M4 carbine/Modern Combat

The Colt M4 Carbine is a weapon featured in Battlefield 2: Modern Combat.

Singleplayer
The M4 Carbine is issued to NATO assault-class soldiers during Radio Silence. It has a moderate rate of fire, a 30-round magazine, high damage and good accuracy.

It can kill in a single head shot and is effective as a sharpshooting weapon with its magnified M68 Aimpoint sight. It also has an M203 attached to it, though it is unusable until you unlock it. Blind firing for head shots and the grenade launcher can easily dispose of a large amount of enemies.

Multiplayer
The M4 Carbine is issued to the USMC Assault kit and can be used similarly to how it's used in singleplayer.