I have a Rem 870 20ga that I have a couple of stocks for.
Both types are synthetic. The traditional stock and forearm I use for dove or squirrel, etc.
I have the Rem Surshot stock and forearm that I put on it during turkey season. I really like it as it has the "pistol' grip cut out on it and it makes a huge difference on holding the gun dead still.
I am a Remington man by confesion.....love 'em