I don't believe it has a pistol grip.
Remember, the artwork for the sniper rifle and the laser rifle are very closely related. Without the wires, you can clearly see that entire area.
Also, look at this version of the laser rifle, where the trigger is obvious (you likely want to look at this image against a light background):
By the way, nice job with the wires/plugs. That was the main point I was going to make to The_Chosen.
Remember, the artwork for the sniper rifle and the laser rifle are very closely related. Without the wires, you can clearly see that entire area.
Also, look at this version of the laser rifle, where the trigger is obvious (you likely want to look at this image against a light background):
By the way, nice job with the wires/plugs. That was the main point I was going to make to The_Chosen.