About This

• This is a one-piece, non-adjustable cylinder-type gauge for checking fired and resized cartridge cas
• Used to compare cartridges against the minimum and maximum SAAMI cartridge dimensions
• The item description will indicate if the headspace gauge is Adjustable
• Drop a fired case into the gauge. Take a measurement on headspace.
• Now once the initial measurement is taken, slowly dial in the full length sizer until there is a 0.