MS90 Non-Linear Spring end of year sale Durability against adverse weather conditions

Durability against adverse weather conditions and rust is ensured by a polymer layer

Earpieces and temples are injection molded with rubberized elements for improved comfort for prolonged usage

GBB valves

we can find high-quality YKK zipper and button closure

Dimension: 24

MS90 Non-Linear Spring end of year sale Durability against adverse weather conditionsDetails Spring force: 6. 17 kg Weight: 20 g Shipping weight: 26 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.