Left receiver leg dovetail???

I cant seem to find answers as to why my mid 1943 WRA, and mid 1943 UEF have different left legs, 9/16"..first 2, from the Inlands 1/4"
WRA
https://www.milsurps.com/images/impo...94061650-1.jpg
UEF
https://www.milsurps.com/images/impo...94064651-1.jpg
Inlands..1/4"
https://www.milsurps.com/images/impo...g?t=1294064803
https://www.milsurps.com/images/impo...g?t=1294064873
https://www.milsurps.com/images/impo...g?t=1294064949
Why the different cut?

My guess is that it is simply a design change.

I can't tell you why, but inland also had the 9/16" cut on some of the earlier carbines they made.
Dave

The Carbine Clubs Data Sheet has an area to fill out comparing the LEFT REAR DETAIL.

Charlie-painter777