(source: www.thefirearmblog.com)
Shell casing flying past his face means he shot left handed, or he is lying.
The sound being so loud means the range owner neglected to give ear plugs or muffs, or he is lying.
The lack of recoil in an AR-15 means the has a serious physical ailment that makes him bruise when a butterfly lands on him, or he is lying.
Guess which way I am leaning...
(source: www.thefirearmblog.com)