I have 2 spare bolt carrier groups. I purchased these a while ago. They have sat in a safe for over 5 years in a baggy with oil. I want to say they are DPMS. $80 a piece. Add $6 for USPS shipping. Otherwise FTF in Hillsboro @ Sportsmans. Please send convo for infos. Thanks for looking. Reno911 Sold. Thread locked.