henmar77, Contact Mark Laines on CalGuns or PM me for his email address. In the summer of 2010 he organized a HUGE group buy with JD Machine for their .308's. I ended up buying an upper receiver set directly from the JD shop over the phone. As much as I liked the set, it didn't work out for my build. If Mark can get you a deal still, I suggest the matched set... Additionally, Dave Branson has a Mega Arms group buy here that has a very close price to what I spent on the JD. I know for a fact that Dave can get you just the lower if that's all you are looking for.