The weapon as subject I will be using is the OBEYA FBW.
Dual Wielding should present itself as a Primary Weapon that also fills place of the Secondary slot, but as it already acts as a Secondary if drawn from the Secondary slot.
Magazine pool would only be extended because you now hold two guns, I.E, the OBEYA FBW holds 15 rounds so as a Dual Wield, it will have 30 rounds, each pistol will hold their own amount, this is given reason later explained on . Ammo held in each pis