10 gauge
ABOUT .72 caliber. I say about because the degree of choke on a shotgun changes the muzzle diameter.
.61 Caliber is the same as 20 gauge. Rifles are generally measured in caliber which is expressed as bore diameter. A .44 magnum means a .44 inch bore; similarly countries with the metric system use metric bore measurements (ie. 9mm Luger) Shotgun measurements are expressed in gauges. Gauge measurements are fractions of a 1 pound ball of lead. A one gauge shotgun shoots a one pound ball of lead. A 12 gauge takes 12 round lead balls to equal a pound and a 10 gauge equals a tenth of a pound. The smaller the gauge; the larger the bore. The only shotgun I am aware of that is measured differently is the .410 shotgun which is approximately .45 caliber or a 67.62 gauge.
4-10 is not a gauge. It's a caliber and it written as .410. It a decimal fraction indicating a bore size of forty-one hundredths of an inch.
gauge
Shotguns are described by gauge, not caliber. It should be marked on the barrels as to which is the correct ammuntion and gauge. Shotguns are described by gauge, not caliber. It should be marked on the barrels as to which is the correct ammuntion and gauge.
Properly written as .10 caliber (notice the decimal ?) a .10 caliber firearm would fire a VERY tiny bullet- 1/10th of an inch in diameter- less than half the size of a .22 caliber. However, since very few firms have ever made a cartridge that tiny, you MAY be referring to a 10 GAUGE shotgun- which is VERY large- about 3/4ths of an inch in diameter. With shotguns, the smaller the gauge, the bigger the shell.
the 12 guage is a caliber not a gun
the caliber or gauge
The term 12 gauge is used to describe the caliber(bore diameter)of your shotgun.A 12 gauge barrel is 72 caliber,but the word gauge is used so people can determine you are talking about a shotgun,instead of a rifle.
Shotguns are described by GAUGE not caliber. Most are marked on the barrel as to the gauge and correct ammuntion for use.
Shotguns are refered to by "gauge" not "caliber". It should be marked on the barrel.