What powder you using R96 - my best velocity in the 50gn to 53gn 3350fps (have had 3550pfs with 50gn but some days shows pressure so left it) is with H335 but pressure pecks quickly, CFE 223(3250fps) for the 60gn and 2208 for 75gn(3000fps) 22" barrel Trueflite much the same as Tikka Barrel.
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