7.62x38R/ 7.62 Nagant, a unique cartridge designed for the M1895 Nagant revolver. In the final two p

7.62x38R/ 7.62 Nagant, a unique cartridge designed for the M1895 Nagant revolver. In the final two photos, the gas-seal process is visible with the cylinder being pushed against the barrel. When fired, the cartridge expands and completes the process. -A