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
HK45 Thread Protector - .578x28 - Knurled - RH
HKP HK Parts
Now: $11.96Was: $14.95HKP .45 ACP Thread Protector - Threaded .578x28 RH The new US-made .45 ACP tactical thread protector, the cap fits all HK45 full size & compact barrels threaded .578x28 RH thread. A must-have item to protect your threaded barrels, exposed threads...Now: $11.96Was: $14.95 -
On Sale
HK Mark 23 Thread Protector - 16x1 - RH - US
HKP HK Parts
Now: $15.96Was: $19.95HKP HK Mark 23 .45 ACP Thread Protector - Threaded 16x1 RH Specifically designed for all H&K Mark 23/SOCOM barrels threaded 16x1 RH, this essential accessory offers superior protection for your threaded barrel. Featuring a durable nitride...Now: $15.96Was: $19.95 -
Out Of StockOn Sale
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24
PTR
Now: $193.45Was: $214.95PTR HK G3/91 (7.62x51/.308) GI Barrel - Threaded 5/8x24 New PTR91 US made G.I. spec 18" barrel. Perfect for any barrel threaded 5/8x24. New production perfect for new builds. This part counts as one US made compliant part. Specifications: Overall Lenght...Now: $193.45Was: $214.95 -
On Sale
Now: $71.95Was: $79.95 -
On Sale
HK P30L Tactical Barrel - .40 S&W - 5.06" - Threaded 9/16x24 RH
RCM
Now: $202.50Was: $225.00RCM HK P30L .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 P30L .40...Now: $202.50Was: $225.00 -
On Sale
HK P30L Conversion Barrel - .40 S&W To .357 SIG - Non-Threaded
RCM
Now: $213.75Was: $237.50RCM HK P30L .40 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 finest threaded barrel for the HK P30L .40...Now: $213.75Was: $237.50 -
On Sale
HK 416 10.4" Upper Gas Block - German
Now: $251.95Was: $279.95HK German 10.4" Upper Gas Block Complete New HK German manufacture. This is the ONLY 10.4" gas block available from HK Germany. Compatible With: HK 416 10.4" uppers HK MR556 to 10.4" conversions Please Note: This unit is NOT a vented gas block.Now: $251.95Was: $279.95 -
Out Of StockOn Sale
HK91, G3 Barrel - 7.62x51 - 17.7" - Threaded 5/8x24
RCM
Now: $238.49Was: $264.99RCM HK G3/91 Threaded Barrel - 5/8x24-CHE Machined by RCM from a Mil-Spec 41V50 Hammer Forged Blank. These blanks are considered to be one of the finest made. 1:10 twist, Nitride finish. Perfect for that HK build or to replace that shot out barrel. Each...Now: $238.49Was: $264.99 -
On Sale
HK UMP Barrel - 9mm - 3 Lug - Threaded 1/2x28
HKP HK Parts
Now: $239.96Was: $299.95HKP HK UMP 9mm Barrel - Threaded 1/2x28 - 3-lug HKP UMP 3-lug 1/2x28 threaded barrel. This is the perfect replacement for a worn out barrel or as a spare. With the 3-lug attachment point you can attach any suppressor or flash hider that is in-spec or you...Now: $239.96Was: $299.95 -
Out Of StockOn Sale
HK P30SK, P2000SK Tactical Barrel - 9mm - - 3.89" - Threaded 1/2x28 RH
RCM
Now: $202.50Was: $225.00RCM HK P30SK & HK P2000SK 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK P2000SK and P30SK tactical barrel is meticulously crafted from ordnance grade steel, heat treated, and finished with a durable nitride coating. This is the finest...Now: $202.50Was: $225.00 -
On Sale
HK MP5K, SP5K, SP89 Barrel 9mm - 5.85" - 3 Lug
RCM
Now: $134.95Was: $149.95RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug This is the only US-made non-threaded barrel that uses the same steel and Cold Hammer Forged (CHF) process as Heckler & Koch. Precision-milled to the latest MP5KN PDW specifications with...Now: $134.95Was: $149.95 -
On Sale
HK MP5 Barrel - 9mm - 8.85" - 3 Lug
RCM
Now: $134.95Was: $149.95RCM HK MP5 9mm Barrel - Non-Threaded 3-Lug Made from Cold Hammer Forged (CHF) steel, each high-quality barrel is processed with a durable nitride finish, similar to the treatment used by Sig Sauer. Precision-milled to the latest specifications with...Now: $134.95Was: $149.95