stupid question of the day


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mm1ut1
May 24, 2010, 10:37 PM
For a rifle with a groove diameter of .310" what size fmj bullet diameter should I use ? :o

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Walkalong
May 24, 2010, 10:44 PM
.308 to .311 will work just fine by most accounts, but I will wait for the experts in that area to chime in.

Krochus has done a lot of work in that area.

Lee Roder
May 24, 2010, 11:03 PM
Wouldn't it depend on the bullet profile? Would a boat tail obturate to the same extent as a flat base?

:confused:

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