How Is Gun Caliber Determined?

Answer

Gun caliber is measured in two ways, sometimes it is the measured using the diameter of the projectile and sometimes using the diameter of the barrel. An example of this measurement is 7.62 mm is 308 cal.
1 Additional Answer
Caliber is determined by the bullet diameter, and is then expressed as either in hundredths of an inch (like .45), or metric (like a 9mm),
Q&A Related to "How Is Gun Caliber Determined?"
The size of the hole in the barrel. Since there are high and low grooves cut to spin the bullet, it is the distance between the high places (called the "land" of the rifling
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Caliber is the diameter of the inside of a tube or in the case of a gun which it is most used in reference to the guns barrel it is used to measure the inside diameter in hundredths
http://answers.ask.com/Hobbies/Guns_and_Knives/wha...
1. Put a sheet of newspaper on a work surface. Hold the disposable plastic pen at the back end with your left hand. Hold the pliers in your right hand (reverse this for left-handed
http://www.ehow.com/how_6470765_prepare-_22_calibe...
In the absence of any markings the easiest and safest method would be to carry them to a qualified gunsmith and let him determine their caliber. He can do this and make a definite
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The size of the hole in the barrel. Since there are high and low grooves cut to spin the bullet, it is the distance between the high places (called the "land ...
Determining the caliber of a gun should be as simple as looking on the barrel. It should be marked in very legible numbers and letters. If you have a gun that ...
The difference in gun calibers are differences in the size of the bore. There are usually determined by the size of the bore of the gun or the outer diameter of ...
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