2011-style handguns/akak raceguns are know in airsoft world as Hicapa
The "5.1 Hicapa" is basically a stock "STI 2011 Tactical 5.0", with regular slide and frame.
There are however almost any variation of any custom compensated pistol avalaible.
And CMORE/optics mounts. And regular sights. And extended whatever you want. And cocking levers...
In fact, there are some IPSC-style shooting sessions in Ontario and Quebec. Not sure about the other provinces however.
The airsoft counterpart to IPSC is called CAPS.
It stands for Canadian Airsoft Practical Shooting.
I am working on a full-framed 7", split-slide, long-barrel with an integral compensator setup myself.
Not done yet, but it give you an idea of how wild you can go:
