For my new CVA break barrel rifle. I have been reloading many years but I have always followed the published data. I have 200 .44 cal Hornady FTX 225 grain (Gummy Tip Lever Revolution) and 100 XTP 240 grain. The XTP are not a problem but the FTX in some calibers including the .44 Magnum require trimmed shorter cases. I know this would be an issue in a lever gun or perhaps some revolvers but I suspect my (on the way to me) CVA .44 Magnum will accommodate standard brass length with the FTX bullets.
I do see load data for the trimmed cases with the FTX. But with normal length cases, scuttlebutt is to use standard load data if not trimming the case under size. My plan is to use a dummy, sized case and to set a bullet atop and then load it into the rifle and let the action push the bullet back to determine the rifling position and gap to rifling. And then set the bullet back from there into the cannelure. So, at long last my question, how much throat/gap do I need to be safe between the bullet and engagement with the rifling?
I do see load data for the trimmed cases with the FTX. But with normal length cases, scuttlebutt is to use standard load data if not trimming the case under size. My plan is to use a dummy, sized case and to set a bullet atop and then load it into the rifle and let the action push the bullet back to determine the rifling position and gap to rifling. And then set the bullet back from there into the cannelure. So, at long last my question, how much throat/gap do I need to be safe between the bullet and engagement with the rifling?