This is perhaps the best integrated flashlight foreend for a shotgun. The Streamlight TL Racker is a 1000lumen integrated shotgun for grip and it has a 300yard throw that will light up anything so you can see.
Streamlight 69600 TLRacker 1000 Lumen Forend Light for Mossberg
https://amzn.to/45e0Yz0
Streamlight 69601 TLRacker 1000 Lumen Forend Light for Remington Selected 870
https://amzn.to/4ecPRu2