The Kublai M4 is here. The most robust gel blaster we have seen so far. Some of the features include a V2 kublai style gearbox, metal trigger/fire select/mag release & charging handle, 480 long neck motor, high quality nylon & a functional fire select. Parts are compatible with gen 8 metal gearing and 7mm bushings. 

The kublai m4 currently has limited stock - so if you are after one I would not wait around for long! 

• V2 Style Gearbox made by Kublai
• Metal Trigger
• Metal Fire Select with Single & Full Auto
• Metal Mag Release
• Metal Spring Retainer
• Metal Magazine (Gen 8 Magazine also work in the Kublai M4)
• Metal Buffer Tube bolted into Receiver & Retainer
• 480 Long Neck Motor
• High Quality Nylon Gearbox Housing 
• Nylon Body

In The box:

1 x Kublai M4
1 x 7.4v Battery
1 x USB Charger
10k Gel Balls
1 x Safety Glasses
1 x Instruction Manual
1 x Metal Magazine