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Marine ASVAB Score: Minimum AFQT & Line Scores by MOS

Sarah Nguyen
Sarah Nguyen
Created at May 30, 2025

If you’re dreaming of joining the United States Marine Corps, understanding your Marine ASVAB score is the first step to making that dream a reality. The ASVAB determines your eligibility for enlistment and which Marine jobs (MOS) you’re qualified for. Many applicants are confused about the minimum ASVAB score for Marines, or what specific scores are required for different roles. In this complete guide, we’ll break down how the ASVAB score is calculated, the minimum score needed to enlist, and what ASVAB scores are required for popular Marine Corps jobs.

How is the Marine ASVAB score calculated?

How is the Marine ASVAB score calculated?

How is the Marine ASVAB score calculated?

Understanding how your Marine ASVAB score is calculated is essential if you want to qualify for the U.S. Marine Corps and select the right Military Occupational Specialty (MOS). The ASVAB test consists of multiple subtests that measure your abilities in various areas. From these subtests, key composite scores are derived to assess your eligibility for enlistment and job qualification.

AFQT Score

The most crucial score for Marine Corps enlistment is the AFQT (Armed Forces Qualification Test) score. Although the ASVAB includes 9 subtests, the AFQT score is calculated from only four of them, focusing primarily on verbal and math skills. These subtests are:

  • Arithmetic Reasoning (AR)
  • Mathematics Knowledge (MK)
  • Paragraph Comprehension (PC)
  • Word Knowledge (WK)

AFQT = (2 x VE) + AR + MK

Meanwhile: VE = WK + PC (Verbal Expression)

Score range: AFQT scores range from 1 to 99, representing the percentile rank of the test taker compared to others.

ASVAB Score Range Category Meaning
0–9 Category V Not eligible
10–30 Category IV Usually ineligible; rare waivers
31–49 Category III-B Minimum required for Army enlistment (with high school diploma)
50–64 Category III-A Eligible, wider job options
65–92 Category II Strong score; qualifies for most Army MOSs
93–99 Category I Top tier; qualifies for nearly all jobs

Your AFQT score determines if you’re eligible to join the Marine Corps, while the individual line scores from all subtests determine your MOS eligibility. This is the only composite score shared uniformly by all branches of the U.S. Armed Services.

Remember that meeting the minimum AFQT threshold is the first step toward joining, but it does not specify which jobs you qualify for within the Marines.

Marine ASVAB line scores

Beyond the AFQT, the Marine Corps evaluates your qualification for specific MOS roles using composite line scores. These line scores are calculated from different combinations of the ASVAB subtests and reflect skills related to technical, mechanical, clerical, and electronics fields.

Each MOS has minimum line score requirements that you must meet to be eligible. The key composite line scores used by the Marine Corps include:

Composite Score Subtests Used Formula Max Score
General Technical (GT) WK, PC, AR, MC WK + PC + AR + MC 151
Mechanical Maintenance (MM) AR, EI, MC, AS AR + EI + MC + AS 161
Electronics Repair     (EL) AR, MK, EI, GS AR + MK + EI + GS 151
Clerical (CL) WK, PC, MK WK + PC + MK 141

These line scores are critical for job placement and vary significantly between roles.

Minimum ASVAB score for the Marine

For regular enlistment into the U.S. Marine Corps, applicants must achieve a minimum AFQT score of 31 on the ASVAB.

However, for those who possess a GED instead of a high school diploma, the requirements are more stringent. GED holders must earn a minimum AFQT score of 50 and must also provide proof of completing at least 15 college credit hours to be eligible for enlistment. Most successful applicants score above 50, increasing their chances of qualifying for more job roles and bonuses.

ASVAB scores for Marine jobs

ASVAB scores for Marine jobs

ASVAB scores for Marine jobs

Once you qualify for enlistment, your line scores determine your eligibility for specific jobs (MOS) in the Marine Corps. The Marine Corps offers a wide variety of career paths. These roles are grouped by function to help you explore which fields align with your strengths and ASVAB performance. Below is a breakdown of Marine job groups, the associated MOS codes, job titles, and the minimum ASVAB line scores required for each:

Administrative & office jobs

If you’re organized and detail-oriented, administrative MOS roles like Administrative Specialist or Postal Clerk are a great fit. These positions require a minimum CL (Clerical) line score of 100.

MOS Code Marine Job Title Minimum Line Score
0111 Administrative Specialist CL = 100
0161 Postal Clerk CL = 100

Intelligence jobs

For those with strong analytical skills and a passion for critical thinking, intelligence MOS options like Counterintelligence Specialist or Geographic Intelligence Specialist require a GT (General Technical) line score between 100 and 110.

MOS Code Marine Job Title Minimum Line Score
0211 Counterintelligence/Human Intelligence GT = 110
0231 Intelligence Specialist GT = 110
0261 Geographic Intelligence Specialist GT = 100

Infantry jobs

Infantry roles are the backbone of Marine ground combat forces. Jobs like Rifleman, Machine Gunner, or Recon Marine generally require a GT score of 80-105, depending on the specialization.

MOS Code Marine Job Title Minimum Line Score
0311 Rifleman GT = 90
0313 LAV Crewman GT = 90
0321 Reconnaissance Marine GT = 105
0331 Machine Gunner GT = 80
0341 Mortarman GT = 80
0351 Infantry Assault Marine GT = 100
0352 Anti-Tank Missile Gunner GT = 100
0369 Infantry Unit Leader GT = 100

Communications & IT jobs

Tech-savvy recruits can pursue roles in network management, cybersecurity, and field communications. These high-demand roles require a GT score of 105.

