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2,624 ft/s (800 m/s) 30,671 ft⋅lbf (41,584 J) Four bore or 4 bore is a black powder caliber of the 19th century, used for the hunting of large and potentially dangerous game animals. The specifications place this caliber between the larger 2 bore and the smaller 6 bore rifles. This caliber was the quintessential elephant gun caliber of the ...
Note: Use of this table for estimating bullet masses for historical large-bore rifles is limited, as this table assumes the use of round ball, rather than conical bullets; for example, a typical 4-bore rifle from circa 1880 used a 2,000-grain (4.57 oz; 129.60 g) bullet, or sometimes slightly heavier, rather than using a 4-ounce (110 g) round ...
.950 JDJ cases are approximately 70 mm in length, and are based on a 20×110mm case shortened and necked up to accept the .950 in (24.1 mm) bullet. Projectiles are custom-made and most commonly weigh 3,600 grains (230 g) which is 8.2 ounces or over half a pound.
The M1941 rifle used the energy from recoil to cycle the rifle. As the bullet and propellant gases move down the barrel, they impart force on the bolt head which is locked to the barrel. The barrel, together with the bolt, moves a short distance rearward until the bullet leaves the barrel and pressure in the bore drops to safe levels.
The .408 Cheyenne Tactical (designated 408 Chey Tac (10.36×77mm) by the C.I.P.) [3] is a specialized rimless, bottlenecked, centerfire cartridge for military long-range sniper rifles that was developed by Dr. John D. Taylor and machinist William O. Wordman. The round was designed with a possible military need for a cartridge for anti-personnel ...
Even so, it still achieved a ballistic coefficient of only 0.153, which reflects very poor long range capabilities; the .44 Henry is a large and slow bullet, giving poor external ballistics and a great deal of ballistic drop during its trajectory, making hitting a target past 200 yards almost impossible for the average shooter. [4] Modern ...
The .50-90 Sharps, also known as the .50-2" Sharps, is a black-powder rifle cartridge that was introduced by Sharps Rifle Manufacturing Company in 1872 as a buffalo (American bison) hunting round. Like other large black-powder rounds, it incorporates a heavy bullet and a large powder volume, leading to high muzzle energies.
The mechanism of the rifle was not very sturdy and did not do well with such things as dust. The Evans Rifle Manufacturing Company went bankrupt in December 1879, a victim of the post war arms glut and keen competition. A total of almost 15,000 Evans repeating rifles were produced between 1873 and 1879. [3]