By Height By Weight  

6'4 Male 50 lbs Weight Gain 130 lbs to 180 lbs

Here we have a progress pic showing a muscle gain from 130 pounds to 180 pounds. That's a respectable gain of 50 pounds.

Progress Pic 1 / 1

6'4 Male 50 lbs Weight Gain 130 lbs to 180 lbs
M/26/6'4 [130lbs>180lbs] 4 years. First pic is 1 month after I started lifting.