Models with Random Movement do not have a M value, but rather a dice roll. This is the distance they move, charge, pursue, overrun and flee – they cannot march. If a model has Random Movement and Swiftstride, then Swiftstride is not used. Note that certain Random Movement rolls can result in the model having a M value higher than 10 – this is an exception to the usual maximum.
Models with Random Movement cannot declare charges, and are always moved in the Compulsory Moves sub-phase. When the model moves, first pivot it about its centre to face the direction in which you wish it to travel. Then, roll the dice shown in the Random Movement brackets. Finally, move the model directly forwards a number of inches equal to the total rolled by the dice. No other pivots can be made.
There's a chance that the model's peculiar movement will cause it to come into contact with an enemy, so measure the distance in a straight line before the model is moved. If the move is found to take the unit’s front arc into contact with an enemy, then it counts as charging, and this is resolved using the normal rules for charges and using the distance rolled as its charge range. Charge reactions cannot be declared against enemies with Random Movement.
If the random move brings the unit to within 1" of a friendly unit or impassable terrain, it stops immediately and cannot move further during that Movement phase.
If two or more models in a unit have the Random Movement, pivot the unit about its centre, then roll the dice only once to determine how for the unit moves. If models in the unit have a different Random Movement value, use the slowest for the entire unit.
A Random Move counts as a "normal" move for triggering a Dangerous Terrain test, unless the model is making a charge, pursuit or flee move, in which case it counts as a move of the appropriate type.