G&G Armament LevAR 15 Gas Powered Lever Action Rifle 
ok so front to back 
14mm neg thread for tracer or silencer
mlock front to fit rail or mlock grips ,lights
20mm top rail for sights
takes m4 magazines
leaver action means it can be a sniper !!!!!
tapable in the handle for all you hpa peeps
great outdoor gun !!!!!