Colt1911 according to my Hornady book 70 gr bullet, length 2.510 IMR4831 starting 20.2 grs max 23.1 grs. Reloader 7 starting 19.8 max 23.6 N201 starting 22.0 max 27.6 IMR3031 starting 22.1 max 27.4 N203 starting 22.4 max 29.3. velocity is from 2500 fps to 3200 fps. Remember .227 bullets instead of .224. Hope this helps.

Edited by - MR300WM on 02/24/2002 11:47:55