I recently got a chronicle boon opening up the Spellslinger Wizard archetype for a single character, and I wanted to double check a few things before I hit level 2.
From what I can tell from searching the Paizo messageboards, I can cast ray/cone/ranged-touch spells through my Arcane Gun, even if The spells are from another class, ie Arcanist. Does this hold up for PFS?
Along the same vein, could I sacrifice an Arcanist spell slot to put an enhancement on my Arcane Gun? Or would I remove a spell from my list of currently prepared spells?
Would I need 2 Spellbooks and an additional hour of preparation in the morning?
For spells of my 4 opposition schools as a Spellslinger, would my Arcanist spells from those schools require extra prep?
Would any spell I cast through the Arcane Gun gain the benefits of any magic weapon abilities, whether they were already on the gun or placed their with the Mage Bullets ability?
Does my Arcane Gun need a +1 on it, whether via enchanting or Mage Bullets, before adding special abilities with Mage Bullets?
Can a single spell sacrifice via Mage Bullets place enhancement bonuses AND special abilities at the same time, limited to the total bonus provided by Mage Bullets? ie +2 and Flaming from the same sacrifice?
My reading is that yes you can cast spells from other classes using the Spellslinger Arcane Gun.
The same goes for Mage Bullets, it appears you can use it with any spell.
You would get two spell books (one from Wizard (Spellslinger) and the other from Arcanist) but there is no difference between how a wizard and an Arcanist uses a spell book.
Since the Arcanist isn’t specializing, they would not need extra preparation for the opposition spells. They would still take the penalty to Spellcraft for those opposition schools when doing a check.
The only thing it says enchantments on the Gun make a difference for attack rolls or the spell saving throws. I do not believe that casting (as an example) Cone of Cold through a +3 Holy firearm would do anything other than make the spell DC go up by three.
Expect table variation on if the gun must be magic before getting special abilities. It does not say it needs to be, but the general rule is that you can only put special abilities on a weapon that is already at least +1.
Yes, I believe you can apply special abilities at the same time as giving an enhancement bonus.