primary arms glx 2x prism w the acss cqb-m5 reticle in 300 blackout (now discontinued). some scratches on the battery cover. other then that it's in great condition. glass is clean and clear. has 11 brightness settings plus 2 night vision settings. comes with original box, manuel, etc. looking for $300, i'm open to trading for other optics lmk what you got!