that would depend on which 7mm cartridge you are referring too. ie 7mm-08, 7mm Rem mag, etc
7mm generates more pressure.
3006 weeks = 3006 x 7 days = 21,042 days
Need much more information.
Define 7mm. Do you mean 7mm Mauser ( a little less than 30-06), or 7mm Magnum, (a bit more than 30-06)
Both calibers have alot power but the 7mm is more powerful due to the fact that the bullets of the 7mm are in a higher grain than the .308. The 7mm also has a much higher recoil than the 308 and even the 30-06, both calibers have a high standard of performance but its no question the 7mm remington is more powerful
I'm not quite sure about the 3006, but I know that the longest recorded kill shot with a .308 was at about one and a half miles, possibly more.
a little more than a quarter inch
The 30-06 shoots a bullet which is 7.62 mm in diameter, so the 30-06 is "bigger" in that sense. Several different weights of bullet are available in either caliber, so that's an undetermined variable. There are several different 7mm cartridges (7mm Mauser, 7mm Magnum, 7mm H&H, 7mm-08), so you have to be more specific when comparing ballistics.
They are: 1, 2, 3, 6, 9, 18, 167, 334, 501, 1002, 1503, 3006.
it is 3006 cal.
yes