production of the gas port barrel for the M1 rifle started in June 1940 and the first barrels were marked S-A 6-40, gas trap rifles were still being completed at this time too. During June and July both types were being completed. Soon after the "direct conversions", which were gas trap rifles being converted to the new front end with the gas port barrel (correct term was spline type barrel) and these early 1940 barrels were also used on these conversions.
Two of my favorite 1940 rifle are shown in the photos, both have S-A 7-40 barrels with nice bores and without any chrome at the gas port area. Both rifles have original SA SPG stocks with two equal size holes in the butt and with solid butt plates. Both rifle have original sights and original keystone springs too. Both rifles have some restorationAttachment 98179Attachment 98180Attachment 98181Attachment 98182Information
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