The AR15.Com Ammo Oracle

History and Basic Design of .223 and 5.56 Ammunition.

Performance of .223 and 5.56 Ammunition.

Terminal Performance of .223 and 5.56 Ammunition.

.223 and 5.56 Ammunition Testing

Selection of .223 and 5.56 Ammunition.

Ammunition recommendations from the authors of the AR15.com Ammo-Oracle.

Purchase and Storage of .223 and 5.56 Ammunition.

Legal questions.

Miscellaneous .223, 5.56 and Other Ammunition Questions.

Ammo Oracle

Q. Will steel-jacketed bullets wear out my barrel?

Steel-jacketed bullets are always plated with a layer of copper to help protect the bore of the gun. There should be minimal extra wear in a rifle with a chrome-plated bore, but many people are of the opinion that steel-jacketed bullets should be avoided in non-chromed barrels.