BB gun

（重定向自BB Guns）

BB pistol with CO2 cartridges and BBs. It can shoot at up to 480 feet per second (150 m/s)[1]

BB gun injury: pellet penetrates inside a hand

BB guns are a type of air gun designed to fire spherical projectiles similar to shot pellets of approximately the same size. Modern BB guns usually have a barrel with a bore and caliber of 4.5 mm (0.177 in) and are available in many varieties. BB shot for modern BB guns is usually steel, plated either with zinc or copper to resist corrosion, and measure 4.3 to 4.4 mm (0.171 to 0.173 in) in diameter. Some manufacturers still make lead balls of slightly larger diameter and which are generally intended for use in rifled BB gun barrels.

单词	BB Guns
释义	BB Guns 英语百科 BB gun （重定向自BB Guns） BB guns are a type of air gun designed to fire spherical projectiles similar to shot pellets of approximately the same size. Modern BB guns usually have a barrel with a bore and caliber of 4.5 mm (0.177 in) and are available in many varieties. BB shot for modern BB guns is usually steel, plated either with zinc or copper to resist corrosion, and measure 4.3 to 4.4 mm (0.171 to 0.173 in) in diameter. Some manufacturers still make lead balls of slightly larger diameter and which are generally intended for use in rifled BB gun barrels.
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