the thing about the 887, is what you see is what you get. remington makes different barrels and you can get the remington chokes. but in terms of modifying them, there is nothing for them. Their were rumors that the 887 and 870 were the same, but the receivers are completely different.
"There ain't nothing better than chasing tail and staring at big racks all day."
My trusty friend is a remington 870 express super mag. I installed a blackhawk gen I collapsible stock and a truglo red/green dot