PTS Enhanced Polymer Magazine AR9 (EPM-ARP9)The PTS EPM AR9 Magazine is a midcap magazine with 140 round BB capacity and has constant curve internal geometry for reliable feeding. A new remarkable design feature unique to this EPM allows the end user immediately know if the magazine is fully loaded by seeing the orange follower appear at the small see through window which is located on both sides of the shell. Specification: Color Black Material High Performance Reinforced Polymer Dimension 38