MOS Code Marine Job Title Minimum Line Score
0621 Field Radio Operator GT = 105
0627 Satellite Communications Operator GT = 105
0631 Network Administrator GT = 105
0639 Network Chief GT = 105
0671 Data Systems Administrator GT = 105
0679 Data Chief GT = 105
0681 Cybersecurity Technician GT = 105
0689 Cybersecurity Chief GT = 105

Logistics & supply jobs

Logistics and supply chain management roles like Embarkation Specialist or Maintenance Manager require strong planning skills and a GT score of 100-110.

MOS Code Marine Job Title Minimum Line Score
0411 Maintenance Management Specialist GT = 100
0431 Embarkation & Logistics Specialist GT = 100
0451 Airborne and Air Delivery Specialist GT = 100
0481 Landing Support Specialist GT = 100
0491 Logistics/Mobility Chief GT = 100
0511 MAGTF Planning Specialist GT = 110

Engineering & construction jobs

Hands-on roles involving heavy equipment, construction, and utilities, such as Combat Engineer or AAV Crewman, typically require an MM (Mechanical Maintenance) score of 105.

MOS Code Marine Job Title Minimum Line Score
1161 Refrigeration & Air Conditioning Technician MM = 105
1341 Engineer Equipment Mechanic MM = 105
1371 Combat Engineer MM = 105
1391 Bulk Fuel Specialist MM = 105
1833 AAV Crewman MM = 105

Artillery jobs

If you enjoy precision and teamwork, artillery roles like Cannoneer or Fire Control Man are ideal. Most require a GT score between 90-100.

MOS Code Marine Job Title Minimum Line Score
0811 Field Artillery Cannoneer GT = 90
0844 Field Artillery Fire Control Man GT = 100
0847 Artillery Meteorological Man GT = 100
0848 Field Artillery Operations Man GT = 100
0861 Fire Support Man GT = 100

Ordnance (weapons & maintenance) jobs

These roles focus on maintaining, repairing, and overseeing weapon systems and equipment. You’ll need an MM score of 105 for positions like Small Arms Technician or Electro-Optical Repairer.

MOS Code Marine Job Title Minimum Line Score
2111 Small Arms Repairer/Technician MM = 105
2141 AAV Repairer/Technician MM = 105
2147 LAV Repairer MM = 105
2161 Machinist MM = 105
2171 Electro-Optical Ordnance Repairer MM = 105
2181 Sr Ground Ordnance Weapons Chief MM = 105

Electronics repair & maintenance jobs

Specialized roles in electronics repair ensure Marines have operational communications and tactical systems. These MOSs demand an EL (Electronics) score of 105.

MOS Code Marine Job Title Minimum Line Score
2841 Ground Radio Repairer EL = 105
2871 Electronics Maintenance Technician EL = 105

Aviation – Maintenance & rescue jobs

From aircraft mechanics to aviation rescue, these roles are crucial to Marine aviation operations. Expect to need an MM score of 105 for positions in this field.

MOS Code Marine Job Title Minimum Line Score
5951 Aircraft Rescue & Firefighting Specialist MM = 105
6042 Aircraft Maintenance Admin Specialist MM = 105
6114 Helicopter Mechanic (UH/AH-1) MM = 105
6174 Helicopter Crew Chief (UH-1N/Y) MM = 105
6217 F/A-18 Aircraft Mechanic MM = 105
6257 F/A-18 Aircraft Airframe Mechanic MM = 105
6287 F/A-18 Aircraft Safety Equipment Mechanic MM = 105

Tips to improve your Marine ASVAB score

A strong ASVAB score gives you access to more Marine jobs and specialized roles. Here’s how to improve your results:

  • Target your most important sections: Spend extra time on math and verbal subtests like AR, MK, WK, and PC because they have the biggest impact on your eligibility.
  • Practice with the right materials: Stick to ASVAB prep tools or the ASVAB study guide and start practicing the Marine ASVAB practice test to build accuracy and confidence under timed conditions.
  • Seek personalized support: If you’re consistently scoring low in certain areas, consider working with a tutor or joining a study group for extra guidance.
  • Be open to retaking the test: If your first score doesn’t meet your goal, review your weak spots and try again – many improve significantly on the second attempt.

Whether you’re interested in becoming an Operations Chief or Aviation Survival Technician, boosting your ASVAB score is the first step toward securing your dream Marine career.

FAQs

1. What is a good Marine ASVAB score?

A good score is typically 50 or higher, which qualifies you for more job options and potential enlistment bonuses. Scoring 70+ opens up opportunities in intelligence, cyber, and aviation fields. The average score on ASVAB for Marines is around 45-55, but the higher your Marine ASVAB score, the better your chances.

2. What ASVAB score do you need to be a mechanic in the Marines?

To qualify for mechanic-related roles in the Marine Corps, you’ll typically need a minimum Mechanical Maintenance (MM) line score of 105. This applies to a variety of mechanical jobs, including:

  • Engineer Equipment Mechanic (MOS 1341)
  • AAV Repairer/Technician (MOS 2141)
  • Aircraft Mechanic (MOS 6114, 6217, 6257, etc.)
  • Electro-Optical Ordnance Repairer (MOS 2171)

Achieving this MM score requires strong performance in the AR, EI, MC, and AS subtests. Focusing on these sections during your ASVAB prep can help you qualify for mechanic positions in the Marines.

Final thoughts

Understanding your Marine ASVAB score is crucial not only for enlistment but also for securing the job you want in the Marine Corps. While the minimum ASVAB score for Marines is 31, aiming higher opens the door to more roles and better benefits. Prepare thoroughly, use the many available study resources, and take your future seriously – your ASVAB score will shape your Marine Corps journey.