They have new iron sights and a modified gas system designed to reduce barrel vibration and are capable of shooting 2 inch groups at 100 yards or 2 minute of angle (MOA) accuracy.
They have new iron sights. They have a modified gas system designed to reduce barrel vibration. They are capable of shooting 2 inch groups at 100 yards. They are capable of shooting 2 inch groups at 2 minute of angle (MOA) accuracy.