Therefore, understandably, the best M13 loadout in COD Mobile has been one of the most sought-after builds of the game due to the base gun's superior rate of fire and massive headshot multiplier.
M4 is a decent choice for Battle Royale due to its accuracy and mid-range capabilities. At the same time, the high mobility rating and a clearer iron sight allow players to use ADS and deal decent damage at closer distances.