The October 1989 issue of APG has an excellent review of the Cal Ordnance Mercenary along with a 2 page spread picture of several polished examples.
Cal Ordnance Mercenary Scan from October 1989 issue of APG
A Cal Ordnance Logo scanned off of some paper work that was included with my custom sheridan based Mercenary pump.
A Cal Ordnance Mercenary Front Sight and top sight rail that I purchased off ebay many years ago. Still new!
A scan from "Paintball" showing the only published photo I've seen of a Cal Ordnance Nelson based body kit.
A quick look at the Para Ordnance Mod 85 Fully Automatic or Semi Automatic paintball pistol, built in 1985.