Noop. an M16 fires a 5.56mm (or .223 caliber) bullet.
A .45 caliber shoots a bullet that is ~11.43mm.
The M16 is an assault rifle that is a .223 caliber / 5.56 mm. like any weapon it is only as accurate as its shooter, <><><> It can be very accurate.
The M249 Squad Automatic Weapon fires the same 5.56x45mm cartridge used by the M16 and M4.
The caliber of this weapon is .45 ACP, or it's full name is .45 Automatic Colt Pistol.
.223
The M16 was invented @ 1960
5.56x45.223 or 5.56
the m16 uses 5.56 caliber ammo
The M16 was first used in the Vietnam War. It was a completely new weapon with a new caliber of ammunition. It was lighter and more deadly than its predecessors.
The US military's primary infantry weapon for training is the M16. Just remember that when you enter bootcamp that you dont call the M16 your "gun".. The M16 is your "weapon"
.45 is the caliber of the bullet. Other loads in this caliber include the .45-70 Government, .45-90 Sharps, and .45-110 (the caliber of Matthew Quigley's rifle in "Quigley Down Under"). 120 is the weight of the blackpowder charge, in grains. I.E., 12000 grains/1 pound.
No such weapon made by S&W
Depends where you are and what gun regulations are in place.