I didn't get a flawless rifle. Far from it.
I too can hardly believe that they could've put a mag through the gun at BCL without issue as it wouldn't cycle more than two rounds of anything I tried initially. But to fix the problem required an adjustable gas block to slow it down a little. OR download the ammo to achieve same effect. I went adjustable gas block and haven't had any cycling issues since. (As long as the gas block is setup for the ammunition being used.)
Again with the match chamber.....fired brass almost fits in a Lyman case gauge..its clearly a tight chamber, but it in no way has it effected rounds attempting to enter it.. Maybe brass will last a bit longer as a bonus....?
The cycling issues everyone on here that I've seen being listed is same as mine was (IMHO). Stovepiping, fresh rounds partially in chamber with spent brass stopping bolt from going forward, etc. The bolt is going too fast for the rounds to comfortably EJECT. Not extract, not feed into, ejection out the port and out of the way of bolt and new round from mag.
The trigger certainly isn't great OEM. Sure. But it certainly didn't NEED replaced. I was able to consistently ring my 400yd 12" gong with above listed cheapest possible handloaded rounds, mostly landing in a 6" pattern.
I did replace the trigger, but it certainly didn't NEED it; personal choice seeking more consistent breaks from myself.
I'm definitely not interweb stalking you bud; your flamboyantly boisterous on the 102 it seems. But don't have any skin in the game from what I can tell; YET.

That's ok, takes all kinds right.