Replicate magic item makes a new magic item, so a sword +1 for example. The armor model's weapons are integrated and aren't a separate, unique item. Unfortunately, you can't.
They do get a +1 bonus to attack and damage rolls automatically at class level 9.
Actually, they do not. The Artificer gains a +1 to attack and damage with them. This difference means that if you cast Magic Weapon on them, the bonuses stack, up to +4 to attack and damage with a 6th level slot (requires a different class since an Artificer can't cast 6th level spells). By the time you have this feature, you will have 3rd level slots so you can be swinging with +3 to hit and damage for an hour.
Since the armorer's armor model attacks are considered Simple Weapons. Can Replicate magic Item make them +1 (To help with Scaling)?
I don't think that's the intent, but I don't see anything in the rules explicitly forbidding it.
They do get a +1 bonus to attack and damage rolls automatically at class level 9.
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True but I would like better scaling instead of a one-time +1 boost.
Replicate magic item makes a new magic item, so a sword +1 for example. The armor model's weapons are integrated and aren't a separate, unique item. Unfortunately, you can't.
Under the 2014 edition of the rules, it was possible. With the 2024 edition, it is no longer possible.
Actually, they do not. The Artificer gains a +1 to attack and damage with them. This difference means that if you cast Magic Weapon on them, the bonuses stack, up to +4 to attack and damage with a 6th level slot (requires a different class since an Artificer can't cast 6th level spells). By the time you have this feature, you will have 3rd level slots so you can be swinging with +3 to hit and damage for an hour.
How to add Tooltips.
My houserulings.