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The 3-inch ordnance rifle was mounted on the standard carriage for the 6-pounder field gun. Because its projectile was heavier than a 6-pound shot, the 3-inch rifle's greater recoil sometimes caused damage to the trail or the cheek pieces of the carriage. [17] The 6-pounder carriage weighed 900 lb (408 kg). [18]
The 3-inch round was chosen because it was the smallest caliber ammunition that could be fitted with a VT radar proximity fuze. The twin barrel mount was believed to be more effective against faster aircraft and guided missiles than the single mounted 5"/54 caliber Mark 42 gun , hence, the single barrel version of the Mark 26 never saw service use.
3.8-inch Gun, Models of 1904 and 1907 Similar to the 3-inch gun, but scaled up with a significantly longer barrel - 111.25 inches (2.826 m) overall gun body length instead of 87.8 inches (2.23 m) - in a larger caliber, with a lengthened recoil - 58.5 inches (1.49 m) instead of 45 inches (1.1 m) - as well as with a different extractor.
It was determined that the weapon was too heavy and had too much recoil for mobile mountings, so a new weapon based on the barrel of the lighter and less powerful 3-inch gun M1898 was developed, designated the 3-inch gun M1918. This was the standard US anti-aircraft gun until partially replaced by the 3-inch gun M3 in 1930; some M1918 guns saw ...
The 3"/21 caliber gun (spoken "three-inch-twenty-one-caliber") was a field gun for United States Navy and United States Marine Corps. They were a simple horse-drawn artillery gun that were mostly used by the Marines.
The Pindad SPR (abbreviation from Indonesian: Senapan Penembak Runduk, Sniper Rifle) is a family of sniper rifles made by Pindad. The gun allows the shooter to adjust the height of the position and stability by regulating the bipod of the rifle located on the bottom front of the handguard. The SPR is available in four variants.
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 ...
In 1992, the 3-inch/50-caliber main battery on USCGC Storis was removed and was supposedly the last 3-inch/50-caliber gun in service aboard any US warship, although US Navy Charleston-class amphibious cargo ships retained their forward mounts until USS El Paso (LKA-117) was decommissioned in 1994.