That muddied the water. Mine is SGW, which in the s/n listing says all cast in the number range. Now to take it out and look at the details from the pix.
Being the owner of an Oly forged lower I can say it runs plenty good and that's using 5.56 90% of the time.Can't find anything to dislike about it. That said, I'd pick any reputable forged lower as it works for me.
Bump... I just wanted to thank everyone who participated in this thread, the results were varied but are useful to me. Part 2 of the "AR lower receiver poll" series was created today, here's a link to the new poll: Another AR lower poll | Survival Monkey Forums Thanks again, I appreciate all the input!