PTS Enhanced Polymer Magazine - AR9 ( ARP9 / PX9)A new remarkable design feature unique to this EPM as it allows the end user to immediately know if the magazine is fully loaded by seeing the orange follower appears at the small see through window which is located at both side of the shell. The extended baseplate provides a better grip and more control while drawing from the pouch. Securely screwed at the bottom of the magazine, a marking matrix is implemented at the bottom of the baseplate for