Mon Jan 1, 0001

Payment Processors

PayPal

Blanket prohibition on firearms transactions.

Stripe

Shut down payment processing for Gab. Blocked donations to Trump’s campaign.

Firearms Merchant Category Code (MCC)

  • 2022: ISO adopted new four-digit MCC for gun/ammunition shops, at urging of Amalgamated Bank (New York) working with gun control groups
  • Previously gun shops lumped with general sporting goods stores
  • Visa, Mastercard, American Express initially agreed to implement, then paused after backlash from Second Amendment advocates
  • California passed law requiring firearms retailers to adopt the code by May 2025
  • Multiple red states passed laws prohibiting the code
  • The MCC shows that a transaction occurred at a gun store and the total amount; does not show individual items purchased

Sources