Aero Cylinder Head Ver 2 end of year sale Bifrost works in three modes

Bifrost works in three modes - the tracer mode that irradiates the BBs

The easy to use trigger retention system operates by simply depressing the lever and removing the firearm

The modern cut is designed for an optimal fit to the user

Weight: 150 g Shipping weight: 170 g

Aero Cylinder Head Ver 2 end of year sale Bifrost works in three modesDetails Weight: 10 g Shipping weight: 20 g Prometheus Prometheus a Japan based company that can be easily described as "legendary" among new airsoft players and veterans alike. Best known for their superb inner barrels, Prometheus decided to expand further, providing top notch tuning parts for gearboxes and hop up units.