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A rifled breech loader (RBL) is an artillery piece which, unlike the smoothbore cannon and rifled muzzle loader which preceded it, has rifling in the barrel and is loaded from the breech at the rear of the gun. The spin imparted by the gun's rifling gives projectiles directional stability and increased range. Loading from the rear of the gun ...
Breech-loading firearm that belonged to Philip V of Spain, made by A. Tienza, Madrid circa 1715. It came with a ready-to-load reusable cartridge. This is a miquelet system. Mechanism of Philip V's breech-loading firearm (detail) The breech mechanism of the Ferguson rifle. Breech-loading firearms are known from the 16th century.
In the United Kingdom, these problems surfaced in the RBL 7-inch Armstrong gun a.k.a. the 110-pounder. This was an early British 178 mm rifled built-up breech loader. When the problems could not be solved, production of the 110-pounder was discontinued in 1864, and the United Kingdom reverted to muzzle loaders for the higher cailbers.
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 ...
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 EOC 12-inch L/27.5 was of about the same outer dimensions as the 12-inch Mk I ...
The abandonment of the Armstrong breech-loading design led Britain to begin a major program of building rifled muzzle-loaders to equip its fleet. The Armstrong 110-pound gun was succeeded by various RML 7 and 8-inch guns. 7-inch Armstrong breech-loaders under construction at the time of cancellation were completed as RML 64-pounder muzzle-loaders.
Meanwhile, the Prussian Navy had a 15 cm gun with double wedge breech and a weight of 60 Zentners (3,000 kg) changed for an increased charge. [18] This gun was tested in Fall 1868. In detail, it was a massive cast steel breechloader of 3050 kg including the double wedge breech block. The length of bore was 2,084 mm.
The Armstrong Breech Loading 20-pounder gun, later known as RBL 20-pounder, was an early modern 3.75-inch rifled breech-loading light gun of 1859. History [ edit ]