Throw Out the Old Rules! The 6mm ARC round from Hornady is a new cartridge that delivers an 800 to 1,000-yard effective range from a standard AR-15 rifle platform.
CMMG has always constantly pushed the limits of what the AR-15 can do, and they continue with tradition with the CMMG Endeavor in 6mm ARC
Brownells unveiled a line of exclusive barrels and complete uppers chambered in Hornady’s newly-announced 6mm ARC.
The 6mm ARC is a tardy update to the M4 rifle, even if it were implemented right now, is already thirty years late. To convert existing M4s to this new round for that matter will require a…