I purchased a lower through rainier arms website two weeks ago and arrived 4 days later as stated. They responded to emails as fast as they could. They had great customer service and a great product!!!
Got email notification of MEGA NiB upper/lower set in stock today at 6:11pm. Didn't get the email on my phone for a few minutes. Went to check and they were sold out Oh well, probably too much to spend anyway.