ShaneFl'06
New member
WHat is it? I have Marlin .44mag with a .431 groove dia.Factory bullets are .429,I know they shoot fine and so do the XTP's at .431.But in a Thompson Contender .44mag with a groove dia of .430 which should I shoot.Can I still use the .431 dia XTP's or do I need to go smaller.
[This message has been edited by ShaneFl'06 (edited 03-15-2001).]
[This message has been edited by ShaneFl'06 (edited 03-15-2001).]