G&P M249 Auto Loading Ammo Box (3000rds)

G&P M249 Auto Loading Ammo Box (3000rds) 3000 Rounds Loading Capacity Magazine Fit for 6mm BB Bullet Suitable for G&P M249 & MK46 Series Airsoft AEG Rifle Airsoft Guns Controlled by a circuit sensor, BBs will be loaded automatically from the ammo box when the trigger is pulled Inner have electric sensor driven