Good work mate, I like what you've done s far. Here's some things you need to work on:
-The proportions are a little off, the hands are slightly too big, and the wrists ar too long and wide. The wrists cover watch straps due to their width, and when CJ is using a phone a part of his wrist juts out due to its length.
-His Right hand's fingers are too straight, his pinky and ring finger should be bent to accomodate for when he holds an AK or a rifle, otherwise it looks a little silly
-The default texture needs to be remapped to this model, as the palm is off-center and the fingers appear off too.
Could you tell me how, if you used 3ds max and kam's scripts, you exported this as a dff? Like what steps did you take? Because I am unfamiliar with the scripts and when I exported I got an immediate crash from gta sa.
I've tweaked the model to address the wrist and the right hand's fingers, but I cannot test it due to my bad exporting skills. I'll send you the dff if it works as the model is yours.