The #72Ext. mount also includes the new MK ll Levers featuring a built in precision adjustment wheel allowing finger tip (no tool) selection to desired tension to fit variations in 1913 mil-standard dimensions. Precision tension means Precision accuracy. The mounts adjustment wheel comes pre-gauged and locked to the center of the mil std. dovetail specs. The hash marks to the left or right of the adjustment wheels white marked indicator line, represent .002.
US Patent US 8,112,933 B1. The A.R.M.S. #72Ext-LII mount 5.56 Cal. features a built in harmonic spring dampener system that significantly reduces damaging shock waves, allowing sensitive electro/optic aiming devices to better survive, high volume firing on all caliber man portable and crew served weaponry. 100% MADE IN THE USA.
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