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The Nagant M1895 revolver has a 7-shot cylinder, the Webley-Fosbery Automatic Revolver has an 8-shot cylinder in .38 ACP, the LeMat Revolver has a 9-shot cylinder, and the Smith & Wesson Model 617 has a 10-shot cylinder in .22 Long Rifle. As a rule, cylinders are not designed to be detached from the firearm (except for cleaning and maintenance).
Because the cylinder of a revolver (where the cartridges are held) must rotate freely, there is a slight gap between the front of the cylinder and the barrel. When a round is fired, the velocity of the bullet is determined by the amount of push it is given by the gunpowder in the cartridge as the bullet leaves the gun.
This revolver uses a unique cartridge whose case extends beyond the tip of the bullet, and a cylinder that moves forward to place the end of the cartridge inside the barrel when ready to fire. This bridges the gap between the cylinder and the barrel, and the case expands to seal the gap when fired.
The Nagant M1895 is a seven-shot, gas-seal revolver designed and produced by Belgian industrialist Léon Nagant for the Russian Empire.. The Nagant M1895 was chambered for a proprietary cartridge, 7.62×38mmR, and features a gas-seal system, in which the cylinder moves forward when the gun is cocked, to close the gap between the cylinder and the barrel, providing a boost to the muzzle velocity ...
At the end of the throat, however, things change. First, the throat in a revolver is at least as long as the maximum overall length of the cartridge; if otherwise the cylinder cannot revolve. The next step is the cylinder gap, the space between the cylinder and barrel.
The barrel-cylinder gap is 0.006 inches (0.15 mm), with a ball-detent lockup between the frame and cylinder crane that provides increased strength. The entire revolver is made of a stainless steel, with a glare-reducing matte black finish. It comes with slip-resistant synthetic grips. [14]
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Double action revolver: A revolver whose trigger performs two actions, firing the round, and cocking the hammer. Double rifle: A rifle that has two barrels, usually of the same caliber. Like shotguns, they are configured either in over-and-under or side-by-side. Drilling: A firearm with three barrels (from the German word drei for three ...