Primary differences between the 1911 and the 1911A1

[OD*]

http://www.m1911.org/images/dana/ww1replica/1911-1911A1text.jpg

[exitwounds]

This is a basic description from an old Military Graphic Training Aid (GTA):
http://i6.photobucket.com/albums/y231/m67/1911series.gif

It is interesting to note that there is no mention of the slide stop in either of the charts. And both short and long spur hammers existed on both models depending upon manufacturer and serial number range.

[sprice1973]

Great posts by od and exitwounds!Should help me when I am on the market for one of these old war horses

[flyfish]

Very informative. One more reason to love this site. Thanks