Maxx Model AEG Steel Cylinder Li-Ion Battery The select-fire G18c can change

The select-fire G18c can change from semi-auto to full-auto with the flip of its rear slide switch

This HPA system is a radical departure from all previous systems that PolarStar has produced since the Kythera does not use a battery

Comes in black and silver CNC metal colors

This goes a long way to actively reduce mental and physical fatigue

Maxx Model AEG Steel Cylinder Li-Ion Battery The select-fire G18c can changeThe Maxx Model AEG Steel Cylinder. Made of hardened stainless steel in a variety of AEG styles. Precision made it's probably the nicest aftermarket cylinder series we've ever seen. For a variety of different barrel lengths vented holes per each length (see drop down menu). Most M4 guns are the 300 400mm barrel style. Fits in all gearboxes pick which approximate barrel length you have for optimal performance.