so let me get this straight....... you believe by enlarging bore/projectile diameter by LESS THAN half a mm going from 6 n a tiny bit mm to 6.5mm you are going to get BIG INCREASE in preformance?????
going to 7mm will do so..either .277 or .284 or even better still .308/7.62mm
not knocking it just SUGGESTING you look hard at numbers before commiting funds to something that possibly WONT be much different to what you already have.
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