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.44 Magnum: New armor protects against 8.1 g (125 gr) .357 SIG FMJ Flat Nose (FN) bullets at a velocity of 448 m/s ± 9.1 m/s (1470 ft/s ± 30 ft/s) 15.6 g (240 gr) .44 Magnum Semi Jacketed Hollow Point (SJHP) bullets at a velocity of 436 m/s (1430 ft/s ± 30 ft/s). Conditioned armor protects against
Conversion from kilo grain feet per second to newton-seconds is trivial, since both the grain and foot is based on SI units. One troy grain is defined as 0.064 798 91 grams exactly [ 1 ] and one international foot is defined as 0.3048 meters , giving the exact conversion factor of 0.019 750 707 768 .
The media attention gathered by the .38/44 and its ammunition encouraged Smith & Wesson to develop the longer .357 Magnum cartridge in 1935. The .38/44 was an option for purchasers unwilling to pay the premium pricing of the new .357 Magnum revolvers. The .38/44 revolvers were available with either a blued or nickel-plated finish.
Smith & Wesson M&P in .38 Special produced in 1899 A .38 Special Jacketed Soft Point round Air Force issue Smith & Wesson Model 15-4 in .38 Special In 1930, Smith & Wesson introduced a large-frame 38 Special revolver with a 5-inch barrel and fixed sights intended for police use, the Smith & Wesson 38/44 Heavy Duty .
While as early as 1955 Keith had suggested a new, medium-powered ".41 Special" cartridge, this idea was passed over in favor of the higher-powered "Magnum" option, and the Special survives only as a custom wildcat cartridge, bearing roughly the same relation to the .41 Magnum as the .38 Special does to the .357 Magnum and as the .44 Special ...
Despite the ".44" designation, guns chambered for the .44 Magnum round, its parent case, the .44 Special, and the .44 Special's parent case, the .44 Russian all use 0.429 in (10.9 mm) diameter bullets. [3] The .44 Magnum is based on the .44 Special case but lengthened and loaded to higher pressures for greater velocity and energy.
The .44 Smith & Wesson Special, also commonly known as .44 S&W Special, .44 Special, .44 Spl, .44 Spc, or 10.9×29mmR, is a smokeless powder center fire metallic revolver cartridge developed by Smith & Wesson in 1907 as the standard chambering for their New Century revolver, introduced in 1908.
The .38 S&W, also commonly known as .38 S&W Short (referred to as such to differentiate it from .38 Long Colt and .38 Special), 9×20mmR, .38 Colt NP (New Police), or .38/200, is a revolver cartridge developed by Smith & Wesson in 1877. Versions of the cartridge were the standard revolver cartridges of the British military from 1922 to 1963, in ...