My humble 1/50th of $1. . .
Visit the Mossberg website
www.Mossberg.com
and order a stock for it, or one of the Hogue "over-mold" stocks. Hogue is
www.getgrip.com
You have the basis for a good dependable shotty. I have found the folders, pistol grip only, etc stocks to be of no value to me.
Save the rifle barrel for use with sabot slugs for deer/hog hunting. If you want a short barrel for "Homeland Security" applications, the 18-1/2" cylinder bore barrel is available from Mossberg for $74+shipping/tax, or a barrel with vent rib & a full set of choke tubes is under $150.