I might be wrong but I think its actual rice...not instant rice, but regular rice.
there's also rice syrup solids that's a liquid, like malt extract. probably a little different than using a solid ingredient.
others are sure to chime in.
Primary: English Mild
On tap: Pale Ale, Lancelot's Wheat, English Brown Ale, Steam Beer, HoovNuts IPA
Bottled: MOAM, Braggot, Raspberry Melomel, Merlot, Apfelwein, Pyment, Sweet mead, Cabernet
Gal in 2009: 27, Gal in 2010: 34, Gal in 2011: 13, Gal in 2012: 10