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 Stock
HK91, G3 Barrel - 7.62x51 - 17.7" - Threaded 5/8x24
RCM
$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...HKP-21838$264.99 -
Out Of Stock
HK VP40 Barrel - .40 S&W - 4.45" - Threaded 14.5x1 LH
RCM
$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...HKP-17369$225.00 -
HK VP9 Tactical Barrel - 9mm - 4.45" - Threaded 13.5x1 LH
RCM
$225.00RCM HK VP9 9mm Tactical Barrel - Threaded 13.5x1 LH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest...HKP-16850$225.00 -
HK MP5K Barrel Extension and Faux Suppressor - 9mm - 3 Lug - US
HKP HK Parts
$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...HKP-18001$59.95 -
HK Mark 23 Thread Protector - 16x1 RH - US
HKP HK Parts
$19.95HKP HK Mark 23 .45 ACP Thread Protector - Threaded 16x1 RHHKP-21267$19.95 -
Out Of Stock
HK91, G3 Barrel - 7.62 / .308 - 18" - Threaded 5/8x24 - Match
PTR
$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...HKP-19633$229.95 -
On Sale
HK P30L Conversion Barrel - .40 S&W To .357 SIG - Non-Threaded
RCM
Now: $151.41Was: $237.50RCM HK P30L .40 S&W To .357 SIG Conversion Barrel - Non-ThreadedHKP-17568Now: $151.41Was: $237.50 -
Out Of Stock
HK416 Barrel Multi Tool
Nefarious Arms
$124.95Nefarious Arms HK 416 Barrel Installation and Multi Tool HK416 multitool patternHKP-21487$124.95 -
HK SL8, G36 Piston Rod Assembly
H&K Heckler & Koch
$64.95Heckler and Koch Gas Piston Rod and Spring Assembly for HK G36 and HK SL8 Great for spare parts or to use on that HK SL8-G36 conversion. This is a high-wear item and a must-have spare part...HKP-02000$64.95 -
HK MP5, MP5K Muzzle Protector Cap - 3-Lug
H&K Heckler & Koch
$19.95H&K MP5, MP5K Muzzle Protector Cap - 3-Lug New HK German high-impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5, MP5K 3-lug barrel and remove when...HKP-17666$19.95 -
HK VP40 Conversion Barrel - .40 S&W to 9mm - Threaded - 1/2x28
RCM
$214.95RCM HK VP40 to 9mm Conversion Barrel - Threaded - 1/2x28HKP-21676$214.95 -
HK P30L Tactical Barrel - .40 S&W - 5.06" - Threaded 9/16x24 RH
RCM
$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...HKP-16713$225.00