Easy to change 12 gram CO2 powers this full blowback Gen4 G17 and launches

turn off full auto and go semi only

The modular capability allows the lower to swap out to different Tapp Airsoft models for the M4

Includes H&K traded rail covers

MAXX Model Airsoft CNC Aluminum Hop-Up Chamber AEG Series IM - PRO (Gold) Fusion Engine Easy to change 12 gramMaxx Model Features Machined from a solid aircraft aluminum block with tight tolerances to provide better accuracy, consistency, and durability Improved accuracy and ensure consistent air seal for ICS CXP CS4 EBB (include old models) M4 M16 AEG series Precision rotary dial design for fine hopup adjustments Re engineered the hopup levers and concave nubs to work best with R hop, Flat Hop and Standard Hop to keep the BBs shooting straight and accurate