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 StockOn Sale
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24 - Match
PTR
Now: $206.95Was: $229.95PTR HK G3/91 (7.62x51/.308) Match Barrel - Threaded 5/8x24 This new PTR-91 US-manufactured 18" heavy profile match grade barrel is perfect for new builds and counts as one US-made compliant part. It features the proper fluted chambers for HK G3/91 rifles...Now: $206.95Was: $229.95 -
On Sale
HK USPC Tactical Barrel - .40 S&W - 4.28" - Threaded 9/16x24 RH
RCM
Now: $202.50Was: $225.00RCM HK USPC .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each USPC .40 S&W tactical barrel is meticulously crafted from ordnance grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement...Now: $202.50Was: $225.00 -
On Sale
HK417, MR762 Pin - Gas Block
H&K Heckler & Koch
Now: $7.16Was: $7.95H&K HK MR762/417 Gas Block Pin This is the retaining pin for an HK MR762 gas block. A must have as HK says you have to use new pins once they are removed. Compatible With: HK MR762 HK 417Now: $7.16Was: $7.95 -
On Sale
HK94 Barrel Shroud - SD Style
H&K Heckler & Koch
Now: $89.95Was: $99.95Heckler and Koch HK94 SD Style Barrel Shroud Features: Fits all factory HK94 rifles or barrels Made to factory German HK94 specs. Designed to cover the 16" barrel Provides a neat SD style look without the cost of a full conversion Made of...Now: $89.95Was: $99.95 -
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 -
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 -
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 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 -
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
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