In response to the Parkland, Florida school shooting two weeks ago, retailers are making moves to further restrict the sales of firearms. The latest is a big one.

Wal-Mart, one of the world's top retailers, has set new age restrictions for those wanting to buy guns in its stores.

Wal-Mart already discontinued sales of AR-15s in 2015, and does not carry bump stocks or large capacity magazines. The company is even removing items "resembling assault-style rifles" from its website.

This announcement follows the decision by Dick's Sporting Goods to stop selling firearms in its stores.

Learn more about the Wal-Mart decision to increase the age limit for purchasing firearms to 21 here.

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