Zac Efron Shows Off His Guns on 'Townies' Set!

Zac Efron shows off his bulging bicep while on set of his upcoming flick Townies on Thursday evening (May 23) in Los Angeles.

The 25-year-old actor and star of the film was photographed giving his co-star Dave Franco a hug while filming an emotional scene where his character gets arrested for throwing a big house party.

PHOTOS: Check out the latest pics of Zac Efron

The day before, Zac was spotted eating a taco while on his break from the Nicholas Stoller-directed film.

FYI: Zac is wearing Simon Miller jeans.

10+ pictures inside of Zac Efron showing off his guns on the Townies set…