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In 1884, the US Ordnance Department increased the bullet weight of the 45–70 to 45–70–500, or a 45 caliber bullet, 70 grains of black powder, and a 500 grain bullet. [3] The new 45-70-500 loading was recorded with a muzzle velocity of 1315.7 feet, and generated 1525 ft lbs of energy at 100 yds, and 562.3 ft lbs of energy at 1,000 yards ...
The M1 ammo crate held a total of 1,000 belted or linked rounds packed in 4 M1 ammo boxes and the later M1A1 ammo crate held a total of 1,000 belted or 1,100 linked rounds packed in M1A1 ammo boxes. There were two .50 M2 ammo boxes to a crate (for a total of 220 belted or 210 linked rounds) with a volume of 0.93 cubic feet.
Derived from the .50-60-400 Joslyn, the cartridge was developed after the unsatisfactory results of the .58 rimfire cartridge for the Springfield Model 1865 rifle. The .50-70 Government cartridge used the Benét internal center-fire primer design and became the official cartridge of the U.S. military in 1866 until being replaced by the .45-70 Government in 1873.
If the bullet velocity is capped at 1,000-Feet Per Second / FPS in order to subdue the noise of firing, then the impact can be improved by increasing the weight of the bullet. The 357 Auto can be loaded with bullets in .358-caliber, while still fitting within the AR-15 COAL of 2.260". Bullet weights are currently available between 225gr-310gr
The .460 S&W, which is a .45 caliber case slight longer than the .500 S&W, takes nearly the same bullets as the .45-70 (.452 vs. .458), and is a virtual twin to the .45-70 performance-wise. Even the guy at S&W who developed the .500 and .460 thinks the .460 is a better hunting cartridge (see here ).
The Taylor KO factor multiplies bullet mass (measured in grains) by muzzle velocity (measured in feet per second) by bullet diameter (measured in inches) and then divides the product by 7,000, converting the value from grains to pounds and giving a numerical value from 0 to ~150 for normal hunting cartridges.
The .500 Linebaugh was designed as a hunting cartridge. It was designed to fire a 440 gr (29 g) bullet at 1,300 ft/s (400 m/s). [4] This particular loading generates 1,650 ft⋅lbf (2,240 J) of energy making this one of the most powerful handgun cartridges put into production. In terms of energy, this is comparable to the .454 Casull cartridge ...
This is a list of firearm cartridges which have bullets in the 11 millimetres ... (2.45) .500/450 Magnum Nitro Express [10] Rimmed, bottleneck ... .45-70 Government [8]