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All metal-linked ammunition was reserved for the Army Air Force and Naval Aviation. When the US Army Air Force .30-caliber machine gun was superseded by the .50-caliber machine gun mid-war, all .30-caliber ammunition began to be belted in M1 250-round belts for infantry use or M3 100-round woven belts for use in vehicles and tanks.
The .500 Linebaugh utilizes a bore diameter of .500" with the corresponding bullet diameter of .510", the same as the .50 BMG and other .50 caliber rifles, while the .50 Action Express, .500 S&W Magnum, and .500 S&W Special use .490" bore diameters and correspondingly smaller .500" bullet diameters. The smaller .500" diameter was further ...
The Mk 211 is a very popular .50 caliber sniper round used in the Barrett M82 rifle and other .50 BMG rifles. [4] It is also often used in heavy machine guns such as the M2 Browning, but not the M85. Due to its popularity, several U.S. arms manufacturers produce the round under license from NAMMO Raufoss AS. [6]
The Whisper family was developed as a line of accurate, multi-purpose cartridges using relatively heavy rifle bullets for a given caliber in subsonic loads. [1] [2] [3] The intention was to create an extremely accurate cartridge family for military, police, competition and specialized hunting markets that could also be easily sound suppressed.
The magazine well in the grip frame has thinner walls than a standard M1911 to accommodate the .50 GI's wider magazine, and the frame feed ramp is contoured with a more open radius for the larger-diameter .50-caliber bullet. Both are machined from heat-treated forgings, and the Model No. 1's hammer and sear are machined from tool steel.
While this venture was a success, Linebaugh was intrigued by Wheeler and Topping's work, and decided to pursue a .50 caliber handgun cartridge of his own. [ 1 ] The cartridge case itself was designed by cutting off the .348 Winchester case to 1.405 in (35.7 mm), opening the case mouth to accept a .510 caliber (12.95 mm) bullet, and reaming the ...
A variation on the M23, the XM59/M59 was modified to accept either an XM213/M213.50 caliber machine gun or an XM175 40 mm grenade launcher in addition to being able to mount the M60 machine gun. [15] XM93/XM93E1; This armament subsystem provides door mounts for long fuselage UH-1s (UH-1D/H/N) for two M134 7.62×51mm Miniguns.
Introduced for the Remington Navy single-shot, rolling block pistol in 1865, the low-velocity round loaded a 290 gr (19 g; 0.66 oz) bullet over 23 gr (1.5 g; 0.053 oz) of black powder.