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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HK P2000SK Barrel - .40 S&W - 3.25"
H&K Heckler & Koch
$259.95HK German Factory P2000SK .40 S&W Barrel Brand new HK P2000SK .40 Cal factory cold hammer forged polygonal rifled barrel. This barrel measures 3.25" and is drop-in ready. Compatible With: HK P2000SK .40 S&WHKP-01569$259.95 -
HK P30 Tactical Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
RCM
$225.00RCM HK P30 .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 P30...HKP-16221$225.00 -
HK USP Compact Barrel - .45 ACP - 3.80"
H&K Heckler & Koch
$349.95Drop in barrel for HK USP45 Compact HK USPC .45 ACP Barrel Features: Factory barrel for HK USP45 Compact 3.80" (95mm) Compatible with: HKUSP CompactHKP-02064$349.95 -
Out Of Stock
HK33, HK93 Barrel - 5.56 / .223 - 16.1" - Threaded 15x1 RH
PTR
$163.95PTR HK 93/33 (5.56/.223) Barrel - Threaded 15x1 RH New US made Barrel by PTR for the HK93, HK33 style of firearms. Specifications: Made In The USA 922r Compliant Counts as 1 US Made Part Overall length 16.1" 4140 Ordnance Grade Steel Threaded 15x1...HKP-16458$163.95 -
HK33K Barrel - 300 BLK - 12.5" - Threaded 5/8x24
RCM
$234.95RCM HK33K .300 BLK K Length Barrel - Threaded 5/8x24 Each barrel is designed for use with popular AAC-Style quick detach muzzle brakes and suppressors featuring a 5/8x24 thread pitch. It is also suitable for most .300 BLK suppressors and applications...HKP-16952$234.95 -
HK MR556 A4/416 A5 Gas Block Spring
H&K Heckler & Koch
$19.95H&K MR556 A4/416 A5 Gas Block Spring German-made gas block spring for the MR556 A4 and HK416 A5. Compatible With: HK MR556 A4 HK416 A5HKP-22060$19.95 -
HK VP40 Barrel - .40 S&W - 4.09"
H&K Heckler & Koch
$229.95Brand New HK German Standard Length VP40 Barrel. Cold Hammer Forged & Make in Germany. Compatible With: HK VP40 VP40 Tactical ModelsHKP-18722$229.95 -
HK P2000SK Barrel - .40 S&W - 3.89" - Threaded 14.5x1 LH
RCM
$225.00RCM HK P2000SK .40 S&W Barrel - Threaded 14.5x1 LH Each P2000 SK tactical 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...HKP-16943$225.00 -
Out Of Stock
HK416 Gas Block - Vented
H&K Heckler & Koch
$249.95Heckler and Koch German HK416 and HK MR556 14.5" & 16.5" & 20" Gas Block Complete This is the factory-correct gas block with the ambi sling attachment points, as well as the bayonet lug milled into the gas block. Perfect for those who want...HKP-01544$249.95 -
Out Of Stock
$139.95 -
Out Of Stock
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 15x1 - Match
PTR
$199.95PTR HK G3/91 (7.62x51/.308) Match Grade Barrel - Threaded 15x1 Each barrel is current PTR production and has the proper number and depth of flutes for optimum functionality. This barrel is a medium contour barrel that is larger in diameter than a...HKP-00873$199.95 -
On Sale
HK51, HK53 Barrel Extension - Fluted - Urbach Style - Threaded 15x1 RH
HKP HK Parts
Now: $82.95Was: $149.95HKP HK 53/51 (5.56/.223) Urbach Style 8 inch Fluted Barrel Extension - Threaded 15x1 RH This 8" long fluted barrel extension is designed to extend the overall length of a 51 or 53 barrel to meet the 16" legal requirement. Ideal for those using an 8"...HKP-17638Now: $82.95Was: $149.95