Just because you don't know how to use them doesn't mean the stats should be bumped up. If they are it'll become OP. Learn to use them and you won't have a problem.
If they get a buff the players who are already good with them will be completely unstoppable.
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In PvP they suck. I laughed at people who used them because they were so easy to take out. I tried using one, I could do alright but the reload was to long to stay competitive, so they either need more rounds, or more power.