The Umarex is not a true replica of a 1911.
It actually has a revolver action and the grip safety is awkward.
It’s also bigger.

It is a pellet shooter and accurate at short distances with a tendency to shoot high.
It is also repairable.

Milbro do a cheaper pellet 1911 but I haven’t shot it

The KWC model in all its many rebadged versions is a lot more fun but is bb with all that entails.

I suggest you get both