5.56 vs .223 – What You Know May Be Wrong

[imntxs554]

A very Good Article to Read. If you have a AR-15 or M4 or M16 which uses both types of these Rounds whats the difference between the 2. I might change, but then again I been using the 5.56 since I built mine and got use to it.

5.56 vs .223 - What You Know May Be Wrong - LuckyGunner.com Labs

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