Latest hi-capacity AMP magazines now available at Airsoft Extreme. Good for those who've got a lot of money to expend thousands of bbs in a single day... "New Sound Activated Drum, Box and C-Mags by AMP Tactical! Now get your Airsoft gun up to speed with a 2000 or 3000 Hicap Magazine that automatically feeds on the sound of the Airsoft Gun! Click the image below for more details.