I am making my own chapter using the newest rules and one of the trait advantages I picked was trust your battle brothers. If I'm not mistaken this allows each unit in my tactical squads to have true grit for 3+ points each. True grit allows the model to use a bolter with a single hand and gives it a close combat weapon. So I came up with the conversion for my units to carry a bolter in one hand and a chain sword in the other. I was wondering if this was legal or if I misinterpreted something.