WHAT DOES EOTECH 552 MEAN?

Although this will make controls ambidextrous. And also results in a hindrance when utilizing the sight at the side of magnifiers. So you’ll either really have to utilize a tilting mount or make some maneuvers. I've had my eotech connected on to my SIg m400 and so far its been astounding. Zeroing in was no situation and haven't had to adjust it