KEY POINTS
  • Walmart's former U.S. CEO says the retailer's decision to stop selling some ammunition is a "thoughtful" one, but he's not confident it will reduce gun violence.
  • The biggest retailer in the world announced Tuesday that it's discontinuing sales of handgun ammunition and sales of short-barrel rifle ammunition that can be used with military-style weapons after two shootings at Walmart stores this year.

Walmart's former U.S. CEO told CNBC on Tuesday that the retailer's decision to stop selling some ammunition is a "thoughtful" one, but he's not confident it will reduce gun violence.

The biggest retailer in the world announced earlier in the day that it's discontinuing sales of handgun ammunition and sales of short-barrel rifle ammunition that can be used with military-style weapons after two shootings at Walmart stores this year. It will also stop all handgun sales in Alaska, completing its exit from the handguns category.