I handled one of the Gen 2 BCL 102's today that a coworker got. I was not very impressed. The machining of the receivers was decent, still some sharp corners & edges. The Cera-coat job was okay. The things that bugged me were the looseness of the Gas rings to BCG fit. If it was a AR15 I'd saw they are wore out, but maybe the rifle was designed this way. The opening in the upper is about 1/8" too long for the port door, so with a slight bump it pops open. The bolt catch seemed like it was barely catching the bolt. And Pmags (gen II or gen III) do not drop free, ASC 10 round XCR-M mags barely drop free. And a AXTS Raptor charging handles doesn't fit (they fit on the Gen I's). Also there was a scratch in the Cera-coat on the barrel from who ever installed the handguard. If it I got a new firearm like that I wouldn't bee too happy. The over size port door opening bugged me the most, since that cannot be changed with replacement parts. Like how is that even possible?? They find some 1/8" smaller port doors? Where their digital calipers zero'd wrong when checking dimensions on the part? Can they not see the obvious gap?
I cannot comment on function because it has not been fired yet, or how tight the chamber is since I did not bring my headspace gauges.