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The Mark 3 was a 48.9 calibers built-up gun designed and built in the United Kingdom for use in the two New Orleans-class protected cruisers that the US Navy had purchased from the United Kingdom before the Spanish–American War. They were based on the British 4.7-inch Gun Mark IV, but a non-standard export model, the standard Mark IV was 40 ...
The 8"/35 caliber gun Mark 3 and Mark 4 (spoken "eight-inch-thirty-five--caliber") were used for the main batteries of the United States Navy's first armored cruisers and the secondary batteries for their first battleships, the Indiana-class. The 8"/40 caliber gun Mark 5 initially armed the Pennsylvania-class armored cruisers. [1]
The 3-inch/50-caliber gun (Mark 22) was a semiautomatic anti-aircraft weapon with a power-driven automatic loader and was fitted as single and twin mounts. The single mount was to be exchanged for a twin 40 mm antiaircraft gun mount, and the twin 3-inch/50 for a quadruple 40 mm mount, on Essex -class aircraft carriers , and Allen M. Sumner and ...
A view through the Mark III Free Gun Reflector Sight, first produced in 1943, used on British army guns, naval guns, and as a pilot sight and a defensive gun sight on aircraft. The reticle image in this sight is produced by an optical collimator bounced off a beam splitter.
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YouTube is the most-used social media app in the U.S. and has a large gun culture featuring people sometimes known as “gunfluencers”: social media stars and would-be stars who promote firearms ...
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