based on serial number alone ( 422881 ) this would be Dec. 1941 but it could have been assembled a bit later. Note the short channel stock.
https://www.milsurps.com/images/impo...arand017-1.jpg
https://www.milsurps.com/images/impo...arand030-1.jpg
https://www.milsurps.com/images/impo...tchannel-1.jpg
https://www.milsurps.com/images/impo...GHSstock-1.jpg
https://www.milsurps.com/images/impo...nofinish-1.jpg
https://www.milsurps.com/images/impo...rearsnof-1.jpg
[IMG]http://i43.photobucket.com/albums/e372/joewill421/Windagegroovessolidarrows.jpg[IMG]
http://i43.photobucket.com/albums/e3...tD353823SA.jpg
https://www.milsurps.com/images/impo...gasscrew-1.jpg
https://www.milsurps.com/images/impo...arand006-1.jpg