Features Solid and durable steel shell drum magazine Realistic feel, look and size Realistic single-drum design Wind with the simple press of a switch Uses 3 AA batteries (sold separately) Compatibility: Tokyo Marui, CYMA, JG, Echo 1, G&P, Matrix, and other compatible AK series Airsoft AEG rifles Capacity: ~2500rds Material: Steel / ABS Winding: Push-button Battery: 3x AA's Works great no problems only used it two times I just don’t need it