Also Includes: Angel Custom Airsoft "FIŘEWORK" Automatic Tracer Unit w/ Simulated Muzzle Flash (Model: HORNET) Plus Matrix Metal 300rd Hi-Cap Magazine for M4/M16 Series Airsoft AEG Rifles PRODUCT SPECIFICATIONS Length: 760mm-840mm Weight: ~3500g Maximum Effective Range: 120 feet Magazine: 300rds. Compatible with JG, Matrix, Tokyo Marui, G&G, MAG, and other similar M4/M16 Airsoft AEG Mags Gearbox Type: Version 2, Metal Fully upgradeable Thread Direction: 14mm negative Hopup: Yes, Adjustable Motor: Long Type Fire Mode: Semi/Full-Auto, Safe Inner Barrel Length: 363mm