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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PTR32 Barrel - 7.62x39 - 16" - Threaded 5/8"x24 - KFR
PTR
$249.95PTR-32 (7.62x39) KFR Barrel - 16 Inch 16.35" Stress relieved, tapered contour, threaded 5/8" x 24, twist 1 in 10" RH Specifications: 16.25" overall length Chambered in 7.62x39mm Fully Fluted with 12 flutes Match grade Please Note: PTR barrels...$249.95 -
On Sale
HK MP5K Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
HKP HK Parts
Now: $199.95Was: $299.95HK MP5K .40 S&W 3-Lug Barrel with Thread Protector - Threaded 9/16x24 3-lugged Barrel with a 9/16x24 thread protector. Specifications: 3-lugged barrel Includes 9/16x24 thread protector Compatible With: HK MP5K .40 S&WNow: $199.95Was: $299.95 -
On Sale
HK VP40 Conversion Barrel - .40 S&W to 9mm - Threaded - 13.5x1
RCM
Now: $193.45Was: $214.95RCM HK VP40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your VP40 to shoot the popular 9mm cartridge. Comes with a thread protector. Each barrel is made from ordnance-grade steel,...Now: $193.45Was: $214.95 -
HK MP5, SP5 Barrel - 9mm - Threaded with 3 Lug - New Old Stock - Rare
H&K Heckler & Koch
$987.95H&K HK MP5/SP5 3 Lug Barrel - New Old Stock - Rare Factory German date coded with H&K logo. This new old stock 3-lug threaded item is incredibly rare and in pristine condition. An absolute gem in the market. We only have a limited number...$987.95 -
On Sale
HK P30, P30S Barrel - 9mm - 3.85"
H&K Heckler & Koch
Now: $242.95Was: $269.95Factory barrel for HK P30 and HK P30S 9mm pistols made by Heckler and Koch in black. Features: Factory made in Germany 3.85" barrel caliber 9 x 19mm six-sided polygonal Cold hammer Forged CHF from strong steel with a black finish Stamped for both its...Now: $242.95Was: $269.95 -
Out Of Stock
HK USP Barrel - .40 S&W
H&K Heckler & Koch
$0.00Heckler and Koch German USP Full Size .40 Caliber Barrel Great idea to have a spare, factory cold hammer forged, polygonal HK barrel on hand. Compatible With: USP .40 Full Size USP .40 Tactical$0.00 -
On Sale
HK P2000 Barrel - .40 S&W - 3.62"
H&K Heckler & Koch
Now: $215.95Was: $239.95HK factory German P2000 .40 SW 3.62" Barrel Specifications: .40 S&W Caliber 3.62 inches Genuine Heckler and Koch PartNow: $215.95Was: $239.95 -
On Sale
HK .40 S&W Thread Protector - 9/16x24 RH
HKP HK Parts
Now: $9.95Was: $14.95HKP .40 S&W Thread Protector - Threaded 9/16x24 RH The HK Parts 9/16x24 thread protector is specifically designed for .40 S&W handgun barrels with 9/16x24 right-hand threading. Essential for protecting your barrel threads...Now: $9.95Was: $14.95 -
Out Of StockOn Sale
HK G36K Barrel Front End Kit - 5.56 / .223 - 12.5" - Threaded 15x1
HKP HK Parts
Now: $711.96Was: $889.95G36K Barrel Front End Barrel Kit - 223/556 New production HK G36K style barrel conversion and front end kit. Each kit will include the necessary parts to build a G36/SL8 variant into the G36K barrel length variant as pictured. All you need is this kit to...Now: $711.96Was: $889.95 -
On Sale
HK UMP Barrel - 9mm - Threaded 1/2x28 with 3 Lug
GSG9
Now: $314.95Was: $349.95GSG9 UMP (9mm) Barrel - Threaded 1/2x28 - 3-Lug This barrel is the perfect addition to your UMP conversion as it includes the 3-lug and threaded 1/2x28 end of the barrel for use with suppressors or factory HK 3-lug flash hiders. Specifications: Threaded...Now: $314.95Was: $349.95 -
On Sale
HK33, HK93 Barrel - .300 BLK - 16.1 Inch - Threaded 5/8x24
RCM
Now: $211.45Was: $234.95NCM HK33/93 .300 BLK 16.125 Inch Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and cans in the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK...Now: $211.45Was: $234.95 -
On Sale
HK416 A5, MR556 A4 Gas Vent Screw - 1.0mm
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MR556 A4/416 A5 1.0mm Gas Vent Screw German 1.0mm gas vent screw for MR556 A4. Provides less venting than the factory-installed 1.3mm screw. Compatible With: HK MR556 A4 HK416 A5Now: $26.95Was: $29.95