What is the AK-47/AKM system of operation described as?

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Multiple Choice

What is the AK-47/AKM system of operation described as?

Explanation:
The AK-47/AKM cycles rounds with a gas-operated piston system. When a round fires, high-pressure gas is tapped from the barrel and drives a long-stroke piston connected to the bolt carrier. That piston pushes the bolt carrier rearward, unlocking the bolt, extracting and ejecting the spent case, and then the return spring resets the mechanism to chamber a new round. The barrel itself stays stationary, which is characteristic of gas-operated, piston-driven designs. That’s why the description “gas-operated piston” fits best. It isn’t straight blowback, which would require a non-locked breech, and it isn’t recoil-operated, which would involve the barrel and bolt moving backward together. The phrase “gas blast” isn’t a standard mechanism description for how the action operates.

The AK-47/AKM cycles rounds with a gas-operated piston system. When a round fires, high-pressure gas is tapped from the barrel and drives a long-stroke piston connected to the bolt carrier. That piston pushes the bolt carrier rearward, unlocking the bolt, extracting and ejecting the spent case, and then the return spring resets the mechanism to chamber a new round. The barrel itself stays stationary, which is characteristic of gas-operated, piston-driven designs.

That’s why the description “gas-operated piston” fits best. It isn’t straight blowback, which would require a non-locked breech, and it isn’t recoil-operated, which would involve the barrel and bolt moving backward together. The phrase “gas blast” isn’t a standard mechanism description for how the action operates.

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