You do a diameter circle!!
It is half of the diameter or radius = diameter/2
The cord of a circle that contains the center of that circle is a diameter of that circle.
The diameter is the measurement of a line that goes right through a circle, through the centre point. In cases where we have a ring or some other such object with multiple circles, we would have an external diameter and an internal diameter. The internal diameter is the diameter of the inner circle. The external diameter is the diameter of the outer circle.
Radius = Diameter/2 Diameter = 2* Radius
0.05 in
Legally, no.
50-500 usd
They are called muzzleloaders simply because the powder and bullet are loaded from the muzzle end of the gun, Here is a page from WIKIpedia that may help answer.http://en.wikipedia.org/wiki/Muzzleloader
Recommend you ask a gunsmith for assistance.
Personal preference is the biggest factor.
100-440 or so
100-700 USD or so
100-365 USD
the groove
You will need to contact SIG to find out.
Can't be answered with the info supplied.