This is one simple option:
(You can see a rough attempt here: https://1drv.ms/u/s!AnY-pqlx8I0corNwcNqX0TBypeWvpA )
1- You can use bullet to give movement to the sprite that represents your laser.
2- Then create the mirror sprites and modify the collision polygon to fit the shape.
3- Add an instance variable to the mirrors. This variable, let's call it bounceAngle, indicates the angle that the laser should take after the collision.
4- Then add an event that deals with the collision between the laser and the mirror.
The action should be: Set Angle of Laser to Mirror.bounceAngle
You got it.
In the example .capx I added another evewt that changes the orientation and bounceAngle of a mirror when touched, but this can be modified to match the mechanic you are looking for.
I hope this helps. I may check how to use this sample in one game of my own.