What's wrong with this picture?

[hoosierdoc]

don't let your muzzle extend into an entry point

Same thing my health teacher taught us in middle school

 

[Snapdragon]

Same thing my health teacher taught us in middle school

 

[Sgtusmc]

Same thing my health teacher taught us in middle school

ba dump bump, clang

 

[williamnewman1]

muzzle past the door way
stacked in such a way to hit/richochet other team members ......or hit other team members with brass/shells
guy second from the end looks like he is bored
no extra gear on for mags/light etc

i am sure there is much more, this is just from my uneducated eyes

 

[BGDave]

Bet that sliding barn door is not bullet proof.

Doesn't matter though, the guy with the SKS is going to do a 7.62x39 penetration test anyway.