I am looking at getting a 1865 Spencer carbine for use in CW reenacting. One I have found is a 45 Schofield. I'm having trouble finding premade blank rounds in that caliber. I've heard that 45 Colt cartridges will work. I don't have case length data on either. Does anyone have some advice? I've seen 5 in 1 blanks at Dixie that say they are useable in 44, 44 mag, 45 Colt but the mfg can't tell me if they'll cycle in a 45 Schofield. Thoughts?