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Springfield Model 1866 breech. The Springfield Model 1866 was the second iteration of the Allin-designed trapdoor breech-loading mechanism. Originally developed as a means of converting rifle muskets to breechloaders, the Allin modification ultimately became the basis for the definitive Springfield Model 1873, the first breech-loading rifle adopted by the United States War Department for ...
Unloading a breechloader is much easier as well, as the ammunition can be unloaded from the breech end and is often doable by hand; unloading muzzle loaders requires drilling into the projectile to drag it out through the whole length of the barrel, and in some cases the guns are simply fired to facilitate unloading process.
The muzzle velocity of the carbine bullet was 1,150 feet per second. The 1884 model rifle generated 1525 ft lbs of energy at 100 yds, and 562.3 ft lbs of energy at 1,000 yards, with a maximum range of 3,500 yards. Velocity chart for the Springfield Model 1884 Force of Impact Chart for the Springfield Model 1884
During the U.S. Civil War, the advantage of breech-loading rifles became obvious.The rifled muskets used during the war had a rate of fire of 2 or 3 rounds per minute. . Breech-loading rifles increased the rate of fire to 8 to 10 rounds per minute with the additional advantage that they can be easily loaded from a prone, rather than standing, position, reducing the rifleman's visible cross ...
Over 50,000 Model 1868 rifles were manufactured, chambered for the .50-70 450 cartridge. This model served as the basis for the definitive Springfield Model 1873 series of rifles in .45-70-405 caliber, which was adopted in 1873 as the standard military longarm of the United States armed forces for the next 20 years.
The EOC 12-inch L/27.5 43-ton gun was a British and Spanish rifled breech-loading naval gun of the early 1880s. The gun probably originated from the troubles that the Woolwich Arsenal faced when it attempted to create the heavy 12-inch Mk I – II breech loader.
The Model 1863 could be converted to breech-loading for about five dollars, at a time when a new rifle would cost about twenty dollars. The conversion of Model 1863 rifles therefore represented a significant cost savings to the U.S. military. The US Military adopted various models like the Springfield Model 1866.
The "Hickok rifle" has a 29.625-inch (75.25 cm) barrel, which is longer than the carbine version's barrel and shorter than the rifle version's barrel, and also has a Kentucky rifle style sloped butt. The trapdoor mechanism is stamped with the year 1870, and the lockplate is stamped with the year 1863, indicating that this rifle was originally ...