Oh come on, people make a huge deal out of the .040" difference between a F marked FSB and a regular one when 99.9% (guessing, but I'm probably close) of factory guns, abortion built mix and match guns, etc have never needed the additional travel to zero in.
We hear the same crap with different sized buffer tube lengths too.
As soon as one of the chosen one companies start doing something different it's acceptable though. Just like Colt with the purple finish (as you mentioned). Had Bushmaster (who used to be the chosen one) done that before Colt, we'd be bashing them for it saying it is a clear lack of quality control.
This forum is better about it in some ways than the other one, don't get me wrong. But to pretend like there aren't some double standards... meh.
I understand that BCM has built a name of quality. Mine is my go to bedside gun. There are few companies that I will buy parts from. BCM definitely should receive the benefit of the doubt as being acceptable and I fully understand the argument. I'm just saying![]()
I'm also curious as to what their process is for getting the barrels to size. I'm a machinist in training so when I see a .500 difference like that I assume someone didn't measure properly. I can't image their print has a +.500 -0 tolerance on length?
Either way, if I order something a specific length that is precision machined, I hope it's coming closer to that size than .500". My bulk material that I order comes within a 1/4".
I know, I know. "Who cares?"




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