Gunner's Mate
Gunner's Mates operate, maintain, and repair all types of weapons systems including missiles, guns, small arms, ammunition handling systems, and ordnance.
Overall
Quick Stats
Security Clearance
Secret~$3K–$15K civilian sector value
Requires a National Agency Check with Local Agency Check and Credit Check (NACLC). Processing typically takes 1–3 months and is initiated early in your training pipeline.
ASVAB Requirements
Who This Is Best For
Best for hands-on individuals drawn to firearms, explosives, and weapons technology who thrive in physically demanding, mission-critical roles. Transferable to federal law enforcement armorer positions, defense contracting, and weapons manufacturing careers. Ideal for those who want a tangible, action-oriented trade.
+Pros
- ✓Active enlistment bonus available
- ✓Strong civilian career transition
–Cons
- ✗Significant sea duty
Real Opinions
+Positive
“On most ships and shore stations, folks like to make friends with GMs. Most everyone likes to go to the range and have fun with the small arms.”
“If you like weapons and ordnance, GM is perfect. You maintain everything from small arms to missile systems.”
“It was, to me, and many others, an exceptionally rewarding rate. Fixing a weapons system and seeing it work again feels very satisfying. The GM rating has gotten very technical — you have to know electronics, hydraulics, and be a fair hand with a wrench, on top of magazine sprinkler maintenance and small arms repair.”
–Critical & Mixed
“The GM rating has become very technical, requiring knowledge of electronics, hydraulics, and mechanical skills.”
“Ship heavy career. Shore duty is rare and usually instructing at a schoolhouse.”
“Civilian transferability is limited unless you go into law enforcement or defense contracting.”
Recruiter vs Reality
What the recruiter says vs. what it's actually like.
🫡 Recruiter says
“You'll be operating weapons systems — it's like an action movie”
💀 Reality
Source: r/navyDay-to-day GM work is mostly maintenance: cleaning, greasing, testing fire control systems. Live fire exercises happen but are a small fraction of the job.
🫡 Recruiter says
“GM has a great sea/shore rotation.”
💀 Reality
Source: reddit r/navyGM is heavily sea-based. Most billets are aboard ships. Shore duty options are limited compared to other rates, and you may spend 60-70% of your career at sea.
🫡 Recruiter says
“GM is great for a career in law enforcement.”
💀 Reality
Source: sailor forumsThe firearms experience helps, but police departments require their own academy and certifications. Your military weapons training does not exempt you from civilian requirements.
🫡 Recruiter says
“You'll work with the most advanced weapons systems in the world.”
💀 Reality
Source: veteran feedbackJunior GMs spend most of their time cleaning, inventorying, and maintaining small arms and ammunition magazines. Working on actual weapons systems like CIWS or the 5-inch gun comes later in your career.
🫡 Recruiter says
“As a GM, you'll be the ship's weapons expert and run the armory.”
💀 Reality
You will manage the armory, but that means logging every round in and out, conducting endless inventories, and maintaining magazine sprinkler systems — which are notoriously finicky. MRCs on magazine temperature monitoring and sprinkler testing consume more of your time than any actual weapon.
🫡 Recruiter says
“GMs get to shoot all the time.”
💀 Reality
The crew gets to shoot during small arms qualifications — you get to clean every weapon afterward. GMs are responsible for pre-fire checks, post-fire cleaning, and weapons accountability. During an ammo onload, you will spend 12+ hours passing ordnance hand-to-hand down into magazines.
Training Pipeline — Total ~27 weeks (6 months)
Ship Date Calculator
Enter your MEPS ship date to see when you'll complete each stage.
Promotion SpeedEarn higher pay fasterAverageManning 90%
| Cycle (Year) | Eligible | Selected | Promotion % |
|---|---|---|---|
| E-4254(2025) | 105 | 70 | 67% |
| E-4253(2024) | 102 | 67 | 66% |
| E-5254(2025) | 100 | 36 | 36% |
| E-5253(2024) | 96 | 33 | 34% |
| E-6254(2025) | 60 | 15 | 25% |
| E-6253(2024) | 57 | 14 | 25% |
Bonuses — Click here to see your military pay
Enlistment Bonus
Bonus by Contract Length
5-Year Contract
$10,000
4-Year Contract
$5,000
How to Qualify
- Sign a contract for this rate at MEPS — bonus eligibility is locked at the time of contract signing
- Ship to boot camp and successfully complete Recruit Training Command (RTC) at Great Lakes, IL
- Complete A-School and any required follow-on training in the GM pipeline
- Receive your rate assignment and report to your first duty station
- Bonus is typically paid in installments — 50% after completing training, remainder in anniversary payments
Important Details
- •Longer contracts receive higher bonus amounts
- •Bonus amounts are subject to federal income tax withholding (typically 22%)
- •If you fail to complete training or are separated early, you may be required to repay a prorated portion
- •Bonus availability and amounts change frequently based on Navy manning needs — confirm with your recruiter
- •This rate requires a security clearance — failure to obtain clearance may affect bonus eligibility
You May Qualify for a Navy Enlisted Classification (NEC)
Specialties within this rate you can select, some with additional compensation. Each NEC has its own training, bonus potential, and career path.
Primary specialty code for Gunner's Mate rating
Advanced specialty code for experienced Gunner's Mate personnel
Potential Civilian Post-Navy Outcomes
Weapons Technician (Defense)
Transferability: 4/10
$45k–$75k
Free Certifications & Credentials
Certifications and licenses the Navy will pay for free through Navy COOL and on-the-job training.
NRA Armorer Certification
NRA
OSHA 10-Hour
OSHA
OSHA 30-Hour Safety
OSHA
Federal Firearms License Consultant
ATF
Lifestyle5/10
Ship vs. Shore Split
70% / 30%
Deployment Frequency
High
Physical Demand
high — mixed
Watch Standing
3-section in port, 3-section underway
In a 3-section rotation, the crew is divided into three teams. Each team stands an 8-hour watch shift, then has 16 hours off. In port, you stand 24-hour duty roughly every 3 days — one out of every three nights you stay aboard the ship. Underway (when attached to a ship command), the watch schedule runs continuously with shorter rest periods between shifts.
Magazine security; weapons handling watch; topside safety
Common Duty Stations
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Schools + spouse jobs
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Avg waitlist for on-base
95
100 = national avg
—
Schools + spouse jobs
—
Avg waitlist for on-base
135
100 = national avg
—
Schools + spouse jobs
—
Avg waitlist for on-base
92
100 = national avg