"Best to just give them the bare minimum so they won't annoy you with endless questions then let them go out and hopefully not blow up their new gun. After all, all they really need to know as the ignorant monkies who spend their money in our gun shop is what ammo the gun takes, not what the chamber cut is or why pressure matters, and God forbid, if they are handloaders it's not our job to teach these monkies anything.  Just throw some impressive terms in the prize ad like "match grade" and "keymod" and "Magpul" and the monkies will be drooling, Kevin...."

Image below from Stu Wayne - Image Title: photos
Image Info: This is the description of the features advertised for the rifle I won.  I had to dig through old newsletters to find it.