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rantingredneck · February 2, 2010, 11:07 AM

Standard diameter for .30-30 is .309. Standard diameter for .308 is .308. Not sure what the downside to using a slightly undersized bullet would be, other than poor accuracy (maybe). The bigger issue is one you've already hit upon and that is that pointy bullets and lever guns don't mix. Potential for catastrophe from primers being set off by the next bullet in line under recoil. If it's for a bolt action or single shot .30-30 it's OK, but it's important to clearly mark the ammo boxes so that somebody doesn't screw up sometime down the road and try to shoot them from a lever gun.

Another consideration would be the liability of loading for someone else.

Edit: upon further research it appears as if .307-.308 is standard for .30-30. Pulled that .309 figure off this website.

February 2, 2010, 11:07 AM	#2
rantingredneck Senior Member Join Date: January 12, 2007 Location: North Carolina Posts: 4,728	Standard diameter for .30-30 is .309. Standard diameter for .308 is .308. Not sure what the downside to using a slightly undersized bullet would be, other than poor accuracy (maybe). The bigger issue is one you've already hit upon and that is that pointy bullets and lever guns don't mix. Potential for catastrophe from primers being set off by the next bullet in line under recoil. If it's for a bolt action or single shot .30-30 it's OK, but it's important to clearly mark the ammo boxes so that somebody doesn't screw up sometime down the road and try to shoot them from a lever gun. Another consideration would be the liability of loading for someone else. Edit: upon further research it appears as if .307-.308 is standard for .30-30. Pulled that .309 figure off this website. __________________ NRA Member NC Hunter's Education Instructor PCCA Member (What's PCCA you ask? <- Check the link) Last edited by rantingredneck; February 2, 2010 at 02:41 PM. Reason: Bullet diameter info.....