Classic army SR25 Dmr shoots semi only Comes with 150 spring (not installed) All metal gearbox with helical gears (perfect for the 150 spring) Inner sealing alumina air nozzle Aluminum piston head Aluminum cylinder head Aluminum piston 14tooth JG high torque motor Magpul grip Rear Iron sight included front sight is Voltor and integrated into the gas block Inner barrel extends into suppressor With the 150 spring it’ll shoot to hot for full auto, if I remember correctly it was shooting 518fps with .25g bbs Right now it’s shooting in the low 300’s with .30g bbs. I’m also including 3 high-cap with Magpul. No trades Price includes shipping