A shot from a UGL or grenade throwBIS, when you hit the glass any city buildings will not break this glass. As seems to me a hand grenade needs to have a 50/50 chance to break in.the game boasts to the player an advanced system of penetrations, And UGL grenade should always break thebut in the case of the UGL grenade and glass of civilian building.
BISany windows, please fix this, for examplewe have a complete lack of elementary physics of penetration.
A shot from a UGL, as glass is perfectly breaks down after bullets. when you hit the glass of any buildings will not break this glass.