Note that on the "real" Spitfires the landing gear pivots in towards the fuselage (opposite of many like the P-47 and P-51). Made for a very narrow carriage and they have a tendency to dig in a wing tip on landing. Some of the R/C models have taken liberties with the scaleness, while others have kept true to design.

Look how many variations of the P-51 Mustang are out there. Just because a model has invasion bars painted on and a simulated belly oil cooler does not a Musting make . . . it. I have noted that when someone says "My first plane was a Mustang" it's usually not what I would consider a scale warbird.