AR10 Lower Question

[Cypriss32]

Is there any companys that sell a lower that takes DPMS mags (mainly Pmags), with armalight upper recievers?

[Cypriss32]

I found Mega MATEN..........

http://www.riflegear.com/p-896-mega-arms-ma-ten-billet-308-upper-and-lower-set.aspx

Any other choices?