G&G CM16 M4 Raider L 2.0E AEG - Black Sights The NCStar crossdraw vest is

The NCStar crossdraw vest is sized to fit kids without any issue

The HK MP5 MP5 RAS KIT - Rail System

Additionally

if your stock motor is getting old or generating too much heat

Inner Barrel: ~260mm

G&G CM16 M4 Raider L 2.0E AEG - Black Sights The NCStar crossdraw vest isThe G&G CM16 Raider L 2. 0E AEG Black is a combat machine airsoft M4 that's new for 2017. This features a longer barrel and PDW style rear stock assembly. New design and configuration featuring M Lok rail system, full metal gearbox, high quality polymer outer body, flip up removable front and rear iron sights, PDW metal adjustable stock, and more. The L 2. 0E also has a pre built mosfet unit that is programmable. The inner barrel is 6. 01mm upgraded.