12/17/24 - Preorded barrels are processing today.
The RCM HK Style 21 Barrel is a premium 17.700-inch barrel designed for 7.62 NATO, precision-crafted from Mil-Spec 41V50 steel. It features cold hammer forging, a 1:10 twist rate, nitrided surfaces, and 12 flutes for improved heat dissipation.
Perfect for completing HK21/FMP or HK11 builds, these barrels are stripped, requiring users to add their own hardware.
-----
Need the Barrel Grip assembly? CLICK HERE!
Need more HK21 Parts? Feed Mechanism, Barrel Shroud, Complete Bolt Assembly, Trigger Pack CLICK HERE!
