6.03 tightbore SHS high torque SHS high speed gears SHS shims SHS double O-ring piston head and air cylinder SHS Swiss cheese piston M110 spring Retro Arms trigger Standard G&G mosfet with 30 amp fuse Standard G&G HopUp with G&G green bucking Shoots around 300 fps with .25s. Perfect for CQB W high torque great trigger response 24 rps W high speed 35 rps I can include attachments or not. Also can include battery or not. Your choice. I can include different flash hider. I can also include different stock since it can't hold a battery. I can also include more key mod rail pieces. Price is negotiable depending on what all you want.