Looking for 270WSM powder recommendations

Hybrid 100V and Barnes 110 gr. TTSX
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Guys, I do not mean to Hijack this thread, but I forgot how to start a new thread, and I really need a bit of help. This weekend, at a Gun show, I purchased a bag of 50 Rem. Once Fired Brass, in 30-06. The seller, who sells tons of brass, and several bags that were prepped by him. Resized and deprimed; Flash hole reamed, ;wet tumbled , primer pockets perfectly clean. I was just now separating the cases by weight when I noticed his very uniform flash holes appeared to be ever so slightly larger than the raggedy Flash Holes in my new, unfired 30-06 Rem Cases. I have no means of accurately measuring the dia. of the two holes. Could be 1/1000 th difference , or maybe less. His cases have Flash Holes are perfectly round. Should I decrease my 30-06 Loads?? Is it unsafe to use that same load if the Flash Hole is slightly larger?? Any advice is really appreciated!! Thanks Lenny
 
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