Shaw Barrels 6mm ARC AR-15 Barrel - Mid-Length - Lightweight - 14.5"

The Shaw Barrels Nitride Builder AR-15 barrel is a lightweight contour 4140 CrMo barrel with a black nitride finish and a dimpled .750" gas journal, made to order in .300 Blackout, 5.56, and 6mm ARC.

Features:

• 6mm ARC, 1:7.5 twist
• 14.5" long, 1.75 lbs
• 4140 CrMo with a black nitride finish
• Lightweight contour, no fluting
• Mid-length gas system
• 5/8x24 threads
• 30 cal feed ramp cut
• .750" gas block diameter, dimpled gas journal
• Laser marked with the cartridge and twist rate

Nitride Builder barrels are laser marked only with the cartridge and the twist rate. They are made to order and typically ship within 7 working days, and an optional gas block and tube is available as an add-on purchase.

Shaw Barrels makes AR-15 barrels.