For a low round count class there is no way I would use the MP 15-22. For specific scenarios in a high round count class I would consider it.
I use mine regularly for practicing drills but as posters have mentioned before the muscle memory that you build, sight management, stance, etc.. may suffer.
I use mine regularly for practicing drills but as posters have mentioned before the muscle memory that you build, sight management, stance, etc.. may suffer.