I have two Stripped RRA lower receivers for sale. $150 plus $10 shipping to your FFL. Buy both for $280 plus $10 shipping. I also have two Cav Arms lower receivers. One is complete with lower parts in it and one is stripped with only the parts that are designed for use with the Cav Lower. Both also have Hogue slip on grips installed and I have added grip tape to the stripped Cav lower. $120 for the stripped lower and $160 for the complete lower with $10 shipping for each to your FFL. Buy both for $270 plus $10 shipping.