Anyone know where I can find something similar to this?

https://www.wingtactical.com/firearm-parts/ar-15-parts/handguards-rails/rail-system-parts-accessories/ergo-5-slot-m-lok-cantilever-low-pro-u-m-p-rail/

Its sold out everywhere so I'm looking for something close to it. I did find this but its not as low profile: https://www.gggaz.com/remington-tac-13-flashlight-mount.html