This guide details the installation and adjustment of a rare, experimental optic designed for the M1 Garand, presented by Ian McCollum of Forgotten Weapons. The optic replaces the standard rear sight and features a 1x magnification, short eye relief, and European-inspired internal adjustment mechanisms. It includes elevation adjustment up to 1000 yards and windage adjustment of approximately 14 MOA. Viewers are encouraged to share any information about this unique prototype.
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