Hop up: adjustable, Magazine material: steel, Bearings type: steel sliding, Gearbox version: V3 HYBRiD, Bearings diameter: 8 mm, Magazine model: hi-cap, Blowback: yes, Accumulator connector type: small Tamiya, Battery cells type: mini, Battery included in set: NO, Material: aluminum, wood, polymer, steel, Fire type: auto, single, Ammo: .20g, .23g, Serial number: YES, Length mm: 950, Inner barrel length mm: 490, Magazine capacity BBs: 300, Inner barrel diameter mm: 6.03, Gun Model: AK47 / AKM / AK74