20mm antitank rifles with HEAT rounds?

[Ulzgoroth]

Originally Posted by Fred Brackin

DR 140 on _frontal_ armor in modern tanks may be unknown but most armor on all other facings is lower than that. See the T-72 in High Tech among others.

Current (main battle) tanks in the sense of ones that are up to date commonly have ERA on the sides, which will probably be enough to settle that.

Current tanks in the sense of ones that you can find in service with less-fortunate militaries around the world...yeah, not necessarily.