SPECIFICATIONS MATERIAL: POLYMER COLOR: BLACK WEIGHT: 6 LBS LENGTH: 28.5-31 IN VELOCITY: 410 FPS (w/ 0.20g BBs) HOP-UP: YES, ADJUSTABLE BATTERY: 8.4V RECOMMENDED INNER BARREL BORE: 6.03 MM PACKAGE NET WEIGHT: PACKAGE SIZE: 32.75" x 10.5" x 3.25"