I’ve had a nova for about 9 years, it’s eaten close to 7k rounds… it hasn’t malfunctioned yet. Clean it and run it, I don’t think it needs a thing, but depends on your plans.
No, I would just leave it alone. If it were a tactical gun, there is a bunch of shit. But for my hunting Nova, I just put a Limbsaver recoil pad. Now that is awesome.