Which weapon is recoil operated?

Which weapon is recoil operated?

• A. MK19
• B. M60
• C. M2
• D. 240B

Answer: (C)

Recoil operation uses the energy of the fired cartridge to drive the action. In a recoil-operated system, the barrel and bolt lock together at firing and move backward as a unit for a short distance, then unlock so the bolt can extract and eject the casing while the movement returns the next round into battery. Among these weapons, the M2 Browning is recoil-operated, while the MK19 and M60 are gas-operated systems and the 240B is also gas-operated. So the recoil-operated choice is the M2.

Recoil operation uses the energy of the fired cartridge to drive the action. In a recoil-operated system, the barrel and bolt lock together at firing and move backward as a unit for a short distance, then unlock so the bolt can extract and eject the casing while the movement returns the next round into battery. Among these weapons, the M2 Browning is recoil-operated, while the MK19 and M60 are gas-operated systems and the 240B is also gas-operated. So the recoil-operated choice is the M2.