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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. Are there any other factors that might cause me to avoid ammo?

Yes. Some ammo is loaded with copper-plated steel-jacketed bullets instead of the more common (in the US) copper- (actually gilding metal, a copper/zinc alloy) jacketed bullets. Many gun ranges do not allow bullets with steel content to be fired, as it can damage backstops and can spark when hitting rocks or cement, causing fires. Also, never shoot steel-jacketed bullets at steel targets. There have been several injuries reported due to ricochets caused by firing steel-jacketed bullets at close-in metal targets. Beyond 100 yards, there should be no danger to the shooter, but care should be taken that no one else is within a 100 yard radius of the targets.

If you are unsure about your bullets, you can use the same test many gun ranges use: the magnet test. A strong pull on the magnet usually indicates a steel jacket, while a lighter pull indicates a steel core with a gilding-metal jacket.

Sellier & Bellot (S&B) and all Russian-made ammo, with the exception of some Wolf-brand loadings, use steel-jacketed bullets.

Opinion: Sellier & Bellot has increasingly been causing "Kabooms" (kB!s)--causing rifles to explode because of weak casings and poor quality control. You may wish to avoid this ammo.

Kaboom! A victim of bad reloads.

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