Remington 870 Express Magnum (old style), with 18.5" 870P barrel.
Surefire 618 forend light
Wilson Jumbo head safety
Wilson Hi Viz shell follower with Wolff stainless steel magazine spring
XS 24/7 Big Dot night sights
GG&G Single point sling adapter
No side saddle (I personally don't like 'em)
Latest picture of the SG with the recently installed XS sights. Which BTW I love.