40 round low cap portrays realistic rounds on the outside KeyMod style rail attaches sights, lights, and foregrips Ambidextrous controls accommodate left and right handed players Functional bolt lock immerses the player with realistic features Rotary hop-up makes adjusting the spin of your rifle easier Competition style trigger assists in an easier pull while firing 50% smaller MOSFET than means more space in buffer tube ETU is able to be programmed to a 5 round burst and 3 round burst Magazine detection system won't shoot without BBs and battery Wired to deans connector (when shipped inside the US) Includes a deans to Tamiya adapter for multiple battery types Reinforced gearbox front end increases durability and reduces cracks Upgraded double O ring air nozzle for tighter seals 50% thicker cylinder head for better compression More convenient spring change than the first generation Redesigned double gears and motor wire covers improve performanceSpecifications: Brand G& GOperation Electric AutomaticFiring Modes Semi, Full, 3 & 5-Round Burst w/ Functional SafetyMuzzle Velocity 390 - 410 FPSMagazine 40 RoundsBattery 7.4v Lipo / 9.6v Nunchuck NiMh (not included) Inner Barrel 400mmHop-Up Adjustable RotaryOverall Length 33.75 in - 37.25 inWeight 6.74 lbsMotor Type 25000 rpm Hi-Torque Long AxisColor BLACK 1X Rifle