I sent essentially the same info as I posted here to Brownells. I just received an email from Karen Blankenship. She says there was "a system or download issue" and that I will be issued a credit for the amount of the extra mags. Further I should keep the four extra mags sent in error at no charge.
My apologies to Brownells. They're back on my dealer list.
Edit: Karen just called to confirm that everything was OK. They're now tops on my list...but I think I'll wait a few weeks before buying again, to give them time to fix whatever was wrong.
Last edited by bowserb; May 4, 2012 at 04:54 PM.