What is the M2HB Locking System?

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Multiple Choice

What is the M2HB Locking System?

Explanation:
How the M2HB locks and cycles: the heavy Browning .50 cal is recoil-operated with a locked breech, and it has selectable-fire capability (semi-auto and full-auto). After a round is fired, the barrel and bolt recoil together for a short distance while the breech remains locked during the high-pressure portion; once pressure drops, the bolt unlocks to extract and eject. This combination—recoil operation plus the ability to fire in either semi- or full-auto mode—best describes its locking system. It isn’t gas-delayed or lever action, and while other designs may use a rotating bolt, the defining feature here is recoil operation with select-fire capability.

How the M2HB locks and cycles: the heavy Browning .50 cal is recoil-operated with a locked breech, and it has selectable-fire capability (semi-auto and full-auto). After a round is fired, the barrel and bolt recoil together for a short distance while the breech remains locked during the high-pressure portion; once pressure drops, the bolt unlocks to extract and eject. This combination—recoil operation plus the ability to fire in either semi- or full-auto mode—best describes its locking system. It isn’t gas-delayed or lever action, and while other designs may use a rotating bolt, the defining feature here is recoil operation with select-fire capability.

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