This is what you call a backfire. Over the weekend, gun rights advocates decided to bring assault rifles into a Texas-area Chipotle as part of an “open carry” event. Apparently, other customers weren’t exactly comfortable enjoying their lunch alongside heavily-armed activists wielding loaded, military-style firearms. Just days later, representatives from the company announced a new policy that asks burrito-lovers to not bring their guns to the stores. “Recently participants from an ‘open carry’ demonstration in Texas brought guns (including military-style assault rifles) into one of our restaurants, causing many of our customers’ anxiety and discomfort,” they said in a statement, also asking gun owners to leave their weapons at home while dining in. It’s unclear at this point how Chipotle will enforce their new policy …