5.56 NATO & .223 Rifles

AR-15s and other rifles chambered in 5.56 NATO, .223 Remington and .223 Wylde, for home defense, competition, varmints and the range. Shipped to your FFL.

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Buying 5.56 NATO & .223 Rifles online

5.56 NATO and .223 Remington are America's most popular rifle cartridges, and the AR-15 is the most popular rifle that fires them. Light recoil, affordable ammo and endless upgrades make it ideal for the range, home defense and coyote and varmint hunting.

Check your barrel stamp: 5.56 and .223 Wylde chambers fire both 5.56 and .223, while a .223-only chamber should use .223 Remington. Add 5.56 and .223 ammo, AR magazines and an optic.

5.56 NATO & .223 Rifles FAQ

What is the difference between 5.56 and .223?

The cartridges share dimensions, but 5.56 NATO runs at higher pressure. A 5.56 or .223 Wylde chamber can fire both; a rifle marked .223 Remington only should not be fed 5.56 NATO.

Is an AR-15 legal in my state?

Some states and cities restrict AR-15 style rifles or magazine capacity. Checkout checks your FFL dealer's location and blocks rifles that cannot ship there.

How do I buy a rifle online?

Pick a rifle, choose a licensed FFL dealer near you at checkout, and we ship it there. You complete ATF Form 4473 and a background check at the dealer. Federal law sets the minimum age at 18; some states set it higher.