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
HK UMP, USC Roll Pin - Barrel
H&K Heckler & Koch
Now: $10.75Was: $11.94Heckler and Koch German made USC and UMP Universal Barrel Roll Pin HK recommends replacing the barrel pin when the barrel is removed with a new barrel pin. This is a great spare part to have on hand. The factory-correct barrel pin for all HK UMP and USC...Now: $10.75Was: $11.94 -
On Sale
HK P30L Tactical Barrel - 9mm - 5.06" - Threaded 13.5x1 LH - German
H&K Heckler & Koch
Now: $309.56Was: $343.95H&K P30L 9mm Tactical Barrel - Threaded 13.5x1 LH Made in Germany at the HK factory from HK German Cold Hammer Forged barrel blanks, heat treated and finished to HK specs. This is the only HK factory manufactured P30L threaded barrel. The finest...Now: $309.56Was: $343.95 -
On Sale
HK45 Thread Protector - 16x1 LH - US
HKP HK Parts
Now: $11.96Was: $14.95HKP .45 ACP Thread Protector - Threaded 16x1 LH This .45 caliber thread protector fits all full-size and compact barrels with 16x1 LH threads. Made in the USA from stainless steel with a nitride finish, it's essential for protecting your threaded barrels...Now: $11.96Was: $14.95 -
On Sale
HK Pistol O-Ring - .40 S&W Green
H&K Heckler & Koch
Now: $4.46Was: $4.95O-ring for .40 caliber barrels Features: Original green color no longer in production Same high-temperature rubber as the newer black O-rings Factory part that provides the seal between the slide and the barrel Provides a secure lockup and increased...Now: $4.46Was: $4.95 -
On Sale
HK VP9 Thread Protector - 9mm - 13.5x1 LH
HKP HK Parts
Now: $15.96Was: $19.95HKP 9mm Thread Protector - Threaded 13.5x1 LH This standard thread protector is perfect as a replacement or backup. It fits 9mm barrels with 13.5x1 LH threading. Specifications: Threaded 13.5x1 LH Compatible With: HK VP9, VP9T, VP9SK,...Now: $15.96Was: $19.95 -
On Sale
HK MP5SD Barrel - 9mm - 5.74" - Threaded 18x1
RCM
Now: $179.95Was: $199.95RCM HK MP5SD 9mm Barrel - Threaded 18x1 RCM HK Style MP5 SD Barrel. Specifications: Made In The USA Cold Hammer Forged Steel (CHF) 16 Fluted Chamber Threaded 18x1 Overall Length 5.74" Nitride Finish To Entire Surface Of Barrel Inside &...Now: $179.95Was: $199.95 -
On Sale
HK SD Barrel Port Brush Handle
HKP HK Parts
Now: $31.96Was: $39.95HKP SD Barrel Port Brush Handle The HK Parts SD brush handle is the perfect tool to pair with your factory H&K or HK Parts barrel brush. Unlike other brush handles, the HKP handle features a locking clamp allowing the user to rotate the brush...Now: $31.96Was: $39.95 -
On Sale
HK MP5SD Barrel Port Brush
HKP HK Parts
Now: $63.96Was: $79.95HKP HK MP5SD 9mm Barrel Port Brush The HKP MP5SD barrel port brush can be rotated in either direction for stiffer or softer cleaning when using our proprietary handle. Compatible with any brush handle featuring the factory thread pitch. Compatible...Now: $63.96Was: $79.95 -
On Sale
HK VP9 Tactical Barrel - 9mm - 4.45" - Threaded 1/2x28
RCM
Now: $202.50Was: $225.00RCM HK VP9 9mm Tactical Barrel - Threaded 1/2x28 Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded barrel available for the HK VP9 9mm pistol, perfect as...Now: $202.50Was: $225.00 -
On Sale
HK 9mm / .357 SIG Barrel Bore Brush
H&K Heckler & Koch
Now: $1.75Was: $1.95HK 9mm / .357 SIG Barrel Bore Brush This brush is a must-have item to clean the barrel effectively, and it is compatible with all standard 8-32 threaded cleaning rods (universal/most common thread). We offer a large variety of long-lasting bore...Now: $1.75Was: $1.95 -
On Sale
HK USP Tactical Barrel - .45 ACP - 5.07" - Threaded 16x1 LH
H&K Heckler & Koch
Now: $279.89Was: $310.99H&K USP .45 ACP Tactical Barrel - Threaded 16x1 LH HK USP .45 ACP German factory threaded barrel for use with flash hiders or sound suppressors. This is a drop in barrel for any of the HK USP .45 ACP pistols. No gunsmith is required as this is an...Now: $279.89Was: $310.99 -
Out Of StockOn Sale
HK MP5SD Sealing Ring
H&K Heckler & Koch
Now: $26.95Was: $29.95H&K MP5SD Sealing Ring Each HK MP5SD sealing ring is the sealing gasket that seals the SD suppressor against the trunnion on factory HK MP5SD's or factory correct SD conversions. This is a typical wear item as they do degrade and crack. Compatible...Now: $26.95Was: $29.95