"Just out of curiosity Mobuck, do you gave any hands on experience with either?"
I do or I wouldn't have made a comment.
I have approx a dozen PSA uppers in various configurations and 3 BCA (one pre-assembled upper in 6.5G and 2 BCA barrels I've installed).
The BCA bore finish is less than hoped for. The little note said BCA doesn't recommend the use of steel cased ammo but oddly enough, the proving cases included with the complete upper were from WOLF steel cased ammo.
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