21st Century - Case Holder With Driver Size:408 Graduations of

Graduations of

This points to you having a very tight chambered gun and would assume either an improperly cut reamer or a chamber that was cut below Min Chamber Dimension headspace

but if there is one of these "New" case holders listed for your cartridge it is a good good idea to have both

Universal collet fits all popular cases – no others to buy

Vortex Diamondback HD 20-60x85 Angled Spotting Scope

21st Century - Case Holder With Driver Size:408 Graduations ofThese case holders and drivers are for the 21st Century Lathe (used on the tail stock) and for hand turning with power driver or drill. To determine proper case holder driver you need for your application please refer to the chart here: