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I have the PSA Premium BCG in a lot of my builds and they have all been flawless.
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That's because PSA's "Premium" line is good stuff. Just like their Premium CHF barrels; that are some of the best shooting barrels I have and some of the tightest grouping barrels I've ever shot.
PSA Premium C-158's
Spikes standard
BCM standard
AIM's 9320 Nickel Boron bolts
AIM's V2 C158 Nitride bolts
Windham Weaponry standard C158
Colt standard bolts
All of the aforementioned are bolts I have a good deal of experience with and have never had a problem with any of them. I shoot hot IMI, PRVI, Federal Lake City, and Winchester 90% of the time. I trust mine, and my family's lives with them. From my experience I don't think you can go wrong with any of them. Go with what you know and stop worrying about it. Everything breaks eventually. So stock up on some quality bolts and plan/replace accordingly... Pick a known maintenance schedule and follow it. I like to change out bolts at 12-15K rounds for peace of mind. Changing at this interval I've never experienced a failure, yet! But it will happen sooner or later to me... YMMV
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