Reloading newbi. Got some questions...

[The_Shadow]

You should be good to go at the 1.2550".  Yes they look a lot better, if the bullets remain tight in the casing.  If the case mouth is 0.4230" or less they should function reliably.  I place my test cartridges in bank envelopes or bags clearly marked with the info and even take notes at the firing test, then place everything back inside and do a study when I get back home.

Good luck with your testing!