Brands Armorer Works Custom Ambidextrous No Inner barrel lenght (Millimeter) 81 Replica Mass (g) 660 Fixation type Picatinny Blowback Yes Hop-up Adjustable Hop-up Inner barrel technology VSR Power (Joules) 0.8 Power (FPS) 280 Manufacturer 2748 Propulsion type Gas Firing modes Safe, Semi auto Empty mag firing stopper Yes BB capacity 23 Brand Armorer Works Color Tan Materials Aluminium, Polymer Orange tip Yes