Maxx Model CNC Aluminum Hop-Up Chamber for M4 Airsoft AEG Rifles (Model: M4G)BLACK Hop Up Parts or multitool in front of

or multitool in front of the chest rig

Four reticle reflex style sight that fits on all top rails

upgraded microswitch trigger wiring

S-MAG Hi-Cap Magazine

Battery and charger are sold separately

Maxx Model CNC Aluminum Hop-Up Chamber for M4 Airsoft AEG Rifles (Model: M4G)BLACK Hop Up Parts or multitool in front 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