Search results

Trim length isn't that critical as headspace is set about midpoint on the .30-06 case shoulder. If you're loading and neck sizing your brass, depending on how tight ot loose of a chamber your gun has, using a case from your gun can make a big difference in COL. The thread on the modified cases...

The .358-378 RG is just a .338-378 Weatherby necked up in one step, or a .378 Weatherby necked down in one step. The case retains the Weatherby double radius shoulder for the sake of simplicity, not necessarily performance. it is far from an original concept and there are some related cites and...