CMA Awards 2013

Country Guys & Their Guns (the Muscular Kind!)

Step right up and check out Tim, Keith, Luke and more showing off their flex appeal

TIM MCGRAW

Arm-y of one McGraw worked hard to get in shape, and it paid off! "People are paying great money to come and watch us, so it's part of my job. I want to enjoy it while I'm out there and feel good doing it," he told PEOPLE.