Double Barrel Vs. Pump
A shotgun is a firearm that uses a single cartridge to propel small shot (small spherical pellets). The most common types are pump-action shotguns and double-barreled shotguns.
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General Use
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Because the shot spreads out on leaving the barrel, hunters use shotguns to shoot moving targets. Sports shooters use shotguns to fire at artificial targets, such as clay pigeons. Clay pigeon or "trap" shooting is an Olympic sport.
Double-Barreled
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Double-barreled shotguns are break-action shotguns. The cartridges are loaded by "breaking" the gun to reveal the barrel openings. The gun cannot be fired when in the open position.
Double-barreled shotguns were developed for the simple reason that two shots are better than one. Unlike pump-action or other cartridge-loading shotguns, double-barreled shotguns allow you to fire the second shot without adjusting your shooting position. You don't need to aim from scratch for the second shot.
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Pump-Action
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Pump-action shotguns have a single, nonbreaking barrel. You load the cartridges into a magazine, often located in the gun stock. You reload the gun fter firing by pulling back on a sliding forearm handle, or "pump." This activates the mechanism for ejecting the spent cartridge and loading a new one from the magazine.
The magazine size of pump-action shotguns vary, but in all cases the capacity is larger than the double-shot capacity of a double-barreled model. Pump-action guns are, therefore, more useful in situations where loading time is at a premium, such as in military or home-defense situations.
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References
Resources
- Photo Credit Aimed shotgun, with depth of field image by cdbdi from Fotolia.com