Happy with purchase - Aimpoint CompM3/ML3 Red Dot Sight Outer Rubber Cover

This cover fits my Aimpoint PRO well. I'm assuming it protect the optic from scratches and dings as advertised; I certainly don't plan on testing this by dropping my rifle. Installing the cover was easy. The directions (albeit pictures) were clear and made installing a snap; you have to remove the front and rear covers, and the caps covering the battery compartment, vertical adjust, and horizontal adjust. I installed the cover with the PRO on my rifle. However, the cover is a tight fit between the optic and mount just under the rear eyepiece.