I would get it engraved with your trust's name and city before doing the Form 1. Never know if any problems might occur while getting it engraved like errors in engraving or lost in shipment. No problem doing it before since it's not an NFA item yet. I did mine after the stamp.
It is far more important to be able to hit the target than it is to haggle over who makes a weapon or who pulls a trigger.
— Dwight D. Eisenhower