Hard Piston G&G test-collection making it exceptionally durable and

making it exceptionally durable and resistant to damage

The total volume is approximately 54 liters

M31 features several design solutions:  Low-profile ambidextrous construction for ease of use of firearms  A waterproof battery compartments  Three sound amplification levels  Two reinforced microphones for enhanced situational awareness  Battery saving mode  Adjustable headband  Integrated 3

bungee en Picatinny adapter

Hard Piston G&G test-collection making it exceptionally durable andDetails Weight: 17 g Shipping weight: 25 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.