Question: The Bushmaster XM-15 series (formerly styled as XM15) is a line of AR-15-pattern semi-automatic rifles, carbines, and pistols manufactured by Bushmaster Firearms International, LLC, based in Madison, North Carolina, in which country?
Sentence (from "Bushmaster Firearms International"): The company's product line revolves around semi-automatic pistol and rifle variants of the M4 / AR-15 design.
Relevant evidence: No