HUMMMM. Should not have need of a tune-up out of the box---but then there is one apple in every barrel,
Who did you get it through--dealer, that is???
A good trigger job is a good investment, in any event.
What kind of ammo caused the malfunctions and what were the malfunctions??
Glad too see that you could get it as quickly as you did. I would have though there might have been months of red tape.
Keep on letting us know how this project is going and give us a range report.
Blessings