Maxx Model CNC Aluminum Hop-Up Chamber for M4E Airsoft AEG Rifles (Model: M4E) outer barrel Automatic Repair: the old battery

Automatic Repair: the old battery automatic repair function

but this adapter will work for any regulator

More of a plinker and not meant to replace gas guns or standard AEGs

Rocket Airsoft M150 AEG Spring Japanese Black Steel

Maxx Model CNC Aluminum Hop-Up Chamber for M4E Airsoft AEG Rifles (Model: M4E) outer barrel Automatic Repair: the old batteryFeatures 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