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 P30 Conversion Barrel - .40 S&W to .357 SIG - Non-Threaded
RCM
$237.50RCM HK P30 .40 Cal S&W To .357 Sig Conversion Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the best barrel for the HK P30 .40 S&W. This ...$237.50 -
HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 9/16x24 RH
RCM
$225.00RCM HK P2000SK .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each P2000 SK tactical barrel is crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the...$225.00 -
Out Of Stock
HK USP Compact Barrel - 9mm - 3.58"
H&K Heckler & Koch
$234.95H&K USPC 9mm Barrel Compatible With HK USPC 9mm$234.95 -
Out Of Stock
HK VP9 Match Barrel - 9mm - 6.1" - Threaded 13.5x1 LH
RCM
$262.50RCM HK VP9 Match 9mm Barrel - Threaded 13.5x1 LH RCM threaded match barrel for the HK VP9 Match. Machined from fully heat-treated 4140 ordnance-grade steel and finished inside and out with a nitrided surface for durability and corrosion resistance. This...$262.50 -
HK VP9SK Barrel - 9mm - 3.39"
H&K Heckler & Koch
$234.95H&K HK VP9SK Standard Barrel - Black Brand new HK German Standard Length VP9SK Barrel. Marked HK 9mmx19 Brand new cold hammer forged & made in Germany. Compatible With: HK VP9SK models$234.95 -
HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1
RCM
$234.95RCM HK 33/93 (5.56/.223) Barrel - Threaded 15x1 New Cold Hammer Forged Steel HK33/93 16.1" barrel, nitrided and US-manufactured. These barrels are among the finest available and come highly recommended by HKParts. Specifications: Made In The...$234.95 -
HK P30 Conversion Barrel - .40 S&W to 9mm - Threaded - 1/2x28
RCM
$214.95RCM HK P30 .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your P30 to shoot the popular 9mm cartridge. The conversion barrel features a standard 1/2x28 thread pitch and includes a...$214.95 -
HK USP Conversion Barrel - .40 S&W to 9mm - Threaded - 13.5x1
RCM
$214.95RCM HK USP .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your USP to shoot the ubiquotous 9mm cartridge.Includes a thread protector. Each barrel is made from ordnance-grade steel,...$214.95 -
Out Of Stock
HK VP9 Barrel - 9mm
H&K Heckler & Koch
$0.00H&K Barrel VP9 Brand New HK German Standard Length VP9 Barrel. Marked HK 9mmx19. Brand new cold hammer forged & made in Germany. Compatible With: HK VP9 (Optics Ready and non-OR) HK VP9 Tactical HK VP9K HK VP9X NOT compatible with VP9F, VP9L,...$0.00 -
HK416 A5, MR556 A4 Gas Vent Screw - 2.0mm
H&K Heckler & Koch
$29.95H&K MR556 A4/416 A5 2.0mm Gas Vent Screw German 2.0mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5$29.95 -
HK416 A4, MR556 A5 Barrel Nut
H&K Heckler & Koch
$60.95H&K HK MR556 A4/HK 416 A5 Barrel Nut This precision-machined steel barrel nut is designed specifically for H&K’s MR556 A4 and HK416 A5 rifles. It secures the barrel and supports the proprietary HK free-floating handguard system, offering...$60.95 -
Out Of Stock
HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...$279.95