SLR Rifleworks 13" SD - LT Gen 4 M4 AEG Airsoft Rifle w/ GATE Aster

Specifications
Brand: Lancer Tactical
Material: Metal Alloy
Gearbox: Gen 4
Gears: 16:1 Gearset
Motor: 25K RPM
Fire Modes: Safety / Semi-Auto / Full-Auto
Hop-Up: Rotary-Style, Adjustable
Muzzle Velocity: 380-400 FPS ( w/ 2.0g BBs )
Mosfet: GATE Aster 2 ETU Mosfet
Stock: NSR Adjustable (Fits Larger Batteries)
Color: Black
Features
Pre-installed GATE ASTER 2 Bluetooth programmable MOSFET and Adjustable Quantum Trigger
Ambidextrous Enhanced Fire Controls
Ambidextrous Charging Handle with Functioning Bolt Catch
Ambidextrous Rear Sling Plate
Front and Rear QD Sling Points
High Quality NSR Billet Style Receiver with Weather-Resistant Matte Black Finish
Officially Licensed SLR Rifleworks CNC Machined SD Series M-LOK Handguard
Officially Licensed SLR Rifleworks Training Mock Suppressor
Monolithic Picatinny Upper Rail 
Upgrade Faxon Flip-Up front and rear sights with a quick deploy release
High Speed 140rd Mid-Cap Advanced Polymer Magazine (APC)
Quick Change Spring System
Deans Connector
CNC Rotary Hop-up Chamber
6.03mm Tight Bore Inner Barrel
NSR Stock with Rubberized Buttpad
Ergonomic Pistol Grip with Quick Access Motor