RCBS - Shellholder #37 (416 Rigby) - 99237

If your shell holders don't securely grip the shell and firmly fit into the press during reloading, you're bound to have headspace and sizing problems. At RCBS we manufacture our shell holders to the industry's tightest tolerances, using only the finest steel..416 Rigby.450 Rigby Rimless.500 Jeffery