RCM HK21 .308 Barrel 17.7 Inches

HK21 Barrel Grip Assembly now included with this barrel!

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 more HK21 Parts? Feed Mechanism, Barrel Shroud, Complete Bolt Assembly, Trigger Pack CLICK HERE!