The 3-inch/23-caliber gun (spoken "three-inch-twenty-three-caliber") was the standard anti-aircraft gun for United States destroyers through World War I and the 1920s. United States naval gun terminology indicates the gun fired a projectile 3 inches (76 mm) in diameter, and the barrel was 23 calibers long (barrel length is 3" × 23 = 69" or 1. ...

Retractable 3"/23 (7.62 cm) on submarine USS O-7 (S-68) circa 1918. Note how the gun barrel fits through the hatch cover and the ready ammunition at the base of the mounting. U.S. Naval Historical Center Photograph # NH 103438.

A 3-inch gun is a gun with a 3-inch bore. Examples include: 3-inch M1902 field gun also M1904, M1905; 3-inch gun M1903 - US coast defense gun, also M1898, M1902 seacoast gun; 3"/50 caliber gun - US dual purpose naval gun; 3"/23 caliber gun - US dual purpose naval gun; QF 3 inch 20 cwt - British anti-aircraft gun; 3-inch Gun M1918 - US anti ...

The GLOCK 23 combines compact dimensions for both open and concealed carry, with minimum weight, despite its substantial magazine capacity in 40 S&W caliber. Having survived endurance tests and use by numerous Law Enforcement agencies, the G23 pistol has repeatedly demonstrated its world-class durability and reliability in the most adverse ...

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Mike Dobrzelecki submitted this excellent set of close-up images of the 3"/23 caliber Poole deck gun on display at the National Museum of the US Navy at the Washington Navy Yard. The Poole gun was the standard deck gun used on submarine chasers in WWI.

Deck Gun: 3"/23-caliber - UVA photo. Tactics & Equipment; Armament: Guns, depth charges and small arms

The 3-inch gun M1918 was a United States 3-inch anti-aircraft gun that entered service in 1918 and served until it was largely superseded by the 3-inch anti-aircraft gun M3 in 1930, though the M1918 remained with some National Guard units until early in World War II. [3] The M3 was subsequently replaced by the M1 90mm AA gun early in World War II, primarily during 1942. [4]

Glock 23 Gen 3 .40 SW 4.02" Barrel 13-Rounds - $388.88 (Email Price) The GLOCK 23 combines compact dimensions for both open and concealed carry, with minimum weight, despite its substantial magazine capacity in 40 S&W caliber. Having survived endurance tests and use by numerous Law Enforcement

The Glock 23 pistol is the smaller \\\"concealed carry\\\" version of the .40 caliber Glock 22, making it a favorite among civilians and off duty officers alike. The compact size of this semi-automatic pistol makes it perfectly tailored for those who desire to carry unnoticed.