Improved Accuracy and Collimation Procedures of the M-26/27 Muzzle Boresight Device
Final rept. Feb 1987-Feb 1988
ARMY BALLISTIC RESEARCH LAB ABERDEEN PROVING GROUND MD
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During normal use the M-2627 muzzle boresight device is a very accurate device for boresighting tank cannons. This report proposes technical improvements to the tool used for the collimation of the M-2627 muzzle boresight device MBD. In addition, this report makes recommendations to improve present allowable tolerances in these MBDs and suggests a field expedient method of correcting MBDs which exceed tolerances under field conditions. Keywords Tank gun accuracy Fire control system alignment M-68 Cannons M-256 Cannons Gun sights Optical reticle wedge.
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