Another tip for beginners when they get their first optics, Airsoft Master shows how to zero-in one... "Most time Red dots are tended to be another fashion piece in the airsoft community. It still can be a very good reference tool for aiming if you zero the optic in! Here is a couple key pointers to help you adjust your optic and to help keep it center mass. Check out some of our items and rifles on our website at airsoftmaster.com!"