I am on the hunt for a .308. From reading a 61 catalog, the 61s were drilled and tapped. I also read that .308s began to be manufactured in 56 for 1957 sales. I would like to find a pre-60 .308 ... if they were factory drilled and tapped, otherwise a later, but early later one when they were still doing hand checkering.
When did factory drilling and tapping actually begin?
When it started, was it across the board for all models in the starting year?
When did factory drilling and tapping actually begin?
When it started, was it across the board for all models in the starting year?