Yes the P38 is all phosphate, even the barrel.
4 parts are blued - rear sight, safety, trigger, and grip screw/keeper.
Oh wow, I didn’t even notice that. Wish they were a little bigger so we can see them better.the other set posted has the blued slide but the photos are soooo small its hard to tell.. svw45 p38 have flip flopped blued barrels also .