VFC has made a very sweet low profile scope mount for Umarex MP5, HK33, G3 GBB.
This mount is made with full CNC aluminum with hexagon screws for quick installation, and keeps the rifles footprint compact even with a scope attached on.
Picatinny rail.
Designed for Umarex MP5, G3A3, HK33 & HK53 Series Airsoft Guns.