WeaponSpecs

Barrett Firearms Manufacturing M82 vs Colt M4A1

Barrett Firearms Manufacturing M82 and Colt M4A1 are both rifle & long arms, compared here on public specifications. The Barrett Firearms Manufacturing M82 leads on effective range (1,800 vs 500 m).

Compare systems side by side

Search above to add up to five systems. You’ll get a per-spec winner, relative bars, a normalized spec profile and an honest verdict, every number from public sources.

Building a fleet? Try the Force Builder →

Full data

Full spec sheet

Barrett Firearms Manufacturing M82 Wins 2/6
Colt M4A1 Wins 4/6
Performance
Effective range (m) 1,800 m 500 m
Rate of fire (rpm) N/A 950 rpm
Muzzle velocity (m/s) 853 m/s 884 m/s
Firepower
Caliber (mm) 12.7 mm 5.6 mm
Ammunition 10 30
Physical
Length (m) 1.45 m 0.84 m
Empty weight (kg) 14 kg 3 kg
Crew 1 1
Program
Unit cost (USD) $12,000 $1,100
Units built 15,000 2,000,000
Operator countries 75 60

Frequently asked questions

Which is cheaper? +

The Colt M4A1 has the lower public unit-cost figure at 1,100 USD. Treat this as directional, defense pricing varies by contract and configuration.

Which has the higher effective range? +

The Barrett Firearms Manufacturing M82 has the higher effective range at 1,800 m.

Which has the higher muzzle velocity? +

The Colt M4A1 has the higher muzzle velocity at 884 m/s.

Which has the higher ammunition? +

The Colt M4A1 has the higher ammunition at 30.

Which has the higher units built? +

The Colt M4A1 has the higher units built at 2,000,000.

Which has the higher operator countries? +

The Barrett Firearms Manufacturing M82 has the higher operator countries at 75.

Is the Barrett Firearms Manufacturing M82 better than the Colt M4A1? +

On the public specs we track, the Colt M4A1 leads on 4 of 6 headline metrics, see the full spec sheet for the metric-by-metric breakdown.

Where does this comparison data come from? +

Every figure in the table is sourced from public manufacturer pages, defense-ministry releases and reference publications, and is verifiable on each system's spec page. WeaponSpecs does not accept vendor placement.

Keep exploring

More head-to-heads