Arthurian Airsoft - Bastion M4 AEG 11.5" ghk Advanced Power Spring

Advanced Power Spring

The STF/12 is powered by a remevoable gas tank that sits in the Pistol Grip

Velocity: 280 fps*

All thanks to Dynatex® clever engineering

Arthurian Airsoft - Bastion M4 AEG 11.5" ghk Advanced Power SpringAnother of the new models from Arthurian Airsoft is the Excalibur Bastion as with all of the Arthurian Airsoft models these are designed with the UK Airsoft Player in mind, the consistently produce FPS results between 330 345 with 0. 20g bb this makes these AEG's competitive straight out of the box without the need to spend extra on upgrades. The Bastion is not just another M4 AEG its more that the some of its parts which leads it to being just