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Old 01-30-2013, 03:37 PM
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Default gas-sealed revolver

What is meant by a "gas-sealed" revolver. I've seen it in print and on gun forums, but don't know what it is. Thanks
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Old 01-30-2013, 03:41 PM
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Nagant M1895 - Wikipedia, the free encyclopedia
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Old 01-30-2013, 03:47 PM
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Default gas seal

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Originally Posted by cjw3 View Post
Thankyou. Very interesting. I wonder why this technology is no longer used ??
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Old 01-30-2013, 03:50 PM
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Perhaps you are referring to the revolvers like the Russian Nagant. As the round is fired, the cartridge case expands and seals the gap between the cylinder and barrel. The cylinder is drawn back away from the barrel as the cylinder is cycled for the next round, which allows the protruding casing to clear the barrel, it then moves forward as the chamber is aligned for the next round. Incidentally, it's the only type of revolver that can be effectively silenced.

I hope that's what you were referring to,
Good luck, Steve
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Old 01-30-2013, 04:05 PM
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Originally Posted by 3482jl View Post
Thankyou. Very interesting. I wonder why this technology is no longer used ??
It is an overly complicated way to increase velocity, which is much easier to accomplish by working with the ammunition itself.
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