The M4, like most US Military rifles made in the past 70 years, uses a ring and post sight system. The front sight, a post, is placed on your target, being elevated or depressed to account for range, and centered in the circle of the rear ring sight. Do a Google search for FM m16 rifle, and find the Field Manual for the rifle- it shows illustrations of sight alignment and sight picture.
The M4 CARBINE IS BETTER THAN THE M16.
M4 is the carbine- shorter barrel
No one will give you an M4 rifle/carbine for free.
The Colt M4 Carbine .22 is a replica of the real M4 but in .22 caliber.
There is an M4 carbine in Call of Duty: Modern Warfare 2.
The M4 carbine has a muzzle velocity of 2,970fps(884m/s).
5.56mm
While the M4 Carbine is intended to fire a 5.56x45mm NATO round that is distinct from the .223 Remington, both are centerfire cartridges. So yes, the M4 Carbine is a centerfire rifle.
Perhaps they just forgot to add the "A1" to the nomenclature in CoD4. But yes, you are correct - the standard M4 carbine has the three round burst feature, while the M4A1 and the Canadian variant of the M4 (the C8) have full auto capability.
The M4 carbine was adopted into service with the United States armed forces in 1994.
Gas operated, magazine fed, select fire, 5.56 carbine.
yes