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- .177 caliber
- .22 caliber
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.177 caliber GudangMovies21 Rebahinxxi LK21
.177 caliber or 4.5 mm caliber is the smallest diameter of pellets and BB shots 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, like fowl. It is also used in field target competitions, where it competes with .20 caliber (5 mm) and .22 caliber (5.6 mm) rifles.
Steel BBs are typically slightly smaller than lead BBs at 0.175-inch (4.4 mm) diameter, although the bore diameter of the barrel are the same. Some air guns are designed to accept .177 pellets, .177 lead shot, or .175 steel BBs interchangeably.
Relationship between caliber and trajectory
If two guns fire pellets of different weights, the gun firing the lighter pellet must fire it at a higher velocity to achieve the same muzzle energy. This is an important consideration in locations where air guns are legally restricted by muzzle energy. Because a .177 pellet is lighter than a larger caliber pellet of similar design, the .177 pellet can be propelled faster and therefore on a flatter trajectory, without exceeding the legal limit on energy. However, because the lighter projectile has a lower ballistic coefficient, it loses its initial energy to air resistance faster than a heavier, slower pellet. Therefore, a heavier pellet (typically of a larger caliber) may be preferred for hunting.
External links
Information on .177 air rifle pellets
Information on .177 pellets
See also
4 mm caliber
Air gun
Pellet (air gun)
177 (number)
Kata Kunci Pencarian:
.177 caliber - Wikiwand
93 177 Caliber Images, Stock Photos & Vectors | Shutterstock
.177 caliber ammo by MrPorter on DeviantArt
Top 5 .177 Cal Pellets | Airgun Depot
Crosman .177 Caliber Destroyer 250ct Pellets | Replicaairguns.ca
.177 Caliber air pistol with lead pellets Stock Photo - Alamy
Crosman Copperhead BBs, .177 Caliber, 6,000 Rounds - 101870, Pellets ...
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Walther® Colt® 1911 .177 - caliber Pellet Gun - 147555, Air & BB ...