To see what gamers build today, read https://www.reddit.com/r/PCMasterRace/wiki/builds
Your specs are fine but overkill for laptop gaming. Also, Nvidia is about to change the GPU lineup with new models plus you find such high end laptops don't go past a year or two till they need repair. This seems to really upset owners but is true when you heat up a machine like this.
Hi there! Please help me find perfect laptop for me!
1. Display--120Hz up
2. GPU-- Nvidia GTX 1080/1080Ti
3.CPU-- i7-8086K/i7-8700K
4.WLAN-- Intel AC 9560/ AC 9260
5.RAM---- Maximum output (Speed and Space)
6. Storage --- RAID 0 [512GB Samsung 970 Pro] X 2 and 2.5'' HDD/SSD space
Any Manufacture Build or Custom Build Laptop is okay.

Chowhound
Comic Vine
GameFAQs
GameSpot
Giant Bomb
TechRepublic