I'm sure this has been covered a thousand times before but I did a search and can't find the answer I'm looking for. I have an AR-15 16" mid length upper receiver that I will be attatching to an OLL. I'm trying to gather up parts to assemble a lower receiver, is a regular carbine buffer appropriate for my application? Rainier Arms has the LMT 2.8 oz. standard, H2 and H3 buffers available. Which is the best choice? Also, on a side note... is this "M-15" lower parts kit compatible with an AR-15 OLL?
Thanks for any helpful suggestions!
Thanks for any helpful suggestions!

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