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 .40 S&W Thread Protector - 14.5x1 LH - Titanium
HKP HK Parts
Now: $13.95Was: $24.95HKP HK .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium Titanium .40 S&W tactical barrel thread protector cap. Each thread protector has a built in O-ring to allow the best fit possible to prevent the thread protector from coming...Now: $13.95Was: $24.95 -
Out Of StockOn Sale
HK P30SK, P2000SK Barrel - 9mm
H&K Heckler & Koch
Now: $242.95Was: $269.95P2000SK & P30SK 9mm Barrel Brand new factory HK German barrel. Compatible With: P2000 SK P30 SKNow: $242.95Was: $269.95 -
On Sale
HK MP5, HK94, HK34 Barrel - 9mm - 16.5" - Non-Threaded
RCM
Now: $238.45Was: $264.95RCM MP5, HK34, HK94 9mm Barrel - Non-Threaded Each non-threaded barrel is hand-selected from the finest cold hammer forged steel (CHF) 41V45 barrel blanks. Expertly profiled and chambered in the desirable 16 flute chamber profile. Each barrel is finished...Now: $238.45Was: $264.95 -
On Sale
HK416 A5, MR556 A4 Gas Vent Screw - 1.9mm
H&K Heckler & Koch
Now: $29.69Was: $32.99H&K MR556 A4/416 A5 1.9mm Gas Vent Screw German 1.9mm gas vent screw for MR556 A4. Provides more venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $29.69Was: $32.99 -
On Sale
HK P30L Conversion Barrel - .40 S&W to 9mm - Threaded 1/2x28
RCM
Now: $193.45Was: $214.95RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your P30L to shoot the ubiquitous 9mm cartridge. The conversion barrel features a standard 1/2x28 thread pitch and includes...Now: $193.45Was: $214.95 -
On Sale
HK416, MR556 Barrel - 5.56 - 11" - Threaded 1/2"x28 - A3
Nefarious Arms
Now: $535.46Was: $594.95Nefarious Arms HK 416/MR556 11" A3 Barrel ***THE BARREL EXTENSION RIM IS MARKED "HAUS" DUE TO AN ERROR BY THE BARREL EXTENSION SUPPLIER. THE MARKING IS NOT VISIBLE ONCE INSTALLED. THESE BARRELS ARE GENUINE NEFARIOUS BARRELS AS NEFARIOUS WILL...Now: $535.46Was: $594.95 -
On Sale
HK Mark 23 Tactical Barrel .45 ACP - 5.87" - Threaded 16x1 LH
RCM
Now: $225.00Was: $250.00RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 LH US-made HK Mark 23 tactical threaded barrel designed for use with a wide variety of flash hiders and sound suppressors. Unlike the factory HK Mark 23 barrel with 16x1 right-hand...Now: $225.00Was: $250.00 -
On Sale
HK P2000 Barrel - 9mm - 4.28" - Threaded 13.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK P2000 13.5x1 9mm LH Threaded Barrel - Black Each P2000 tactical 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 threaded...Now: $202.50Was: $225.00 -
On Sale
HK416, MR556 Barrel Mandrel Tool
HKP HK Parts
Now: $135.96Was: $169.95HKP HK MR556/416 Barrel Mandrel Tool US Made - HK 416, MR556 Barrel Mandrel Tool.Now: $135.96Was: $169.95 -
On Sale
HK MP5K, SP89, SP5K Barrel - 9mm - 3 Lug - Threaded 1/2x32
B&T Brugger & Thomet
Now: $359.95Was: $399.95B&T HK MP5K/SP5K/SP89 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is specifically designed for the HK SP5K. Manufactured to exact HK factory specifications, it features a...Now: $359.95Was: $399.95 -
HK416 A5 Barrel - 14.5" - Threaded 1/2x28
HKP HK Parts
$588.95H&K 416 A5 Converted Barrel - Threaded 1/2x28 These barrels began as standard A3 style but have been precisely machined with an A5-style relief cut to fit HK416 & MR223 A5 uppers. Now, you can have a drop-in barrel for your 416/MR223 A5 upper at...$588.95 -
Out Of StockOn Sale
HK P30 Tactical Barrel - 9mm - Threaded 1/2x28 RH
H&K Heckler & Koch
Now: $404.95Was: $449.95H&K P30 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK German barrel now includes a factory HK German thread protector, designed specifically for threaded P30 barrels in 1/2x28. We start with a new HK German P30L barrel, professionally fitted to...Now: $404.95Was: $449.95