Helping The others Realize The Advantages Of colt 6940 barrel wrench
It really is designed to work Using the detachable rear sight, which has a flip-up aperture adjustable for windage and elevation. Elevation adjustments are created By the use of a drum calibrated for M855 ammunition at ranges of two hundred to 600 meters. The rear sight is very low more than enough to not interfere with most eye-aid-dependent optic