Originally Posted by Bob Dopolina

As promised...

I have spoken with two frame vendors in the last few days and they both gave me the same answer. BSA is cheaper and easier to do than either BB30 or PF30.

With a BSA frame the shell is bonded into the frame and then the threads are cut. If the alignment is off just a wee bit it doesn't matter because the cutting tools will take care of that pdq.

With BB30 the alignment must be spot on which means set up time is longer and failure rates are higher which slows down production and increases costs.

Conspiracy debunked.