Originally Posted by
titsonritz
Because the wear becomes consistent, essentially forms a custom fit. Flipping it around will make different wear on both sides. Picture this, if you never once removed your cam pin it will have a little on one side and lot on the opposite side, if you flip it around it will wear a lot on both sides. This wear will over time will oblong the cam pin hole in the bolt. The two most common places a bolt will fail are the lugs on either side of the extractor and the cam pin hole. I'm sure it is a minor issue and will only come into play with high volume users, but I'll take what I can get for nothing but a consistent practice. At least that is what I'm getting out it and hope my dribble makes sense as I'm a few drinks deep.
I think FCD's site description is perfectly accurate when it calls this as a "why didn't I think of it" moment.
While I respect Roger and Chads perspective on marking a cam pin. My 2cents after seeing functional cam pins on several suppressed short machine guns with 20k plus rds over the years is just inspect it then spend the 8 bucks when it wears out.
"your AR is shit, change my mind" - Will Larson
I make work horses, not show ponies.
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