I have a Smith-Corona 1903A3 ser#36381xx,It has a I believe Redfield adjustable target rear sight with gradations from 0-600 on the right side and a set screw on the top right side and another horizontally on the left side.There is also a knurled screw on thefront right side.It also has a peep sight.
The front sight is a cylinder shaped hooded sight.The rear of the sight is knurled.Can anyone relay to me how to use this sight.Also what brand do you think it is and are there any resources I can read to learn how to use it.
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