If you employ the RT optic mounts, this cheek piece is a necessity. Matches completely and presents an awesome line of sight. Trying to get these for yourself. We don't have it released for the time being. A 3.9oz with 15rd mag loaded. No 2nd mag having a purple dot https://recovertactical202064184.azzablog.com/23724448/glock-recover-kit-no-further-a-mystery