Maxx Model CNC ALUMINUM Hop-up Chamber M4A - PRO hpa Make sure to use slick

Make sure to use slick precision BBs with this magazine to prevent jams and proper feeding due to the high RPS

Do not jam magazine up into the gun with a closed bolt - open and pull/lock back first

Upgraded mosfet unit

CN 201510067251

Maxx Model CNC ALUMINUM Hop-up Chamber M4A - PRO hpa Make sure to use slickMaxx Model M4A Pro Hop Up Chamber M4 AEG new 2022 model for general airsoft M4 AEG models. CNC Aluminum Hopup Chamber M4A Pro (with BB Latching System) unit is precisely machined to perform accurately and consistently on Tokyo Marui (include G&G, KRYTAC, except KWA) Standard M4 M16 AEG series. The Hopup Chamber M4A unit is built with an aluminum Rotary Dial Knob for fine hopup adjustments, the precision Hopup Lever and 4mm Bucking Nubs (6mm Bucking