Greetings @noelfj,
Is the barrel a two or 5 groove or other barrel. .303 rifles are not designed to shoot groove dia projectiles so excess pressures may result. Are you sure of your measurements as .323 sounds awfully large even for a ,303.
GPM.
Greetings @noelfj,
Is the barrel a two or 5 groove or other barrel. .303 rifles are not designed to shoot groove dia projectiles so excess pressures may result. Are you sure of your measurements as .323 sounds awfully large even for a ,303.
GPM.
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