95 -
HK MR762 A4 Gas Block - Complete
H&K Heckler & Koch
$237.95H&K HK MR556 A4 Gas Block - Complete Factory HK MR762 A4 adjustable gas block ideal for switching between suppressed and unsuppressed firing. Compatible With: HK MR762 A4 Features: Genuine H&K factory part Complete gas block...HKP-22422$237.95 -
HK P30L Barrel - 9mm - 4.45" - Non-Threaded
RCM
$206.25RCM HK P30L 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK P30L 9mm pistol, ideal as a spare or for...HKP-16686$206.25