Bungie did say that a fully maxed weapon in the hands of a low rank player would still be dangerous.
Effectively they would be glass cannons.
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We're both glass cannons equally if we die in one shot.
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True but special or heavy (rocket launcher) weapons were always incredibly powerful. They always one shot everything. We can take more damage but a direct hit will be death for us all. We simply have a better chance of surviving indirect or partial hits than lower lvl players.