Congratulations — you're now part of one of the most popular rifle platforms in American history. Whether you picked it up for home defense, target shooting, competition, or just because you wanted to see what the hype was about, bringing home your first AR-15 is exciting. It's also a little overwhelming. Between the acronyms, the accessories, and the sheer volume of opinions online, it's easy to feel lost. This guide walks you through what to actually do next: the safety basics, the gear …