Magazine material: steel, Bearings type: steel sliding, Gearbox version: v.2, Bearings diameter: 7 mm, Magazine model: hi-cap, Battery type: cube, Accumulator connector type: small Tamiya, Battery cells type: mini, Battery included in set: YES, Material: aluminum, nylon, Color: black, Fire type: auto, single, Ammo: .23g, .25g, Serial number: YES, Length mm: 710, Inner barrel length mm: 220, Magazine capacity BBs: 200, Inner barrel diameter mm: 6,03, Battery voltage V: 8,4, Battery capacity mAh: 1200, Gun Model: MP5