Once again, probably a 4 year old. Note the shortness of the main beams, but much heavier antlers and longer tines until you get the 5th point:
Probably a 5 year old bull. Huge body, much longer 4ths, but still short 5ths.
Could be a 5 year old, good 5ths, fair mass, similar to that 4 year old that I killed:
Probably a 3 year old, note short overall main beams, short tines but decent mass: