the weapon mods have not been released yet, thus the only information available are on that mail, on the official ROF website and their forum.
Someone mentioned a more realistic reloading cycle, but to which point it's still unknown.
Hope I helped.
"It takes forever +/- 2 weeks for the A-10 to get anywhere significant..."
"Ha! If it gets him on the deck its a start!"
"What people like and what critics praise are rarely the same thing. 'Critic' is just another one of those unnecessary, overpaid, parasitic jobs that the human race has churned out so that clever slackers won't have to actually get a real job and possibly soil their hands."