2 formula options listed.
Navy rating guide
GM Gunner's Mate ASVAB score requirements
Score target and study focus for Navy GM.
GM
Navy rating score brief
Gunner's Mate
ASVAB score targetAR+MK+EI+GS 205+ or 1 more
Maintains guns, launchers, small arms, magazines, and weapons systems.
Good fit if you like operational tempo, technical equipment, and clear mission responsibility.
Operations centers, navigation, weapons systems, sonar, unmanned systems, security, and maritime operations.
Study first
Focus these areas
- Start with arithmetic reasoning, math knowledge, electronics information, general science; those subjects show up directly in the listed Navy formula options.
- Keep AFQT fundamentals steady too: arithmetic reasoning, math knowledge, word knowledge, and paragraph comprehension.
Daily work
What you may do
- Support tactical displays, weapons, navigation, sonar, robotic systems, or operations teams.
- Use procedures, equipment checks, reporting, and real-time coordination to support missions.
GM Navy rating FAQ
Common Gunner's Mate ASVAB questions
What ASVAB score do you need for Navy GM Gunner's Mate?
AR+MK+EI+GS 205+ or GS+AR+2MK 205+ is the planning target shown on this MeritMarch guide. Treat it as study guidance, not a contract promise, because Navy rating access, openings, waivers, medical qualification, and recruiter guidance can change.
What does a Navy GM Gunner's Mate do?
Maintains guns, launchers, small arms, magazines, and weapons systems.
Which ASVAB sections should I study for GM?
Start with the subjects behind the listed formula options: Arithmetic Reasoning, Math Knowledge, Electronics Information, General Science. If your AFQT is not stable yet, keep Arithmetic Reasoning, Math Knowledge, Word Knowledge, and Paragraph Comprehension in the plan too.
Is GM guaranteed if I meet the score target?
No. ASVAB scores are only part of Navy rating access. Current openings, medical standards, citizenship, security screening, education rules, waivers, and Navy needs can all affect whether a rating is available.
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Sources and official confirmation
Formula target shown on this page: AR+MK+EI+GS 205+ or GS+AR+2MK 205+. Current Navy rating access still depends on Navy policy, openings, medical qualification, background screening, waivers, citizenship, and recruiter guidance.
Sources reviewed May 9, 2026: Navy careers, Official ASVAB military-jobs composites, NavyCS rating ASVAB score table, NavyCS Nuclear Power Test reference.



