Two unrelated terms. A magnum is a cartridge more powerful than the original cartridge. Carbine is a short barreled rifle. Some carbines are chambered for magnum cartridges.
Remington did not make a carbine in .44 Magnum caliber. They did chamber the Model 788 rifle in that caliber. Do you have a Ruger carbine in .44 Remington Magnum, or perhaps a Marlin in that caliber? sales@countrygunsmith.net
Check Auction Arms, Gun Broker, or just do a web search
It can use either 44 magnum or 44 special
Only for very short ranges, and the .30-30 would be a considerably more substantial cartridge.
The .357 Magnum was the first gun to use the term magnum.
Winchester 44 Magnum.
No such weapon.
The M4 CARBINE IS BETTER THAN THE M16.
This is the ammunition the gun is designed to fire, it is not hard on the gun.
Depending on condition, $300-$450.
Depends on what ammo and what you mean by "stronger".
There are many places where one may purchase a M4A1 carbine. This includes specialist gun stores, a gun trade fair as well as private sellers of this type of gun.