Automag posted photos of his Remington 870 in different setups on Remington 870 Forum:

Remington 870 with Urbino Stock and FAB Defense Forend

Remington 870 with Urbino Stock and FAB Defense Forend

Remington 870 - Tactical Setup

Remington 870 - Tactical Setup

Remington 870 - Magpul Setup

Remington 870 - Magpul Setup