I've been looking at some of the many polymer AR15 lowers that have been popping up on the market. Anyone finished one of these? EP Lowers (www.eplowers.com) has some blems for thirty-five dollars every few days. Seems like one of those would be worth a try. I don't need to hear that polymer lowers are worthless because I know they're not; one of my ARs has a New Frontier Armory polymer lower that has performed smoothly and reliably for over a year. Maybe some aren't so great, but polymer works as an AR lower.