Career Management Field 89

CMF 89 Ammunition: Army jobs by ASVAB score

Ammunition handling, stock control and explosive ordnance disposal. This site lists 3 Ammunition MOS entries, each verified against the official Army specification. Every threshold below is a line score minimum, not an AFQT percentile.

Lowest threshold

ST ≥ 91 or (ST ≥ 86 and GT ≥ 85)

89B Ammunition Specialist

Line scores used

ST · GT · GM

3 aptitude areas across 3 jobs.

Ammunition jobs ranked by ASVAB threshold

Ordered by the lowest score that satisfies each rule; for OR rules the easier path is used. Thresholds in different line scores are not directly comparable. Open any MOS for its subtests, gap guidance and alternatives.

#MOSJobASVAB requirementLine scoreChecked
189BAmmunition SpecialistST ≥ 91 or (ST ≥ 86 and GT ≥ 85)ST, GT2026-09-12
289AAmmunition Stock Control and Accounting SpecialistST ≥ 91ST2026-09-12
389DExplosive Ordnance Disposal SpecialistGM ≥ 105GM2026-09-12

Line scores behind Ammunition jobs

The subtests shown are the Army's nominal definition of each aptitude area from DA PAM 611-21, Military Occupational Classification and Structure, Table 10-1 (ASVAB aptitude area composites). The reported score is computed on the 1997 scale as a weighted sum of seven standard scores (DMDC 2004, Table 2.7), which can give weight to subtests outside the nominal list; GT is the exception and equals AR + VE exactly. Improving a subtest therefore raises several composites at once. The Army score guide explains each line score; use the line score on your report, or compute it from your standard scores.

ST — Skilled Technical

GS + VE (verbal: WK and PC) + MK + MC

Required by 2 of 3 verified Ammunition jobs.

How ST is scored and who uses it →

GT — General Technical

VE (verbal: WK and PC) + AR

Required by 1 of 3 verified Ammunition job.

How GT is scored and who uses it →

GM — General Maintenance

GS + AS + MK + EI

Required by 1 of 3 verified Ammunition job.

How GM is scored and who uses it →

Preparing for a Ammunition job

Practice on this site: GS (General Science), WK (Word Knowledge), PC (Paragraph Comprehension), MK (Mathematics Knowledge), MC (Mechanical Comprehension), AR (Arithmetic Reasoning), AS (Auto and Shop Information), EI (Electronics Information) feed the ST, GT, GM scores used in this field. Start a GS, WK, PC, MK, MC, AR, AS, EI practice set →

Practice scores are raw counts and never convert into an official line score. Enter the line scores from your ASVAB report in the score checker to compare against every verified job at once.

Frequently asked questions

What is the lowest ASVAB score for a Ammunition job in the Army?

Among the 3 currently verified CMF 89 entries on this site, the lowest entry threshold is ST ≥ 91 or (ST ≥ 86 and GT ≥ 85) for 89B Ammunition Specialist. The highest is GM ≥ 105 for 89D Explosive Ordnance Disposal Specialist. Each figure is a minimum line score, not an AFQT percentile.

Which ASVAB line scores do Ammunition jobs use?

ST (Skilled Technical, GS + VE (verbal: WK and PC) + MK + MC) is required by 2 jobs; GT (General Technical, VE (verbal: WK and PC) + AR) is required by 1 job; GM (General Maintenance, GS + AS + MK + EI) is required by 1 job. The line score on your ASVAB report is the number to compare.

Does meeting the ASVAB threshold guarantee a Ammunition MOS?

No. The threshold is only the score condition from the Army MOS specification. Physical (OPAT), medical, security clearance, training-seat availability and component eligibility are decided separately by the Army and your recruiter.

Next steps