Tens of millions of AR-15 rifles and similar variants are in the hands of US gun enthusiasts When it comes to America's vast gun culture, no weapon has become as ubiquitous - or controversial - as ...

FILE - An AR-15 style rifle is fired, at the Bureau of Alcohol, Tobacco, Firearms, and Explosives (ATF), National Services Center, Thursday, March 2, 2023, in Martinsburg, W.Va. (AP Photo/Alex Brandon ...