Originally Posted by
gator43
I have what I believe to be an unmolested RIA rifle, SN 282970, which I believe to be one of the guns Mr Beard and Ferris identified as having been in storage and unassembled in January 1918 when manufacturing ceased for installation of improved heat treating equipment, and then treated with the new furnaces, and assembled for service issue. OHA inspected. The straight-handle bolt is stamped R10, which I believe is double heat treated and/ or nickel steel. Is that correct?