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What is the difference between 308 and 303 if they both use a 30 caliber bullet or do they?
Wiki User
∙ 11y ago
The actual diameter of the bullets are both 30 cal. The brass casings are different for each rifle. Therefore, to distinguish between the two, (since they are both 30 cal, you can't call them both 30 caliber, or else you'd get the bullets mixed up for each rifle) they label the 303 by the diameter between the "lands" (.303 inch from the rifling surfaces in the barrel) the 308 is measured from the grooves. (.308 inch from the depth of the grooves instead of the surface of the lands.) They both fire a 30 caliber bullet, but they are designated using different measurements in order to keep from getting the different size casting mixed up between rifles.
Wiki User
∙ 11y ago
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What is the difference between caliber and millimeter in ammunition?
They're both measurements of the diameter of the round (or the barrel). Caliber is a measurement in inches, and millimeters are millimeters. For instance, a .30 caliber bullet is 30 hundredths of an inch, or 7.62 millimeters in diameter.
What is the difference between a 270 and a 280 rifle?
assuming you are talking calibers and not models the difference between a .270 caliber and a .280 caliber rifle is .1 inches in combustion chamber diameter.both cartridges are based on the 30-06 goverment case.The .270 winchester is necked down and accepts a bullet of .277in.diameter.The 280 remington cartridge is also necked down from the 30-06 goverment case and fires a bullet diameter of .284in. The basic differencebetween both cartridges amounts to the bullet diameter difference of .007in.In other words both cartridges are essentially the same.
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What is difference between scope and superscope?
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