A&K M300 M4 GR-300 Full Metal Receiver and Gearbox Carbine Airsoft Gun AEG IU-M300
Shoots 380 to 400 FPS with 0.20g BB's.
Metal upgrade-able version II gearbox and steel gears.
Full Metal Receiver.
Full Metal Barrel Assembly.
Adjustable hop up unit for greater range and accuracy.
Adjustable / Detachable Front and Rear Sights.
Metal Side Folding Stock.
Ergonomic Motor Grip.
450 Round Hi-Cap Mag and TWO Screw on Sling Mounts Included.
Battery and Charger NOT Included.
Also Includes Airsoft Ballistics Very Own 90 Day Gearbox Warranty.
We recommend using a quality brand 7.4V Lipo battery and we also recommend using a smart charger.
Also please remember the use of 0.12g BB's or cheap BB's purchased at sporting goods stores and other type of stores might damage your airsoft gun and will also void your warranty.