The Merica 5" is a pure core racer, soon to be released, by Catalyst Machineworks.
My proto is showing 232g on the scale before pack despite a 5V regulator due to no BEC on the 4in1 ESC I had in my ESC box.
Available here:
https://www.catalystmachineworks.com/collections/frames/products/merica-5-inch
Thanks to Catalyst Machineworks for keeping me in the air.