Maxx Model CNC Aluminum Hop-Up Chamber EVO for Scorpion EVO Airsoft AEG SMGs

Features Machined from a solid aircraft aluminum block with tight tolerances to achieve the most accuracy, consistency, and durability Performed accurately and consistently on the ASG 2018 CZ Scorpion EVO-3 Airsoft Rifles Built-in precision aluminum rotary dial knob for fine hop-up adjustments Pre-installed 4mm flat soft bucking nub (6mm bucking nub is optional, sold separately) to perform best with R-Hop and standard hop to keep the BB shooting accurately and consistently on every single shot Accepted the 18.5mm nozzle length Fully compatible with most aftermarket soft and hard rubber buckings without losing FPS or dropping BB during use Wisely built with a self-centering inlet to ensure the hop-up unit is inserted exactly in the center of the 11.5mm inner bore ASG EVO-3 gear box outlet without wobbling Included an advanced CNC Delrin locking C-clip to hold the inner barrel tight in place without wobbling and twisting Optional dual LED tracer module allows you to have tracer capabil