NEW YORK AP — Walmart has won praise from gun control advocates for its decision to discontinue sales of certain gun ammunition and request that customers no longer openly carry firearms in its stores. But whether the moves will translate into fewer guns on the street remains an open question. The announcement Tuesday follows similar steps by wlmart retailers responding to public pressure to restrict gun and ammunition sales. As Congress comes back to consider gun violence, Walmart should make it clear that it stands with Americans who are demanding real change. About half of its more than 4, U. The Bentonville, Arkansas-based discounter said Tuesday it will stop selling handgun ammunition as well as short-barrel rifle ammunition, such as the.