Here are interesting photos of Surefire M300A Mini Scout Light on Remington 870 with Magpul Forend from dbett from Remington 870 Forum:
The switch for the Surefire light mounted with the Magpul MOE illumination kit.
The Surefire M300A Mini Scout light mounted with the Magpul illumination kit. (Scout Mount)
These are all the parts:
|You can get Remington 870 Scout Mount on Brownells|
|You can get Magpul Moe Illumination Kit on Brownells|