The M4A1 carbine is a fully automatic variant of the basic M4 carbine intended for special operations use
this weapon uses the 5.56 Standard Nato Ammo![Arma3 M4A1 Pack]()
The M4A1 carbine is a fully automatic variant of the basic M4 carbine intended for special operations use this weapon uses the 5.56 Standard Nato Ammo
The M4A1 carbine is a fully automatic variant of the basic M4 carbine intended for special operations use this weapon uses the 5.56 Standard Nato Ammo