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
HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24
RCM
Now: $215.95Was: $239.95RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK suppressor...Now: $215.95Was: $239.95 -
HK MP5, MP5K Muzzle Protector Cap - 3-Lug
H&K Heckler & Koch
$19.95H&K MP5, MP5K Muzzle Protector Cap - 3-Lug New HK German high-impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5, MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...$19.95 -
On Sale
HK Mark 23 Tactical Barrel - .45 ACP - 6.02" - Threaded .578x28 RH
RCM
Now: $260.95Was: $289.95RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded .578x28 RH This HK Mark 23 tactical threaded barrel designed for compatibility with various flash hiders and sound suppressors. Unlike the factory HK Mark 23 barrel with 16x1 RH threads, this barrel...Now: $260.95Was: $289.95 -
Out Of StockOn Sale
HK P30SK, P2000SK Barrel - 9mm - 3.89" - Threaded 13.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK P30SK & P2000SK 9mm Barrel - Threaded 13.5x1 LH Each HK P2000SK & P30SK tactical barrel is finely and painstakingly made from ordnance grade steel, heat-treated, and finished inside and out in the ultra-desirable nitride finish...Now: $202.50Was: $225.00 -
On Sale
HK21, HK21E, HK23E, HK11A1 Barrel Handle
Michaels Machines
Now: $67.45Was: $74.95HK 21, 21E, 23E, HK11 Barrel Handle US-made barrel handle. A great alternative for the original barrel handles that are no longer in production. Available in black or OD green and compatible with 5.56 and .308 platforms. Compatible...Now: $67.45Was: $74.95 -
Out Of StockOn Sale
HK VP9SK Tactical Barrel - 9mm - Threaded 13.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK VP9SK 9mm Tactical Barrel - Threaded 13.5x1 LH Each VPSK Tactical barrel is machined from ordnance grade steel, heat treated then nitrided inside and out. This is the finest threaded replacement barrel for the HK VP9SK 9mm pistol, ideal as...Now: $202.50Was: $225.00 -
On Sale
HK45 Barrel - .45 ACP - 5.87" - Threaded 16x1 LH
RCM
Now: $225.00Was: $250.00RCM HK 45 .45 ACP Tactical Barrel - Threaded 16x1 LH Upgrade your HK45 with the RCM Tactical .45 ACP barrel. Made from fully heat-treated 4140R steel, this barrel is double stress-relieved and coated with nitrided for superior durability and corrosion...Now: $225.00Was: $250.00 -
Out Of StockOn Sale
HK USP Conversion Barrel - .40 S&W to 9mm - Threaded - 1/2x28
RCM
Now: $193.45Was: $214.95RCM HK USP .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your USP to shoot the popular 9mm cartridge. It has the standard 1/2x28 thread and comes with a thread protector. Each...Now: $193.45Was: $214.95 -
On Sale
HK VP40 Conversion Barrel - .40 S&W to 9mm - Threaded - 1/2x28
RCM
Now: $193.45Was: $214.95RCM HK VP40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your VP40 to shoot the popular 9mm cartridge. It has the standard 1/2x28 thread and comes with a thread protector. Each barrel...Now: $193.45Was: $214.95 -
On Sale
HK Mark 23 Barrel - Non-Threaded
RCM
Now: $225.00Was: $250.00RCM HK Mark 23 .45 ACP Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished inside and out with an ultra-desirable nitride coating. This is the finest replacement barrel available for the HK Mark...Now: $225.00Was: $250.00 -
On Sale
HK VP40 Thread Protector - Tactical Texas Style - Threaded 14.5x1 - LH
USA
Now: $22.45Was: $24.95HKP .40 S&W Tactical Texas Style Thread Protector - Threaded 14.5x1 LH The Texas style thread protector features raised knurling, distinguishing it from the standard HK Style with flat knurling. Made in the USA, it is designed for use with 14.5x1 LH...Now: $22.45Was: $24.95 -
Out Of StockOn Sale
HK P2000 .357 Barrel
H&K Heckler & Koch
Now: $296.95Was: $329.95HK P2000 .357 Barrel This is a great spare or replacement barrel to have on hand. This is a popular barrel to convert the P2000 .40 to .357.Now: $296.95Was: $329.95