Most of the bucks I have on camera have the frame they are going to have and their brow tines are finished as they always finish first it seems like. They will continue to grow their tines and main beams for the rest of this month and a little into August. Of course all bucks are different and some are farther along than others and vice versa. You can always tell what is still growing, they will appear "bulbous" on the tips. Examples: