Shoot Straight, Florida's largest independent gun-shop chain, has stopped renting guns to prevent its eight Florida ranges from becoming suicide parlors. Khaled Akkawi, founder of the Apopka-based chain, made the decision last month after the latest suicides at one his gun ranges. "We've had enough," Akkawi said Friday. "They've been increasing real fast and the one common denominator — everyone is done with a rental gun."