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Marine Corps Enlisted Job Descriptions

MOS 0331 -- Machine Gunner

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Type of MOS : PMOS

Rank Range: Sgt to Pvt

Job Description: The machine gunner is responsible for the tactical employment of the 7.62 mm medium machine-gun, the 50 cal., and 40mm heavy machine-gun, and their support vehicle. Machine gunners provide direct fire in support of the rifle and LAR squads/platoons/companies and the infantry and LAF: battalions. They are located in the weapons platoons of the rifle and LAR companies and the weapons company of the infantry battalion. Noncommissioned officers are assigned as team leaders and squad leaders/section leaders.

Job Requirements:

(1) Must possess a GT score of 80 or higher.

(2) Complete the Machine Gunner Course at the School of Infantry, East or West.

Duties: For a complete listing of duties and tasks, refer to NAVMC Directive 3500.87, Training and Readiness Manual.

Related Department of Labor Occupation Codes :

Infantry Weapons Crewmember 378.684- 026.

Related Marine Corps Jobs:

(1) Rifleman, 0311.

(2) Antitank Missileman, 0352.

Above information derived from MCBUL 1200, parts 2 and 3

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