Maxx Model CNC Aluminum Hopup Chamber for M4 / M16 Series Airsoft AEG Rifles

Maxx Model CNC Aluminum Hopup Chamber for M4 / M16 Series Airsoft AEG Rifles Features Machined from a solid aircraft aluminum block with tight tolerances to provide better accuracy, consistency, and durability Precision rotary dial design for fine hopup adjustments Re-engineered the hopup 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 21.00mm Fully compatible with most aftermarket soft and hard rubber bucking without losing FPS or dropping BBs Equipped with a new CNC Delrin Locking C-Clip design to hold barrel tight without wobbling and twisting, 3 compression springs on top, at bottom and in center of housing to ensure the hopup unit is exactly centered, straight and air tight Compatible with any 11mm inner bore AEG Gearbox/HPA Engine nozzle outlets Specially designed with BB Latching System to prevent dropping BBs after removing the magazine, Manually opened to rel