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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.
There is a modern revolver of Russian design, the OTs-38, [54] which uses ammunition that incorporates the silencing mechanism into the cartridge case, making the gap between cylinder and barrel irrelevant as far as the suppression issue is concerned. The OTs-38 does need an unusually close and precise fit between the cylinder and barrel due to ...
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]
However, the .500 Bushwhacker cartridge can generate 3,004.6 ft/s (916 m/s) with a 230-grain bullet from a 14-inch (356 mm) revolver. [ 6 ] The .460 cartridge achieves high velocities by combining light-for-caliber bullets, a large case capacity, and the high chamber pressures (65,000 psi maximum) typical of magnum rifle cartridges.
Colt revolver cylinders rotate clockwise compared to counter-clockwise of other revolvers (like Smith & Wesson or Ruger). When the revolver is at full cock, just as the trigger is pressed, the cylinder locks up for the duration of the hammer strike. As the trigger is pressed, the cylinder moves into lockup by the hand, and it is locked tightly.
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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 ...