I have shot my 625's (.45 ACP and Auto Rim) more than all of my other revolvers put together in the last couple of years. I am a FAN, I am, i am...
I have been using Starline Auto Rim brass for the past year or so even tho' I have a LARGE supply of ACP brass. I just find the Auto Rim cases present less aggravation in general. Nothing wrong with using ACP cases and the RIMZ clips minimize the aggravation but they are just something else to fool with.
Most of what I shoot are 200 gr SWC target loads (4.0 grs of Bullseye or equivalent) and my guns shoot those loads extremely well. Little recoil and great accuracy - just flat friendly loads, they are...
Right now, Starline is out of .45 Auto Rim without a future ship date
, but I would suggest if you are interested to call them and place an order. If they get enough orders, it may speed up the process. I have bought lots of brass from Starline and like the quality, price, and delivery (when they are in stock).
Dale53