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The .25 Remington (also known as the .25 Remington Auto-Loading) is an American rifle cartridge. A rimless, smokeless powder design, this cartridge was considered to be very accurate by period firearm experts and suitable for game up to deer and black bear. [1] It was based on the .30 Remington cartridge. [2]
The prototype for the .220 Swift was developed in 1934–35 by Grosvenor Wotkyns who necked down the .250-3000 Savage as a means of achieving very high velocities. However the final commercial version developed by Winchester is based on the 6mm Lee Navy cartridge necked down, but besides inheriting headspacing on its rim from the parent, a feature already considered obsolete by 1930s, the ...
The 25 WSSM has similar ballistics to the .25-06 but in a much shorter case. It is a necked-up version of the .243 WSSM , [ 1 ] which is in turn a shortened .300 WSM ( Winchester Short Magnum ). The WSSM cartridges are based on ballistics design philosophies that are intended to produce a high level of efficiency.
In comparison to the .22 Long Rifle some sources note that its ballistics suffered from an excessively high trajectory for a rifle cartridge (a drop of 5.1 in (130 mm) at 100 yd (91 m)), [1] while others praise its inherent accuracy, and larger versatility due to being much more powerful, especially when used in revolvers. [2]
The .257 Roberts, also known as .257 Bob, [2] is a medium-powered .25 caliber rifle cartridge.It has been described as the best compromise between the low recoil and flat trajectory of smaller calibers such as the 5 mm (.22 in) and 6 mm (.24 in), and has more energy, but is harder recoiling, similar to larger hunting calibers, such as the 7 mm (.28 in) and 7.62 mm (.30 in).
The standard .25-35 Winchester load is about three times as powerful in muzzle energy as the .25-20 Winchester, a cartridge of similar bore size earlier introduced by Winchester. [3] The .25-35 was valued for its speed, trajectory, and lower recoil. [4] It was a popular round in the Winchester Model 1885 High Wall single-shot rifle.
The .25-25 Stevens was an American centerfire rifle cartridge. [1] Designed by Capt. W. L. Carpenter, 9th U.S. Infantry, [2] in 1895, [1] the .25-25 Stevens was the company's first straight-cased cartridge. [1] It was used in Stevens' single shot Model 44, as well as the Model 44 + 1 ⁄ 2 rifles, which first went on sale in 1903. [1]
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 ...