Charles Daly was a reseller of imported guns, not a manufacturer. And they're out of business now. If there was ever a chance of finding what you're looking for, I'd guess that it's a lot slimmer now. If you can find out what company actually made your gun, that might give you a lead for what you want. I wish you the best of luck in your quest.
When us oldpharts tell folks over'n'over'n'over again to buy a commonly available currently manufactured American pumpgun (like a Remington 870 or Mossberg 500/590), wide availability of parts and accessories is one of the major reasons for offering that advice...
Mindset - Skillset - Toolset. In that order!
Attitude and skill will get you through times of no gear, better than gear will get you through times of no attitude and no skill.