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 P2000 Barrel - 9mm - 3.36"
H&K Heckler & Koch
$319.95New HK German HK P2000 Barrel 9mm Brand new cold hammer forged 9mm P2000 barrel. Perfect for those who want to have a spare or for caliber conversion swaps.HKP-01570$319.95 -
HK51K Barrel - 7.62 / .308 - 5.3" - Threaded 15x1 RH
RCM
$164.95RCM HK51K (7.62x51/.308) Barrel - Threaded 15x1 RH Made to exact HK51K specifications from cold hammer forged steel, this barrel matches the quality of HK German barrels. Ideal for custom builds and HK51K style projects. Specifications: Made In The...HKP-02392$164.95 -
HK P30L Barrel - 4.45" - 9mm
H&K Heckler & Koch
$234.95Factory barrel for HK P30L 9mm pistols made by Heckler and Koch Features: Factory made in Germany 4.45" barrel caliber 9 x 19mm six-sided polygonal Cold hammer Forged CHF from strong steel with a black finish Stamped for both its manufacture location...HKP-01827$234.95 -
Out Of Stock
HK21E, HK23E, HK21, HK11, HK13 Barrel Grip Holder - German
H&K Heckler & Koch
$34.95H&K 21E/23E/21/11/13 (7.62x51/.308) & (5.56/.223) Barrel Grip Holder - German New old stock with handling marks from being bagged and shipped in bulk. German HK manufacture.HKP-16427$34.95 -
Out Of Stock
HK416 A5, MR556 A4 Barrel - 5.56 / .223 - 16.5"
H&K Heckler & Koch
$389.95H&K HK MR556 A4/A5 16.5" Barrel This 16.5" factory H&K MR556 A4 barrel is cold hammer-forged from high-quality steel for exceptional durability, accuracy, and longevity. Manufactured to Heckler & Koch’s exacting standards, it features a...HKP-21931$389.95 -
Out Of Stock
HK416, MR556 Barrel - 5.56 - 14.5" - Threaded 1/2"x28 - A5
Nefarious Arms
$594.95Nefarious Arms HK 416/MR556 14.5" A5 Barrel Each Nefarious Arms barrel is cold-hammer-forged and chrome-lined for years of accurate shooting. Grab this expertly crafted barrel for your next SBR or pistol build. Compatible With: HK 416 (A5,...HKP-21590$594.95 -
HK G36, SL8 Barrel Retaining Nut
GSG9
$53.00HK G36 & SL8 Barrel Retaining Nut - USA Made in the USA. Compatible With: SL8 (all models & variants) G36E G36K G36C All other G36 VariantsHKP-18252$53.00 -
HK MP5, HK94, HK34 Barrel - 9mm - 16.175" - Threaded 1/2x28
RCM
$249.95RCM MP5, HK34, HK94 Barrel - 9mm - 16.175"- Threaded 1/2x28 Each barrel is meticulously crafted from premium cold hammer forged (CHF) 41V45 steel, expertly profiled and chambered with a 16-flute chamber profile. Finished with a highly durable nitrided...HKP-17761$249.95 -
HK Mark 23 Thread Protector - Knurled - 16x1 RH
HKP HK Parts
$19.95HKP .45 ACP Thread Protector - Threaded 16x1 RH for HK Mark 23 Thread protector designed for HK Mark 23 and SOCOM barrels threaded 16x1 RH. Machined steel with a durable nitride finish and knurled exterior for secure installation and removal...HKP-22286$19.95 -
HK P30L Conversion Barrel - .40 S&W to 9mm - Threaded - 13.5x1
RCM
$214.95RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 13.5x1 This 9mm conversion barrel is a drop-in replacement that allows your P30L to shoot the ubiqutous 9mm cartridge. Includes a thread protector. Each barrel is made from ordnance-grade steel,...HKP-21788$214.95 -
Out Of Stock
HK PSG-1 Barrel - 7.62 / .308 - 25.5"
RCM
$849.95RCM Schneider PSG-1 Barrel Only the finest blanks in the industry can produce the best results on the range. Schneider Barrel Company makes that blank. This barrel will work perfectly with standard G3/91 trunnions, G3 barrel extensions, or...HKP-21193$849.95 -
HK MP5, MP5K Barrel Extension and Faux Suppressor - 8.85" - Threaded 15x1 RH
USA
$179.95HK MP5, MP5K Barrel Extension Faux Suppressor - 15x1 RH Perfect for that rifle build or for those looking for the MP5KN suppressed look. Dakota tactical review of this exciting new product on an MP5: DTAC Suppressor Review Specifications: Overall...HKP-20890$179.95