9mm AR style magazine holds up to 120 rounds

The helical slanted teeth provide a much smoother action per cyle and allows for higher torque action

Because the Piston assembly is constantly slamming against the Cylinder Head during a gearbox cycle

& sling loops

Maxx Model CNC Aluminum Advanced Speed Trigger (Style A) (Silver) GBB 9mm AR style magazine holdsMaxx Model CNC Aluminum Advanced Speed Trigger (Style A) is specially designed for fast response, smooth and consistent trigger pull on Ver. 2 Gear Box of M4 M16 series Airsoft AEG Rifles. The Advanced Speed Trigger has multiple adjustment points to control pre travel and over travel to shorten trigger pull and prevent damage to electronic switches on controller boards. The Advanced Speed Trigger is completely compatible with the popular TITAN