From G&Gs GT Advanced Range is the TR16 CQW, a Compact CQB M4.
Featuring short RIS Rail System for Accessories, Detachable Iron Sights and 6 Position Stock. Constructed of Aluminium for the receiver and rail system with Polymer furniture. Internally it is built on G&Gs Version 2 Gearbox with G&Gs M4 Gear Hop Unit.
Specification:
18k Long Axle Motor
8mm Ball Bearings
168mm Inner Barrel