What was the game that was comprised of midieval figures, a fortress, dice and cannons w actual Projeciles?

What was the name of the game; that was comprised of medieval / actual 3 inch figures, knights ect. , a fortress, dice and cannons w actual Projectiles. it was turn based. 2 players attackers and defenders. Attackers had to storm the castle. you would role dice for moves and or opportunities to fire your bright orange "cannon balls at the opposing solders.