Lee 300 Win Mag. Case Length Gauge/Shell Holder Md: 90142
After a case has been loaded a few times, it will stretch beyond maximum length and must be trimmed. The case length gauge (pilot) and shell holder must be ordered as case length gauge and shell holder for each caliber.
Type: Case Length Gauge W/Shell Holder Caliber: 300 Win Mag Size: N/A Quantity: Two Piece Weight: N/A