Flame cutting (firearms)Flame cutting is a destructive phenomenon that occurs in some firearms (usually revolvers) as a result of hot gases under high pressure. The most common manifestation is on the underside of a revolver top strap, where the hot, high-velocity gases released when a round is fired begin to cut through just above and in front of the cylinder.[1] In most cases, this is self-limiting; eventually, the depth of the cut will place the undamaged material far enough away that the heat and pressure of the gas will have dissipated to harmless levels.[2] This limiting tends to occur before structural integrity is compromised. References
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