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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.
Miscellaneous .223, 5.56 and Other Ammunition Questions.
Q. What are the dimensional specifications for M855 and M193 casings?
M855 (Left) M193 (Right).
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