Bank of America and Citigroup are facing blowback from Republican politicians after using their financial influence to support gun restrictions and discourage the spread of assault weapons.

Why it matters: The backlash shows how private-sector gun control measures can put the companies under just as much pressure as politicians who try to restrict guns through new laws.

The details: Citigroup imposed new gun control policies on its clients, like age restrictions and background checks, while Bank of America said it would stop lending money to clients who manufacture military-style assault weapons.

They joined a list of companies that adopted pro-gun control policies after the Parkland shooting.

What they're saying: