[kepp]

Originally Posted by Bwana

They seem to be coming back down a bit, just wait for a deal here and keep checking.

http://www.gunbot.net/mags

I only have experience with PMAGs and the 30rd Sig Sauer mag that came with my rifle. Are there any other brands/types that are good?

EDIT: I may have answered my own question. I checked the Sig Sauer site and their 30rd mags are $28. And if you order two, they include a mag connector. They work with the M400, 516 and 556 platforms. That, combined with the fact that my 556 takes PMAGs fine, means that these mags could very well be an option for ARs. I'm going to order 5...that will bring me up to 6 Sig Sauer mags with 3 connectors.