I have a VIAS blended on my 300WM APR it does a good job and is a little quieter I had a guide on a hunt last year comment on how quiet it seemed compared to some he had been around.
I’ve been fletching for many years with a Vador Bitzenburger clone with right helical clamp. 91% alcohol and gorilla super glue. I also like flex fletch cement when I can find it.
Are you running a max load? I’ve noticed with a max load of H1000 or any supposedly temp stable powder I see a slight jump in velocity as the temperature gets in the 80’s especially if your in the sun or as the chamber heats up.
I hardly ever shoot when it’s that hot most of the time I’m...