I only had BCM BCG's as of today when I received one of those PSA 99$ free shipping "premium" branded BCG I had ordered last week for a truck AR pistol. I would be shocked if the same manufacturer made the PSA bolt and the BCM bolt. The BCM bcg looks and operates MILES better and smoother than the PSA. The cotter pin holding the FP in was a pain in the ass to get back in due to it being gapped to wide at the end. The bolt itself you have to knock it on the table to get it to seat into the carrier. Not impressed at all with PSA BCG.
I for one will not be buying anymore BCG's that are not BCM.
Owner/Instructor at Semper Paratus Arms
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Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com
Owner/Instructor at Semper Paratus Arms
Facebook: https://www.facebook.com/SemperParatusArms/
Semper Paratus Arms AR15 Armorer Course http://www.semperparatusarms.com/cou...-registration/
M4C Misc. Training and Course Announcements- http://www.m4carbine.net/forumdisplay.php?f=141
Master Armorer/R&D at SIONICS Weapon Systems- http://sionicsweaponsystems.com
I recently bought a Colt BCG that fits the description of your PSA(with the exception of the firing pin retaining pin being easy, but the cam pin was a PITA ) while 4 PSA premium groups I have were comparatively smooth and certainly did not require force to remove/ install bolt or cam pin.
My 3xPSA Premium BCGs have been all the same as yours. The staking is less than desirable but a punch solves that. Bolts are MPI/HPT marked. On a side note, I was perusing a FN 20" AR and it had the same exact BCG as PSA offers in their Premium No Logo ones. The staking was more aggressive on the FN though.
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