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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On Sale
Thread Protector - .40 S&W - 14.5x1 LH - Titanium
HKP HK Parts
Now: $10.46Was: $24.95HKP HK .40 S&W Thread Protector - Threaded 14.5x1 LH - Titanium Titanium .40 S&W tactical barrel thread protector cap. Each thread protector has a built in O-ring to allow the best fit possible to...HKP-17961Now: $10.46Was: $24.95 -
HK33K Barrel - .556 / .223 - 12.7" - Threaded 15x1
RCM
$234.95RCM HK33K (5.56/.223) Barrel - Threaded 15x1HKP-02319$234.95 -
Out Of Stock
HK MP5 to MP5SD Front End Conversion Kit
DTAC Dakota Tactical
$1,299.95Dakota Tactical HK MP5SD Front End Kit If you have wanted to convert that MP5 or SP5 to an SD but didn't know where to start, look no further. Our kit provides all necessary components (aside from...HKP-21318$1,299.95 -
HK45 Thread Protector - Threaded .578x28 RH
USA
$24.95HK45 .45 ACP Thread Protector - Threaded .578x28 RH Made in the USA, HK45 .45 ACP thread protector, for full size & compact barrels with a 578x28 RH. Made from stainless steel with a nitride finished...HKP-19891$24.95 -
HK416A5, MR556 Barrel - 5.56 / .223 - 11"
H&K Heckler & Koch
$424.95Heckler and Koch 11" Barrel for HK416A5, MR556 A4, MR556 A5 Factory German 11" HK416A5, MR556 barrel. Cold hammer-forged and built to HK’s standard for durability, accuracy, and service life. The 1:7...HKP-21932$424.95 -
HK P30L Conversion Barrel - .40 S&W to 9mm - Threaded 1/2x28
RCM
$214.95RCM HK P30L .40 to 9mm Conversion Barrel - Threaded - 1/2x28HKP-21785$214.95 -
Out Of Stock
HK Mark 23 Tactical Barrel .45 ACP - 5.87" - Threaded 16x1 LH
RCM
$250.00RCM HK Mark 23 .45 ACP Tactical Barrel - Threaded 16x1 LHHKP-17443$250.00 -
HK MP5K, SP89, SP5K Barrel - 9mm - 3 Lug - Threaded 1/2x32
B&T Brugger & Thomet
$399.95B&T HK MP5K/SP5K/SP89 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is specifically designed for the HK SP5K. Manufactured to exact...HKP-17908$399.95 -
Out Of Stock
HK VP9 Barrel - 9mm
H&K Heckler & Koch
$269.95H&K Barrel VP9 Brand New HK German Standard Length VP9 Barrel. Marked HK 9mmx19. Brand new cold hammer forged & made in Germany. Compatible With:HKP-16820$269.95 -
HK G36, SL8 Barrel Retaining Nut
H&K Heckler & Koch
$29.95HK G36 & SL8 Barrel Retaining Nut - German HK Compatible With: SL8 (all models and variants) G36E G36K G36HKP-16341$29.95 -
Out Of Stock
HK MP5 Barrel - 9mm - Threaded 1/2x28 with 3 Lug - Navy - US
HKP HK Parts
$179.95HKP MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug High quality, US-made MP5-N barrel. Built to last and finished in resilient nitride. Precision milled to the latest specs with the factory correct...HKP-17926$179.95 -
HK23E, HK13 Barrel - 5.56 / .223 - 17.7"
RCM
$699.95RCM HK23E Barrel RCM HK23E light profile barrels are made from mil-spec 41V50 CHF blanks that are fully salt bath nitrided for optimal wear and corrosion resistance. These barrels are the finest out...HKP-21837$699.95