King Arms 300rds Magazine Set for Marui M16 (Metal/ 5pcs)

King Arms 300rds Magazine Set for Marui M16 (Metal/ 5pcs) 300 Rounds Loading Capacity Suitable For Tokyo Marui M4 Series Airsoft AEG Rifle Large thumb dial Integrated winding wheel on bottom for speed reloading Suitable for 6mm Plastic Bullet BB Package including 5pcs magazines