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The Ordnance QF 25-pounder, or more simply 25-pounder or 25-pdr, with a calibre of 3.45 inches (87.6 mm), was a piece of field artillery used by British and Commonwealth forces in the Second World War. Durable, easy to operate and versatile, [2] it was the most produced and used British field gun and gun-howitzer during the war.
ME: Muzzle energy, in foot-pounds; P: Momentum, in pound (force) (lbf) times seconds. [1] A guide to the recoil from the cartridge, and an indicator of bullet penetration potential. The .30-06 Springfield (at 2.064 lbf-s) is considered the upper limit for tolerable recoil for inexperienced rifle shooters. [2] Chg: Propellant charge, in grains
The .25-20 Winchester / 6.6x33mmR, or WCF (Winchester center fire), intermediate cartridge was developed around 1895 for the Winchester Model 1892 lever action rifle. It was based on necking down the .32-20 Winchester. In the early 20th century, it was a popular small game and varmint round, developing around 1,460 ft/s with 86-grain bullets ...
Pellet exiting muzzle, with formula for energy overlaid.. Muzzle energy is the kinetic energy of a bullet as it is expelled from the muzzle of a firearm. Without consideration of factors such as aerodynamics and gravity for the sake of comparison, muzzle energy is used as a rough indication of the destructive potential of a given firearm or cartridge.
To differentiate from the related .25 Stevens Short it is sometimes also referred to as .25 Stevens Long. [ 2 ] Developed by J. Stevens Arms & Tool Company and Peters Cartridge Company , [ 1 ] it was developed between 1898 and 1900; catalogs suggest it was introduced in 1898, but most sources agree on 1900. [ 1 ]
It was also found that the usual 20 or 21 gr (1.30 or 1.36 g) black powder charge of the shorter [3] 25-21 offered "practically the same ballistics" as 24 or 25 gr (1.56 or 1.62 g) in the .25-25. The switch to smokeless powder only exacerbated the problem, due to the small charge. [ 1 ]
The .25-06 Remington was a wildcat cartridge for nearly half a century before finally being standardized by Remington in 1969.. Its design was based on the .30-06 Springfield cartridge necked-down (case opening made narrower) to .257 caliber keeping a similar cartridge length of its parent case, thus being chambered in standard-length actions.
Two-headed bullets (angels) were similar but made of two halves of a ball rather than two balls. [1] Canister shot An anti-personnel projectile which included many small iron round shot or lead musket balls in a metal can, which broke up when fired, scattering the shot throughout the enemy personnel, like a large shotgun. Shrapnel or spherical ...