So, let's go back in history, IIRC the originator of the chart was 'run off' the forum. Curious about the why.
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Honestly I like all three of my PSA uppers on self made lowers. Never had issues with zeroing of optics and irons zeroed better than my old Olympic (yes it was meh). I Have one with a fn crome (20inc), 2 nitrated (16.5 and 10). I will say my FN barrel is by far the most acurate at 100 (just sub MOA). The two nitrate hold maybe 1.5 but odds are thats just as much me. Never messed with PSA lowers but did use the PSA parts kits with the gisleee (i cant think of how to spell it) G2S to build out my lowers. Buffers and tubes are all over the place based on what I could get at the time. I have had and sold Colts, FNs, DPMS, Olympics and bushmasters (pre buyout). All were good but do think my best was FNs. Id rate based on my experience the FN 20inch on par with my old FN (probably case well same barrel and good bolt) the Nitrated a same quality as my older bushmaster and like 2 levels above my Olympic.
Pretty sure pre-2011, which was around when I jumped online for the AR platform. It was being referenced at that time.
Yeah, a new one would be nice but it would have to ignore a TON of market players. Basically would be "here's who makes nothing to spec" and just list basically everyone. SOLGW, Aero, Anderson, AndroCorps, etc etc. Mostly because they use rails and no FSBs for their stuff. (Not because the make a bad rifle).
Then, here's the guy's that make a M4 and M16 style, so let's dive into them. Colt, BCM, S&W, PSA, Rock River, etc.
Nevermind..
So you probably have somebody in your life that is dealing with a very serious problem and I think if we had to get serious for 5 seconds we'd all wish you the best and you'd have our sympathies if that mattered at all.
But just as serious, take a breath and understand flippant comments on the net directed at nobody specifically are just that and nothing more.
It's like somebody looking at your user and assuming "88" means you are a nazi when it is more likely your birth year or something like that.
There is CLEARLY a distinction between "Colt Autism" and "autism", stop working so hard to be a professional victim.