All Weatherby RPM cartridges have a rebated rim of .473" diameter with a .500” case body. These are basically the .284 Winchester case head and base dimensions. This case design allows using standard 30-06 Springfield/308 Winchester bolts but have a larger case capacity at a given case...
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David Freeman I have become a fan of the 5.7x28mm cartridge as the result of reviewing pistols in that caliber by FN Herstal, Ruger and Smith & Wesson. Palmetto State Armory released a 5.7x28mm pistol a couple of years ago. That one, called the “Rock,” is the subject of this review. The 5...