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What does "AR" in "AR-15" stand for? VETSAlutes founder Christopher Wipper's tweet about the "assault rifle" sparks a debate online

A majority of comments on the tweet claimed that "AR" stood for "ArmaLite Rifle," named after the company that manufactures it. The rifle is a semi-automatic based on a design that's similar to the ...
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Lesson Plan: The Story of the AR-15

Log-in to bookmark & organize content - it's free! Cameron McWhirter, "Wall Street Journal" correspondent and co-author of "American Gun: The True Story of the AR-15," provides biographical ...