I bought on of these on feebay,it's a single loader that you tap with a hammer to insert the primer and bullet.
I read that it only neck sizes and does not full case resize.This will cause a feed issue in an AR they say.Does this only pertain to re-used brass? If I bought new brass to load will this not matter?
I read that it only neck sizes and does not full case resize.This will cause a feed issue in an AR they say.Does this only pertain to re-used brass? If I bought new brass to load will this not matter?

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