The A.R.M.S.® #72® MK-II® mount 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.
The New MK-II Lever® features a built-in precision adjustment wheel allowing finger tip (no tool) selection to desired tension to fit variations in 1913 Mil-Std Dimensions. 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 Quick Detach Throw Lever® Mil-Std 1913 Rail MK-II Lever® mounting attachment.
US. Pat. No. 8,112,933 B1