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Did you shoot at several distances to see if you were getting spiraling at those speeds?
I think H&N did there homework on the Hades,,, They work well in my 177 10.34 gr
Did you shoot at several distances to see if you were getting spiraling at those speeds?
I can tell you in a Tj barrel 26 twist Ive shot them out to 150 yards with no evidence of spiraling over 1050fps