rb211 posted very good photos of his Remington 870 on Remington 870 Forum:

Remington 870 with Urbino Stock, Surefire Forend and Mesa Tactical Sidesaddle

Remington 870 with Urbino Stock, Surefire Forend and Mesa Tactical Sidesaddle

Remington 870 with Urbino Stock, Surefire Forend and Mesa Tactical Sidesaddle

Remington 870 with Urbino Stock, Surefire Forend and Mesa Tactical Sidesaddle

870 Express Magnum
Mesa Urbino Stock
Mesa side saddle
Mesa barrel clamp
Scattergun +2 extension
Trijicon night sights
SureFire forend with Malkoff LED
Graphite Black Cerakote