The Russian GP-35 grenade launcher got its own airsoft version in the form of the TAG-35 Under Barrel Grenade Launcher (UBGL) from TAGInn/Airsoft Pyrotechnics. It looks awesome to use with its realistic operation. Red Army Airsoft gives us all the details in this video review... "In this video, we will look at the new TAGinn under-barrel grenade launcher (UBGL) on the expelling charge - TAG-35.