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Would like some thoughts on this , I have a old BSA sporter (Lee Speed) barrel shoot/rusted out , the one I shoot .318 8mm slugs in & it worked a treat , so I'm thinking of getting it rebored to 8mm .323 & rechambering to 8X57JRS , I had some 7x57 Rimmed rounds once & they look very much like a 303 Brit round , so I figure they will feed well from the mag . 8mm was a Lee Speed chambering to so would be legit , I know it was 8X50R-56R or some thing , but close enough & better , easier to find also . Any one know the pressure of this round ? |