Maxx Model CNC Aluminum Hop-Up Chamber for M4E Airsoft AEG Rifles (Model: M4E) Maxx Model Eight position adjustable length of

Eight position adjustable length of pull

Fully adjustable hopup system

it may not fit

Fits on the AEP Mp7 and possibly other types as well

Maxx Model CNC Aluminum Hop-Up Chamber for M4E Airsoft AEG Rifles (Model: M4E) Maxx Model Eight position adjustable length ofFeatures Hop up for standard AEGs with standard AEG inner barrels (Newest Gen.) Machined from a solid aircraft aluminum block with tight tolerances to provide better accuracy, consistency, and durability Precision rotary dial design for fine hop up adjustments Re engineered the hop up levers and nubs to work best with R hop, Flat Hop and Standard Hop to keep the BBs shooting straight and accurate on every single shot Accepted the nozzle length from