Hex cutouts on the rear of the slide provides ample grip when racking as well as providing a unique look

making it much easier to move around without noise

accessible through the buffer tube

but now has an intuitive easy to access programming switch built into the gearbox that allows quick changing of pre-programmed fire modes

Compatible with all FCU's

Lancer Tactical Gen 2 10"Keymod M4 Evo AEG Airsoft Rifle Battery and Charger Included MTU011 Hex cutouts on the rearSpecifications Brand: Lancer Tactical Operation: Electric Automatic Construction: Nylon Reinforced Frame Metal Gearbox, Outer Barrel Polymer Pistol Grip, Muzzle, Stock Firing Modes: Fully Automatic, Semi Automatic, Safe Muzzle Velocity: 370 390 FPS with 0. 20 BBs Magazine Capacity: 300 Rounds (High Cap) Gearbox: Full Metal Version 2 Motor: 18K RPM Quick Change Spring: Yes (M120 Installed) Battery: 9. 6v NiMH Nunchuck Recommended (Battery and charger