I can't answer number two for you but I just ordered the same bumper from Jeff and they'll put whatever tabs you want in the slot. I went with a 30" RDS bar and they tabbed it accordingly but I've seen bumpers tabbed for square pods so I'd imagine it's possible if the light cannons would actually fit.
Mine took less than two weeks to be completed in raw form. I'm getting specific powder on mine that they didn't have access to.
Mine took less than two weeks to be completed in raw form. I'm getting specific powder on mine that they didn't have access to.