The “SHORTY B” is a tough Steel Swage Station Backing Die or Primer Station Backing Die. The Body is CNC Machined Steel with a Black Oxide finish. Heat Treated tool Steel Backer Rod.
Case Backing Die for Swage and Primer stations.
The bore is .550 diameter. This allows for a thick walled mouth adding extreme strength for heavy duty use. However it’s right at home on any press backing cases up to 308win length.
Choose Lg. or Sm. drop in case hold down Backer rod.