Hop up: adjustable, Barrel thread type: counter-clockwise, Magazine material: steel, Bearings type: steel sliding, Gearbox version: v.7, Bearings diameter: 7 mm, Magazine model: hi-cap, Battery type: cube, Battery included in set: YES, Material: ABS, aluminum, Color: wooden, Fire type: auto, single, Ammo: .20g, .23g, Serial number: YES, Length mm: 1130, Inner barrel length mm: 570, Magazine capacity BBs: 400, Inner barrel diameter mm: 6,03, Battery voltage V: 8,4, Battery capacity mAh: 1100, Barrel thread diameter millimeters: 14, Gun Model: M14