Category: Atlantic Salmon / Steelhead / Trout / Seatrout
Hook: Daiichi 7131 Double Salmon Hook, #8
Tag: Gold wire or fine oval tinsel
Body: Purple floss
Rib: Oval gold tinsel
Hackle: Dyed purple hackle fibers
Wing: Black squirrel tail over dyed yellow squirrel tail
Purple McBain, from Trout and Salmon Flies of Scotland by Stan Headley was dressed by contributing fly tyer Monte Smith. This is one of those crossover flies that can be used for Atlantic Salmon and Steelhead.
You can see more of the flies tied by Monte Smith and many of his own designs on his page on this site, Monte Smith Flies.