WeaponSpecs

FN Herstal M240 vs Colt M4A1

FN Herstal M240 and Colt M4A1 are both rifle & long arms, compared here on public specifications. The FN Herstal M240 leads on effective range (1,100 vs 500 m).

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Full data

Full spec sheet

FN Herstal M240 Wins 3/7
Colt M4A1 Wins 4/7
Performance
Effective range (m) 1,100 m 500 m
Rate of fire (rpm) 650 rpm 950 rpm
Muzzle velocity (m/s) 853 m/s 884 m/s
Firepower
Caliber (mm) 7.6 mm 5.6 mm
Ammunition 100 30
Physical
Length (m) 1.26 m 0.84 m
Empty weight (kg) 13 kg 3 kg
Crew 1 1
Program
Unit cost (USD) $8,500 $1,100
Units built 500,000 2,000,000
Operator countries 80 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 FN Herstal M240 has the higher effective range at 1,100 m.

Which has the higher rate of fire? +

The Colt M4A1 has the higher rate of fire at 950 rpm.

Which has the higher muzzle velocity? +

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

Which has the higher ammunition? +

The FN Herstal M240 has the higher ammunition at 100.

Which has the higher units built? +

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

Is the FN Herstal M240 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.

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