And that is what usually happens.Originally Posted by msedward43
yeah, I'm going to send an email to them now. I started the thread mostly as a "hey guys, is this severe enough for me to bring to their attention? or will they just tell me to bite a sock off of this amount of cant" as I can be sometimes a little over perfectionistic.... might as well hit them up and see what they say since it seems to be severe enough to irritate most people
as for receiver extension cant being a thing. Yeah it easily can be. there's always tolerancen stacking in the fitment of the end plate little tang that fits into the receiver extension groove. you can usually clock it 2-3 degrees either direction with many of them and if you aren't holding it still when torquing down, the receiver extension can slip a bit and clock to the left as it's torgued down. That can be an issue if there is too much play between the parts, OR if the person puts some heavier than normal torgue onto the castle nut. That means it actually torgues the extension around and gouges the threads onto the end plate "tang" a bit allowing the buffer tube to turn further than it's supposed to. Kind of the RE version of over torquing a barrel nut and having the FSB becoming canted. It's almost impossible to be PERFECTLY level and on point (if you look very closely at most receiver extensions there is like 1/2 to 1 degree cant either direction) but I haven't seen it that much before on a factory lower from a well known mfger
I had it happen a few times with my own receivers back in the day, but never with a higher end one like BCM or SOLGW or DD. I sadly didn't look at the receiver extension when I got it because I had about half a dozen BCM lowers and never seen it before.
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