"After dealing with his homophobic parents' bullshit, Benjamin pulled out a glock and went out to have a little talk with his dad and nonchalantly slap the goofy out of his mom."
They weren't mirrored in that part. Bf canonically holds the mic in his right hand. If it was mirrored then it would look like it was in his left hand. Its in his right hand during the part your talking about