Primary Responsibilities
Serve as the basic infantry rifleman in Marine rifle squads and fire teams.
03xx Infantry / Marine Corps MOS Profile
0311 Rifleman
Riflemen are the core infantry Marines who locate, close with, and destroy the enemy through fire and maneuver and support Marine rifle squads, platoons, and companies.
Code / Pipeline0311
MOS NameRifleman
Category03xx Infantry
Unit Association3/5 / 2nd Recon / Force Recon
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Marine Corps MOS Profile
Responsibilities and Pipeline
Training Pipeline
Complete recruit training.
Billet Progression
This MOS sits inside the Marine ground-combat lane and depends on field discipline, small-unit leadership, communications, weapons proficiency, and repeated field evaluation.
Current Member Tracking
The Current Members section below is populated from command-record MOS data. When a chain of command changes MOS, this page is regenerated to keep the roster link accurate.
USMC Responsibilities
0311 Rifleman is described here by practical Marine Corps duties, billet expectations, and training progression. This section avoids game-language so the page reads like a professional MOS reference.
- Serve as the basic infantry rifleman in Marine rifle squads and fire teams.
- Employ individual weapons, crew-served support when assigned, communications, navigation, patrolling, and fieldcraft.
- Execute offensive, defensive, security, urban, amphibious, and expeditionary infantry tasks.
- Develop toward fire-team leader, squad leader, instructor, or specialty billets.
Training Pipeline
The pathway is shown at a broad public level. Exact prerequisites, screening, quotas, course names, and assignments can change by fiscal year, manpower requirement, medical qualification, command screening, and schoolhouse policy.
- Complete recruit training.
- Complete School of Infantry infantry training / Infantry Marine Course or current entry-level infantry pathway.
- Join an infantry battalion or other infantry billet and complete unit live-fire, field, and readiness training.
- Progress through advanced infantry skills, leadership schools, and billet experience.
Billets And Skill Growth
- Entry-level Marines focus on core tasks, equipment, field discipline, and reliable execution.
- NCOs supervise small teams, enforce standards, plan rehearsals, and train junior Marines.
- SNCOs and officers manage readiness, risk, training plans, inspections, reporting, and integration with adjacent staff sections.
- Instructor and staff billets preserve standards, document lessons learned, and build repeatable training for the next rotation.
Chain of Command Matching Logic
Chain of command records can list a current MOS, prior record MOS, ADMOS, or specialty track. This page shows a member as a Current MOS when the MOS is the member’s active specialty and as Recorded Profile MOS / ADMOS when it appears in the member history.
Rank / Grade Requirements
Grade LaneEnlisted MOS
Entry / Award Basis
Entry-level rifleman MOS after recruit training and infantry training.
Typical Rank Use
Pvt through Sgt for rifleman, fire-team, and squad-level billets; SSgt through MGySgt for platoon sergeant, company operations, and infantry senior-enlisted billets.
Schoolhouse & Qualification Requirements
SchoolhouseSchool of Infantry / Advanced Infantry Training Battalion / Reconnaissance Training Company as applicable
Recruit training, Marine Combat Training or Infantry Marine Course path, then MOS-specific infantry, reconnaissance, scout sniper, weapons, or leader training.
Entry QualificationsScreening / Prerequisites
Must meet infantry screening standards, weapons/field prerequisites, swim or reconnaissance screening where required, medical eligibility, security requirements, and command endorsement for advanced schools.
Associated SchoolsFollow-On Training
- Basic Reconnaissance Course / reconnaissance training pipeline when assigned
- Basic Airborne Course for parachutist-qualified billets
- Military Free-Fall when billet-qualified
- Marine Combatant Diver / dive supervisor track when assigned
- SERE Level C for designated high-risk or special-operations-associated billets
- Scout Sniper / advanced marksmanship schools where applicable
Course titles, quotas, prerequisites, and sequence can change by fiscal year, manpower requirement, medical qualification, and current schoolhouse policy.
Current Members in this MOS
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MOS Association
3/5 / 2nd Recon / Force Recon
This page links the occupation lane to 3/5, 2nd Recon, and Force Recon pathways. Matching chain of command members appear in the Current Members section above.