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Marine Corps MOS · Combat & Infantry

0311 Rifleman

Current service use not established

This code is listed in the directory. Inclusion alone does not confirm current service use.

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Overview

A Rifleman employs the M4 Service Rifle, M320 Grenade Launcher, M3E1 multi-purpose anti-armor anti-personnel weapons system, and M27 Infantry Automatic Rifle during scouting, assault, and close combat operations. Riflemen form the nucleus of fire teams, rifle squads, LAR scout teams, and infantry battalion scout platoons, while noncommissioned officers lead fire teams, scout teams, and rifle squads.

Minimum ASVAB: CL 90 or GT 90

ASVAB policy: Not policy-reviewed · coverage unknown · as of 2026-10-19

Program scope has not been reviewed.

Policy applicability and coverage of the program's score routes have not been reviewed. Shown-route arithmetic is not an eligibility decision.

Source: navmc-1200-1l-fy26 (source date 2025-03). Policy applicability has not been established.

See if you would hit this score: free ASVAB practice test

Core Skills

  • Infantry and reconnaissance scout team operations
  • Grenade launcher and multipurpose anti-armor weapons employment
  • Fire team and rifle squad leadership (NCOs)

Civilian Career Paths

Career associations are editorial assessments of the cited evidence, not an official crosswalk unless the evidence explicitly says so. O*NET supplies civilian occupation information, not proof of a military match. Related experience does not confer civilian qualifications. Tasks and tools below describe civilian work, not military training.

Security Guards

Infantry scouting and weapons employment provide transferable experience for site patrol and armed security duties.

How to prepare: Review your state's guard licensing process and identify training that meets its requirements. Most states require guard licenses, generally with a minimum age of 18, a background check and training; armed roles usually require weapons licensing and stricter entry checks.

What the civilian work involves
  • Lock doors and gates of entrances and exits to secure buildings.
  • Patrol industrial or commercial premises to prevent and detect signs of intrusion and ensure security of doors, windows, and gates.
  • Answer alarms and investigate disturbances.

Protective Security Specialist (PSS) | WPSIII

Scouting, close-combat duties and M4 employment overlap with this opening's armed protective and quick-reaction work.

How to prepare: Ask the employer to review documentation of at least three years of bodyguard, designated convoy-security or armed-security work for government or government-licensed armed-protection providers. This Baghdad WPSIII opening also requires a DD-214 when claiming military experience, qualification and requalification on the Glock-19, M4, M240 and M249, and a maintained 65% Physical Readiness Test performance level.

What the civilian work involves
  • Perform day-to-day personal protective security functions.
  • Participate in advance security preparations.
  • Serve as a member of a QRF as assigned.
Civilian tools and software (examples)
  • M4

Training & Development

Choose credentials for your target role. COOL funding markers describe program listings, not a guarantee of eligibility or funding.

Getting Started

  • Associate Protection Professional (APP) · Funded

    Build knowledge of security fundamentals, risk management and response management for guard work.

    Eligibility and preparation: Full-time security-related employment and at least one year of compensated security experience; ASIS may approve six months with an approved related certification. Current employment is not required.

    For: Security Guards

Notes & Sources

Evidence for this guidance (6 documents)
  1. NAVMC 1200.1M, FY27 Military Occupational Specialties Manual, MOS 0311

    [1] Chapter 26, paragraph 3.a Summary; cached text data/sources/text/navmc-1200-1m_fy27_2026-08.txt:26624-26634

    Supports: Infantry and reconnaissance scout team operations, Grenade launcher and multipurpose anti-armor weapons employment, Fire team and rifle squad leadership (NCOs), Security Guards (O*NET 33-9032.00), Protective Security Specialist (PSS) | WPSIII

  2. O*NET: Security Guards

    [2] O*NET 30.3 occupational data

    Supports: Security Guards (O*NET 33-9032.00)

  3. Bureau of Labor Statistics: Security Guards and Gambling Surveillance Officers

    [3] How to Become One; Licenses, Certifications, and Registrations; page dated 2026-08-27, retrieved 2026-09-23

    Supports: Security Guards (O*NET 33-9032.00)

  4. Constellis: Protective Security Specialist (PSS) | WPSIII, Baghdad, Iraq (Department of State)

    [4] POSITION SUMMARY, RESPONSIBILITIES, and QUALIFICATIONS; posting rechecked 2026-09-23

    Supports: Protective Security Specialist (PSS) | WPSIII

  5. COOL credential mapping: Associate Protection Professional (APP)

    [5] 0311 cached COOL credential feed

    Supports: Associate Protection Professional (APP)

  6. ASIS International Board Certification Handbook, updated 4 August 2026

    [6] Page 10, APP Board Certification in Security Fundamentals; page 8, eligibility requirements and preparation recommendation (separate passages)

    Supports: Associate Protection Professional (APP)

Defense contractor jobs for 0311

Descriptions may be summarized for clarity. Verify all information with your branch career counselor or official military documentation before making career decisions.

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