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 USP, USP Tactical Barrel - 9mm - 4.86" - Threaded 13.5x1 LH
RCM
Now: $162.00Was: $225.00RCM HK USP 9mm Tactical Barrel - Threaded 13.5x1 LH Each 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 replacement barrel available...Now: $162.00Was: $225.00 -
Out Of StockOn Sale
HK G3K Barrel - Threaded 15x1 RH
RCM
Now: $220.45Was: $244.95RCM HK G3K (7.62x51/.308) Barrel - Threaded 15x1 RH Manufactured to exact G3K specifications from cold hammer forged (CHF) steel, this barrel is a direct replacement for worn G3K barrels or ideal for your HKG3K build. It also counts as one US compliance...Now: $220.45Was: $244.95 -
Out Of StockOn Sale
HK VP40 Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK VP40 .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP40 .40 cal...Now: $202.50Was: $225.00 -
On Sale
HK MP5K Barrel Extension / Faux Suppressor - 9mm - 3 Lug - US
HKP HK Parts
Now: $47.96Was: $59.95HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension. Slips over the 3-lug MP5K PDW barrel and then pinned in place to meet the overall 16"...Now: $47.96Was: $59.95 -
On Sale
HK416, MR556 , HK G36, HK SL8 Gas Piston
USA
Now: $71.95Was: $79.95HK G36, HK SL8, HK 416, & HK MR556 Gas Piston Complete assembly with 3X rings installed and nitrided black. Counts as one US-made compliant part for your SL8-G36 style conversion. This is one of the best parts to use on the conversion as it is one of...Now: $71.95Was: $79.95 -
On Sale
HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 9/16x24 RH
RCM
Now: $202.50Was: $225.00RCM HK P30 .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30 .40...Now: $202.50Was: $225.00 -
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 USP Tactical Barrel - .40 S&W - 4.86" - Threaded 14.5x1 LH
RCM
Now: $202.50Was: $225.00RCM HK USP .40 S&W Tactical Barrel - Threaded 14.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK USP full-size .40...Now: $202.50Was: $225.00 -
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
HK USP Barrel - .45 ACP - 5.09" - Threaded 16x1 LH
RCM
Now: $225.00Was: $250.00RCM HK USP .45 ACP Barrel - Threaded 16x1 LH HK USP .45 ACP & HK USP Tactical .45 ACP threaded barrel for use with a wide variety of flash hiders & sound suppressors. This is a special offering as a factory USP Tactical.45 ACP barrel is threaded...Now: $225.00Was: $250.00 -
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
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