.303 brit projectiles go .312 and cast ones may well be a tad bigger again so might be a good starting point. after all .308 projectiles work well in a .311 bore like the 7.62x39mm so difference...
Type: Posts; User: Micky Duck
.303 brit projectiles go .312 and cast ones may well be a tad bigger again so might be a good starting point. after all .308 projectiles work well in a .311 bore like the 7.62x39mm so difference...