I am trying to finalize my first build from stripped lower. So far a LMT lower with a Colt LPK and Mag pull grip. Just need the buffer tube, buffer and spring. My question is mostly about buffer tubes and one spring question.
A tube made of 7075 aluminum, mil-spec dimensions is my minimum. Is there an appreciable difference in quality in these tubes beyond those specs? Does one need Colt, LMT, BCM, Geissele tubes? If there is I'll just save up and get the better part. I decided before I started that this would be a simple but high quality build. Which is why I got the lower first last year and waited until recently for a good price on a LPK. Which leads to my next question; a Geissele multiple stranded buffer spring. Is the juice worth the squeeze for one of these?
Thanks in advance.