They may fight as infantry to defend guns, but may not attack as infantry. If a gun crew loses its gun, it must be sent to reinforce another gun or artillery unit. Should there be no other guns, it may be dispatched to defend a position. At no time may gunners attack as infantry. When separated from the gun, they are strictly defensive.
Artillery chooses a target and fires.
A die is rolled. 5 or 6 means a direct hit. A cup is placed over center of the blast, and everything inside is ruined or killed. Again, a cup is placed over the center of the cup and everything inside is hit. At an attacking unit of troops R1 or closer, artillery fires grapeshot.