MAXX CNC Aluminum Hopup Chamber M4A - PRO G19X These rifles inspire the image

These rifles inspire the image of a weapon you would normally see being wielded by Transforming Robots or Space Spartans that are so bad-a** they need TWO adjectives of authority to make up their name

MRS: Circle Dot

Detailed replica

Quick-change spring set up

Dimensions: 34mm x 12mm x 9mm (not including wiring)

MAXX CNC Aluminum Hopup Chamber M4A - PRO G19X These rifles inspire the imageCNC 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 Nubs are optional) to perform best with R Hop and Standard Hop to keep the BB shooting