Originally Posted by Pony Boy
I carry a Ruger LCP 380. with a crimson laser sight and it would be highly visible across a dark theater, just put the red dot on the target. It's also palm size and can be carried in a rear pocket, it looks like a wallet.
Laser sites are over-rated, I'd recommend night sites so as to not give away your position (i.e. a foggy/gassed theatre you would clearly see where the laser is coming from). Plus after the first shot lasers tend to be worthless with recoil.