Your talkin about guys that mix-n-match crap and order junk online from the cheapest vender, then slap it all to gether and wonder why it wont cycle perfectly. Ohhh... must be this crap x39 case/chamber... maybe I should go BLACKOUT baby, Yeah!
You are probably right. One reason I won't buy bubba's home built AR, lol. There is so much crap out there, and if thrown together, any caliber is subject to issues. I also know a few guys that actually know what they are doing have great success with X39 ARs. But, myself being new to the platform, and actually DON'T know what I am doing, just purchased a factory built 330BO upper. I wanted to give it a "shot" (no pun... ok, pun). The main reason is if I don't like it, I can pull the barrel and keep all the other parts and just put it back together as a standard .223. I am hoping that ammo prices come down though, but it also gives me an excuse to get into reloading which I have been dragging my feet on.
SO far, I like it. But, it's still up in the air as far as it goes. We'll play it out and see how it goes. I have known many "AR guys" that are full of schit, and just because they built an AR on their kitchen table, think they are Smiths, lol.. I'm not a "real" AR guy, I'm a vintage milsurp guy personally. Those I know, AR, not so much other than what I used in the Military as a "user".