A big win for conservative groups and Second Amendment advocates.

The Gateway Pundit previously reported that the mayor of New York City, Eric Adams, along with other elected officials and state pension fund trustees, have requested that major credit card companies implement a weapon code for the purchase of firearms and ammunition.

Officials in New York City and the state of New York have asked American Express, MasterCard, and Visa to make a four-digit merchant category code (MCC) like the ones used for other retail categories to better identify and report suspicious behavior, such as large purchases of firearms.

"The creation of a new code would help financial institutions detect and report suspicious activity, such as unusually large purchases of firearms or ammunition, or purchases from multiple stores, that may be used for criminal purposes," it claimed.

According to the news release, "credit card companies use a four-digit merchant category code to classify businesses by the types of goods and services sold. Merchant category codes are set by the International Organization on Standardization (ISO). Unique merchant category codes exist for grocery stores, sporting goods stores, bicycle shops, and many other retailers — but not for gun and ammunition stores."

Last year, the International Organization for Standardization –the organization in charge of setting standards for business transactions — voted to create a "merchant category code" for gun purchases.

This will allow banks that process payments from gun retailers to assign the new code to the gun stores.