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MOS COMPARISON

2111 vs 2311

Small Arms Repairer/Technician (USMC) vs Ammunition Technician (USMC)

Intel

Two Marines in the chow hall: one smells like the field, the other like hydraulic fluid. Both think they have it worse. Both are right.

The 2111 recruiter pitched "keep marine corps small arms operating at peak performance" with the conviction of someone selling timeshares. The 2311 recruiter went with "handle, store, and manage the ammunition that makes every marine corps weapon system lethal" — equally confident, equally creative. The reality for 2111: the M27 IAR that replaced the M249 in infantry has its own personality. For 2311: you will know more about propellants, fuzes, rocket motors, and explosive net equivalent weights than any other Marine, which is genuinely specialized knowledge with serious civilian applications in defense contracting and federal explosives licensing. One of these jobs makes you tough. The other makes you employable. We won't say which.

2111Marines
Small Arms Repairer/Technician
—
Overall ratingNo reviews yet
Do It Again
—
Civilian Pay
$64K
2311Marines
Ammunition Technician
—
Overall ratingNo reviews yet
Do It Again
—
Civilian Pay
$58K
Head to Head
2111
2311
Getting In
ASVAB Line Scores
MM 95
MM 95
Clearance
—
Secret
Pay Grade
Enlisted
Enlisted
Enlistment Bonus
—
Up to $10,000
Training
Training Length
9 wk
8 wk
Pipeline Type
Recruit Training + MCT + Small Arms Repairer School
Recruit Training
Training Location
Ordnance Training Command, Camp Lejeune, NC
Redstone Arsenal, AL
Day-to-Day
Promotion Speed
—
Average
Deployment Tempo
—
Moderate
Career Field
Ordnance
Ordnance
After You Get Out
Civilian Median Pay
$64K
$58K
Top Civilian Career
Electrical and Electronics Engineering Technologists and Technicians
Plant and System Operators
Credentials Earned
—
4 certs
DoD 4-Year Investment
$304K
—

After the Uniform

The part the recruiter skips: what each job actually translates to once you're a civilian — and what it pays.

2111Small Arms Repairer/Technician
Civilian Median Pay
$64K/yr
What It Becomes on the Outside
Electrical and Electronics Engineering Technologists and TechniciansStrong
Job market: Average (2%)
$64K
Installation, Maintenance, and Repair WorkersStrong
—
Mechanical EngineersRelated
Job market: Average (10%)
$100K
Welders, Cutters, Solderers, and BrazersRelated
Job market: Average (3%)
$48K
2311Ammunition Technician
Civilian Median Pay
$58K/yr
What It Becomes on the Outside
Plant and System OperatorsStrong
Job market: Average (2%)
$58K
Explosives Workers, Ordnance Handling Experts, and BlastersStrong
—
Occupational Health and Safety SpecialistsRelated
Job market: Average (5%)
$81K
LogisticiansRelated
Job market: Faster than average (18%)
$79K
Credentials You Walk Away With
Ammunition handler certificationExplosive safety certificationsHazardous materials handlerUSMAP ordnance apprenticeship

Salary data from the U.S. Bureau of Labor Statistics Occupational Employment and Wage Statistics program. A guide, not a guarantee.

Recruiter vs. Reality

The pitch versus what people who actually did the job report back.

2111Small Arms Repairer/Technician
What the Recruiter Says

“Keep Marine Corps small arms operating at peak performance. Small arms repairers maintain pistols, rifles, machine guns, and crew-served weapons, developing precision gunsmithing skills with direct pathways to federal law enforcement armorer positions and civilian gunsmithing careers.”

What It's Actually Like

You are the person every Marine needs and no Marine respects until their weapon stops working, at which point you become the most important person on the installation. The M16/M4 family, M9 pistol, M240, M249, M2, MK19 — you are expected to diagnose and repair all of them to the armorer level, which means understanding not just how they work but why they fail and how to fix failures with field-expedient solutions when the right parts aren't available. The work is precise and satisfying for people who like understanding exactly how mechanical systems function. The unit armory is your domain and units treat it with varying levels of respect, which means you will spend significant time undoing damage caused by Marines who convinced themselves they understood what they were doing. The M27 IAR that replaced the M249 in infantry has its own personality. So does every weapon that comes through your bench. Civilian gunsmithing is a craft with genuine demand. ATF armorer certifications carry weight in law enforcement.

2311Ammunition Technician
What the Recruiter Says

“Handle, store, and manage the ammunition that makes every Marine Corps weapon system lethal. Ammunition technicians develop expertise in explosives safety, ammunition accountability, and the technical management of the entire ammunition life cycle from receipt to demilitarization.”

What It's Actually Like

The ammunition supply point is the most important real estate on any installation or FOB and the Marines who run it are some of the most accountable in the Corps — every round is tracked, every lot number recorded, every storage configuration compliant with DoD explosive safety standards that exist because previous failures were catastrophic. You will know more about propellants, fuzes, rocket motors, and explosive net equivalent weights than any other Marine, which is genuinely specialized knowledge with serious civilian applications in defense contracting and federal explosives licensing. The work is methodical, detail-oriented, and does not tolerate shortcuts. Ammo tech certifications are legitimate credentials. The EOD pipeline recruits from this community. The physical job involves moving heavy, hazardous material in configurations designed to prevent accidental detonation, which requires a specific personality — careful but not paranoid, methodical but capable of urgency when required. You will never look at a range without automatically calculating the ammo accountability.

The Real Life

Same dimensions, side by side. 2111 on the left, 2311 on the right.

Daily Life
2111

—

2311

Receiving, storing, issuing, and accounting for all types of ammunition and explosives. You manage Ammunition Supply Points (ASPs), conduct inventories, inspect ordnance for serviceability, and ensure compliance with explosive safety regulations. The work requires meticulous attention to detail — a mistake with ammunition can be catastrophic.

Training / School
2111

—

2311

The Basic Ammunition Technician Course at Redstone Arsenal (AL) covers ammunition identification, storage procedures, handling safety, explosive safety regulations, and inventory management. The training is detail-oriented and the safety standards are absolute. One safety violation and you're out.

Physical Demands
2111

—

2311

High. Handling ammunition and explosives is inherently physical — lifting, stacking, and transporting heavy ordnance in all conditions. Safety protocols require constant vigilance.

Where You'll Be Stationed
2111
—
2311
Camp Lejeune (NC)Camp Pendleton (CA)Albany (GA)Barstow (CA)MCB Hawaii
The Honest Truth
2111

—

2311

Ammunition technicians handle the most dangerous materials in the military's inventory, and the margin for error is zero. The recruiter will probably mention this MOS as an afterthought — "logistics" doesn't make exciting recruiting posters. The reality: you learn explosive safety, hazardous materials handling, and inventory management at a level that most civilian employers can't teach. The work is demanding but the safety culture is strong — the Marine Corps takes explosive safety extremely seriously. Civilian translation goes two directions: defense industry ammunition management (which pays well) or regulated industry compliance (pharmaceutical, chemical, nuclear). Either way, the discipline and attention to detail you develop here is a marketable skill.

Recent Reviews

2111
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