Asquare = side2 side = Asquare1/2 = (64)1/2 = 8 inches perimeter = 4 * side = 32 inches
about .309 caliber, which is roughly .31 caliber. Assuming that you meant 7.85 millimeter. Since there are 25.4mm / inch, you take 7.85 divided by 25.4 to get caliber (in hundredth of an inch).
No But the Caliber is the same but theres more powder in the 223
no that is a 3-0-8 it is 30 caliber a 223 is 5.56 mm it is 22.3 caliber
500 + 500 = 1000
4 of them.
500
500 s&w
50-500 usd
100-500
100-500 USD
50-500 usd
In excellent condition, about $500.
50-500 USD or so
100-500 USD
50-500 usd
$500-$600