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.177 Caliber
Diabolos airgun pellets cal 177
Air gun pellets .177 caliber
Type Target, hunting
Place of origin U.S.A
Service history
In service 1940-Present
Production history
Designed 1940
Manufacturer Crosman, Gamo, RWS Dynamit Nobel, Haendler & Natermann, etc.
Variants Match, Magnum, Hunter, Ball, Hollow Point, Pointed
Specifications
Bullet diameter 0.172-inch (4.4 mm)

.177 caliber (4.5mm) is the smallest size of pellets widely used in air guns, and is the only caliber generally accepted for formal target competition. It is also sometimes used for hunting small game, and in field target competition, where it competes with .20 caliber (5 mm) and .22 caliber (5.5 mm) rifles. Compared with a .22 pellet, the .177 travels faster and on a flatter trajectory. This is the reason for it being used in target competitions as the competitor does not have to adjust for drop very much. In hunting, the .177 is in general inferior to .22 calibre pellets as it is smaller thus causing less impact damage. Heavier pellets can however increase its effectiveness.

Steel BB shot is 0.175-inch (4.4 mm) diameter. Some air guns are designed to accept .177 pellets, or .177 lead shot, or .175 steel BBs interchangeably.

The .17 caliber (actually 0.172-inch (4.4 mm) or 4.37 mm diameter) is the smallest size bullet that is widely available for use in firearms, both in rimfire (.17 HMR) and centerfire (.17 Remington) ammunition. Production of .14 caliber barrels, rifles and bullets is a cottage industry in the US, while .12 and .10 caliber rifles have been made on an experimental basis.

See cartridge for a discussion of the recommended uses of most sizes of ammunition.

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See also[]

All or a portion of this article consists of text from Wikipedia, and is therefore Creative Commons Licensed under GFDL.
The original article can be found at .177 caliber and the edit history here.
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