re: What caliber is your AR and why did you choose that one?

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I have a .556 / 223 but want another in a different caliber. What do yall suggest?

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I have a couple in 7.62x39.

Got them before the Russian ammo ban, which cost the same as 9mm, so it was a no-brainer then. Even now, it still runs about the same as 223/556, and gives you a different caliber to sling.