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Colt AR-15 Gun Show Louisiana12.jpg
A Colt AR-15 with a 30 round clip, a flash suppressor and a bayonet mount. Flash suppressor and bayonet mounts were the details of guns that came to be known as assault rifles and were banned in 1984 with Brady Law that expired in 2004. An AR-15 was the type of semi-automatic assault rifle Adam Lanza used in the Sandy Hook school massacre. Since the mass killing, gun sales have went up and AR -15s are selling out of stock.