No published data.
made by Colt in 1918. not unusual to see a springfield slide on a Colt frame
made by Colt in 1918. not unusual to see springfield slide on Colt frame
made by Colt in 1914. not unusual to see a springfield slide on a Colt frame
made by Colt in 1918. not unusual to see a springifeld slide on a Colt frame.
Try the frame/recieiver, under the forearm, top of the tang.
made by Colt in 1914. not unusual to see a springfield slide on a colt frame.
made by Colt for US Navy. not unusual to see a springfield slide on a Colt frame
made by Colt in 1918. not unusual to see springfield slide on a Colt frame
made 1914 by Colt. not unusual to see springfield slide on a Colt frame
made by Colt for US Navy. not unusual to see a springfield slide on a Colt frame
your 1911 was made by Colt in 1918. not unusual to see a springfie;d slide on a Colt frame
Best left to an experienced gunsmith