Quoted:
Again folks, I'm in the process of accumulating the parts for a couple of more builds while I'm home for a few weeks this summer.  Not being able to examine stuff as the big brown truck delivers it to the house puts me at a disadvantage, so over the past few years I've relied on the good people here for answers to compatibility issues.
On to my question.  I now have a couple of BCM stripped barrels waiting at the house, my plan is to assemble them to A1 receivers and to use milspec type FSB's.  The Bravo website states that the barrels are dimpled for positive gas block attachment.  As I mentioned I will only have a couple of week window so sending things off to some place like Adco for proper tapered pin installation is not an option.  From my searches here I've learned that the likely choice from Fulton Armory is actually meant for match rifles and that what appear to be set screws are meant to engage flats milled into the barrel.  The clamp-on FSB by Armalite seems to be the simple solution, but if I have any other option I'd prefer something with a more positive mounting.
Any suggestions?  Is the spacing of the dimpling on BCM barrels compatible with any sort of FSB?
As usual, thanks in advance for any advice.
Craig