L.L. Bean announced Thursday it will no longer sell guns or ammunition to anyone under 21 years of age. The Maine-based outdoors company posted the announcement to its Twitter account in a response to a customer who asked the company to no longer sell guns and ammo to those under 21... The outdoors company joins a host of others increasing the minimum age for gun purchases following last month’s deadly Florida school shooting. Walmart, the nation’s largest retailer, announced Wednesday it would no longer sell guns and ammunition to those under 21 years of age. It also pledged to remove items from its website “resembling assault-style rifles, including nonlethal airsoft guns and toys.” Dick’s Sporting Goods, one of the nation’s largest sporting goods retailers, also announced this week it would stop selling assault-style rifles, and Kroger announced Thursday it would no longer sell guns and ammunition in its Fred Meyer stores to those under 21 years of age.