Trying to find a good target load for my 686.
I have a 7" barreled model 686 and I have been trying to find an accurate load for 50 yard bench shooting. Today I found a box of 38 Specials that I had made way back in 2011 using Berry's 148 grain double end wadcutter and 3.5 grains of 231. This load was extremely accurate, way more accurate than any 357 load I have tried in the past. I am concerned about shooting just 38's in the 357 revolver as I have read that a ring will form making it hard to chamber 357 loads. Can I use that same load, 148 grain wadcutter with 3.5 of 231 in a 357 mag case and expect similar accuracy or do I need to bump up the powder weight due to the longer 357 case? Thanks!