Lets you set your primer seater to one adjustment, with no need to readjust the punch for different brands of hulls. Makes reloading fater and simpler. Can be retrofitted to nearly any 366 Auto and works with 12 or 20 gauge.
Specifications and Features:
Hornady 366 Auto Spring Loaded Primer Seater
Can be retrofitted to nearly any 366 Auto
Works with 12 or 20 gauge