If you want to convert an existing 10/22 to the M1 look, EABrown offers an excellent Stock kit with all the accessories to make the build look authentic (sights, sling, etc.).
https://www.eabco.com/m1_carbine_ruger_1022_tribute.htm
https://www.eabco.com/m1_carbine_ruger_1022_tribute.htm