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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HK416, MR556 Piston Rod - Complete Assembly
H&K Heckler & Koch
$109.95Heckler and Koch Complete Piston Rod Assembly for your HK416, HK MR556, HK417, and HK MR762 A great replacement or spare to keep on hand. Compatible With: HK416, MR556HKP-00042$109.95 -
Out Of Stock
HK VP9 Tactical Barrel - 9mm - 4.45" - Threaded 1/2x28
RCM
$225.00RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded...HKP-16849$225.00 -
HK USP Tactical Barrel - .45 ACP - 5.07" - Threaded 16x1 LH
H&K Heckler & Koch
$310.99H&K USP .45 ACP Tactical Barrel - Threaded 16x1 LH HK USP .45 ACP German factory threaded barrel for use with flash hiders or sound suppressors. This is a drop in barrel for any of the HK USP .45 ACP...HKP-00319$310.99 -
Barrel Bore Cleaning Brush - 9mm, .357 SIG
USA
$1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have for cleaning the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread)...HKP-02760$1.95 -
HK SP5, SP5K Thread Protector - 9mm - 1/2x28
HKP HK Parts
$19.95HKP HK SP5, SP5K 9mm Thread Protector - Threaded 1/2x28 Our thread protector is compatible with all factory-spec SP5 barrels and is a perfect replacement part. Specifications: Made in the USAHKP-21375$19.95 -
HK MP5, HK90 Series Barrel Pin Jig - Aluminum
HKP HK Parts
$119.95HKP HK Parts HK MP5, 90 Series Aluminum Barrel Pin Jig This jig is designed for the installation and removal of barrel pins on all HK 90 series rifles and pistols. It’s the companion tool for...HKP-08928$119.95 -
Out Of Stock
HK USP Tactical Barrel - .45 ACP - 5.09" - Threaded .578x28 RH
RCM
$250.00RCM HK USP .45 ACP Tactical Barrel - Threaded .578x28 RH HK USP .45 & USP .45 Tactical threaded barrel compatible with various flash hiders and sound suppressors. Unlike the factory USP .45 Tactical...HKP-17447$250.00 -
HK MP5SD Barrel Brush Cleaning Tool
HiTec Arms
$119.95HiTec Arms barrel tool for cleaning your HK MP5SD Barrel cleaning brush tool for integrally suppressed ported barrels. This is a good tool to have on hand for any MP5SD owner to clean carbon build up...HKP-21347-M$119.95 -
HK Mark 23 Thread Protector - 16x1 RH
H&K Heckler & Koch
$40.99New factory HK Mark 23 SOCOM thread protector This is the only thread protector that HK offers that will fit the HK Mark 23 Pistol. This is a hard-to-find item and a must-have for all MK23 Owners...HKP-00293$40.99 -
Out Of Stock
HK VP9 Barrel - 9mm - Threaded 1/2x28
SilencerCo
$189.95SilencerCo HK VP9 9mm Barrel - Threaded 1/2x28 High-quality components and precise manufacturing make SilencerCo parts ideal for maintaining and upgrading firearms. The durability, reliability and...HKP-19434$189.95 -
Out Of Stock
HK MP5SD Sealing Ring
H&K Heckler & Koch
$29.95Heckler and Koch Sealing Ring for HK MP5SD Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions...HKP-00142$29.95 -
HK VP9SK Tactical Barrel - 9mm - Threaded 1/2x28
RCM
$225.00RCM HK VP9SK 9mm Tactical Barrel - Threaded 1/2x28HKP-19258$225.00