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kaid |
![Goblin](http://cdn.paizo.com/image/avatar/Pathfinder1_02c.jpg)
The most common two weapon mount setup is going to be to use them both to work as a long arm/heavy weapon mount or ranged weapon/melee weapon. Not a lot of utility wielding two small weapons or two melee weapons. The big thing you would gain for doing so is extra battery/magazine capacity and potentially different resist types in case you are fighting a variety of creatures with specific resistances.