I used the search function on castboolits and came up with this link
"Using .308 brass cut down for the 45 acp loads in S&W Brazilian revolvers using . 410 wads and 7.5 or 8 shot 15 ft for snakes and pidgeons in a ..."
castboolits.gunloads.com/showthread.php?336915...Pistol-shotshells
Good luck
gramps, who doesn't know why the link doesn't come up?
Making 45acp shotshells (My Way)
Feb 20, 2013 ... It seems like the load needs to be taylored to each pistol to function the ... Years ago I had a commercial 45 ACP shot shell die set that I sold.
castboolits.gunloads.com/showthread.php?185253...shotshells-(My