I'll chime in here and say the best place to get accessories is through S&W.Thats who i have to use if i need anything for my 4046.They are great guns but hard to shop for.Just in case your looking for a nice holster for it,check out
www.packinheatleather.com they have a bunch of different holsters in leather for it.By the way they have as many lefty holsters as they do righties,i know i'm a lefty to