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I doubt it was screaming along to any degree, didnt have the rifle very long, bought it out of curiosity, didn't do anything 270 couldn't do, lovely rifle and a solid action though.

I just looked at adi data, their max is 52.4gr 2209 so only half a grain over, they're usually pretty conservative with max loads

Used 53gr 2209 with 208 amax before, was getting warm in my rifle though (springfield 03-A3 factory sporter)
No idea how fast it was going. Recoil was intense..