5.56 NATO & .223 Ammo

5.56 NATO and .223 Remington ammo for AR-15s and bolt guns: bulk FMJ, match and varmint loads. Ships to your door where legal.

Showing 1–16 of 148 results

Buying 5.56 NATO & .223 Ammo online

55 grain FMJ is the classic practice round, 62 grain loads suit faster-twist barrels, and 69 to 77 grain match bullets shine at longer range. Use .223 Remington in rifles chambered only for .223; 5.56 and .223 Wylde chambers take both.

Shop 5.56 and .223 rifles and AR magazines.

5.56 NATO & .223 Ammo FAQ

Can I shoot 5.56 in a .223 rifle?

Not in a rifle chambered only for .223 Remington; 5.56 NATO runs at higher pressure. 5.56 NATO and .223 Wylde chambers can fire both.

What grain 5.56 ammo should I buy?

55 grain for general practice, 62 grain for barrels with a 1:7 or 1:8 twist, and 69 to 77 grain match ammo for precision at distance.

Can ammo ship to my house?

In most states, yes. Ammunition ships by ground and needs an adult signature (21+) on delivery. Some states and cities require ammo to go through a dealer or ban shipment; checkout blocks those orders for your address.