By definition, a carbine is a short rifle. The standard M-16 has a 20" barrel, while the M-4 has a 16" barrel. A number of US Rifles have had carbine versions, with the notable exceptions being the M-1903 and the Rifle, .30 M-1.
No one will give you an M4 rifle/carbine for free.
The M4 carbine has a muzzle velocity of 2,970fps(884m/s).
The M4 is a military rifle capable of semi automatic or 3 shot automatic fire. It is used where a lighter shorter rifle is useful.
The M4 is a shorter version of the M16 rifle, which is the military designation of the Armalite Rifle. Eugene Stoner is generally credited with the creation of the Armalite.
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.
The M4 is the carbine version of the M16 (carbine means short barreled rifle). Search Wikipedia for M16 for more reading.
The M4 carbine is chambered for the 5.56x45mm NATO cartridge. It will also accept .223 Remington rounds.
The Diemaco (now Colt Canada) C7 rifle, which is a variation of the M16 rifle. It is supplemented with the C8 carbine, which is a variation of the M4 carbine.
The military gets a reduced rate for buying in bulk. IF a transferrable M4 exisited, it would be in the 20K range.
blank, ball and tracer at the very least.
dude are you a musician? use your brain.
visually inspect rifle and make sure its in safe mode