Lago can shoot the ball when he's open as most decent D-1 players can do. His problem is shot selection and at PG, you shouldn't have shot selection issues because you should be the last guy shooting unless you get a layup.
Barr is big but he is a very good and underrated low post scorer. He has great touch around the basket, generates a lot of double teams leaving guys open and he shoots the FT really well unlike Adeife, Wallace and Batiste. This offense should dribble penetrate and dish and then get the ball to the low post when Barr is in every time.