HAO G Style Super Precision mount is made from the whole T7075 Alloy billet. Lathe into one a peiece mount then EDM wire cut the cap part. Make minimun tolerance for your red dot.
 
High precision workmanship bring you the best replica red dot mount.
* lower third hight 
 
Anodizing / surface treatment disclaimer from Geissele for reference :
https://geissele.com/anodize-shade-variations-and-finish-methods