the .307 Winchester is semi rimmed to aid in extraction. I believe it does not headspace on the rim but on the shoulders, like the .308 Win. See if it will cycle .308 and you should be OK for brass.
Type: Posts; User: Cordite
the .307 Winchester is semi rimmed to aid in extraction. I believe it does not headspace on the rim but on the shoulders, like the .308 Win. See if it will cycle .308 and you should be OK for brass.