What are the specific differences between the two types of ammunition? What does the X signify? Is one superior to the other?
I know they're both 62 gr steel penetrator 5.56.
What are the specific differences between the two types of ammunition? What does the X signify? Is one superior to the other?
I know they're both 62 gr steel penetrator 5.56.
Last edited by Joethe33; 11-03-11 at 10:22.
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