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The A.R.M.S.™ Stand Alone Flip-up sight, utilizes the same well proven concept as the rear sight on the SWAN® Sleeve system. The unique design of the spring loaded rear
sight, ensures constant battery action and repeat zero. The sight is held in the locked down position by a quick release lever, that prevents the sight from being accidentally engaged, but is as fast as a
trigger to release even with arctic mittens. The initial elevation zero utilizes the standard M16/M4 front sight bead. When the sight is released into battery the 250-300 meter aperature is ready for immediate
close combat use. For longer ranges the leaf sight aperature is rotated to access the 500-600capability with the built in horizon line feature that helps lead distant targets and lets the shooter square the
rifle to counter windage offsets, if the rifle is inadvertently tilted. Other type rear iron fold-down sights require the shooter to push it into position, which means they can be accidentally knocked down at
the worst time. The A.R.M.S. spring loaded flip-up sights never let you down, because they're designed to always be there even when going thru brush or being dropped. U.S. Patents No.5,533,292 & No.
5,142.806
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