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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.
25×137mm M793 target practice with tracer (TP-T) rounds for the MK-38 being inspected 25 mm caliber is a range of autocannon ammunition. It includes the NATO standardized Swiss 25×137mm, the Swiss 25×184mm, the Soviet 25x218mmSR, and the Chinese 25×183mmB.
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; Dia: Bullet diameter, in inches
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.
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 ...
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 ]
While the .25-25 was popular, the .25-21 offered "practically the same performance and was a little cleaner shooting." [2] It was also found the usual 20 or 21 gr (1.30 or 1.36 g) black powder charge of the shorter, bottlenecked .25-21 offered "practically the same ballistics" as 24 or 25 gr (1.56 or 1.62 g) in the .25-25. It was highly ...
In reality, the .25 ACP tends to perform better than the .22 LR in pocket pistols, and the maximum pressure of the .25 is higher than the .22. [22] [23] In an 18-inch barrel, a .25 ACP performs similarly to a .22 LR, with a 50 grain projectile traveling at about 1000 feet per second and producing in excess of 100 foot-pounds of energy. [24] [25]