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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Out Of Stock
HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1 RH
PTR
$163.95PTR HK 93/33 (5.56/.223) Barrel - Threaded 15x1 RH New US made Barrel by PTR for the HK93, HK33 style of firearms. Specifications: Made In The USA 922r Compliant Counts as 1 US Made Part Overall length 16.1" 4140 Ordnance Grade Steel Threaded 15x1...HKP-16458$163.95 -
HK33K Barrel - 300 BLK - 12.5" - Threaded 5/8x24
RCM
$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...HKP-16952$234.95 -
HK MP5 Barrel Extension and Faux Suppressor - 3 Lug - .40 S&W, 10mm
HKP HK Parts
$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...HKP-00889$69.95 -
HK MP5, HK94, HK34 Barrel - 9mm - 12.7"- Threaded 1/2x28
RCM
$204.95RCM MP5, HK34, HK94 Barrel - 9mm - 12.7"- Threaded 1/2x28 Each barrel is hand-selected from the finest cold hammer forged (CHF) 41V45 steel blanks, expertly profiled and chambered in the desirable 16 flute chamber profile. Finished with a...HKP-17762$204.95 -
HK VP40, USP40T Thread Protector - 14.5x1mm LH
H&K Heckler & Koch
$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...HKP-21994$30.95 -
On Sale
CQT FX Simunition Conversion Kit for MP5 - 9mm Blue - USED
Simunition
Now: $269.95Was: $319.95CQT FX Simunition Conversion Kit for MP5 - 9mm - Blue - USED SHADES OF BLUE MAY VARY The CQT FX Simunition conversion kit is in good condition and comes with original factory packaging. This is your chance to grab one of the last...HKP-99054Now: $269.95Was: $319.95 -
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