Product Description SPECIFICATIONS OPERATION: ELECTRIC AUTOMATIC BUILD: FULL METAL FRAME FIRING MODES: FULL, SEMI, 3-5 ROUND BURST W / FUNCTIONAL SAFETY MUZZLE VELOCITY: 330 - 350 FPS (W/ 0.20 BBS) MAGAZINE: 120 ROUNDS COLOR: BLACK MANUFACTURER: CLASSIC ARMY GEARBOX: VERSION 2 (METAL) BATTERY: 7.4V LIPO HOP-UP: YES / ADJUSTABLE INNER BARREL DIAMETER: 6.03MM TIGHTBORE PACKAGE INCLUDES: 1X AEG RIFLE, 1X MAGAZINE FEATURES 4-INCH 6.03 TIGHTBORE THREADED BARREL LOW RESISTANCE WIRING WITH DEANS CONNECTOR REINFORCED 9MM BEARING GEARBOX EASY PUSH BUTTON MAGAZINE RELEASE FLAT STYLIZED TRIGGER HAS A LIGHTWEIGHT PULL FLIP-UP FRONT AND REAR SIGHTS ARE INCLUDED FOR MORE ACCURATE SHOTS REAR SLING MOUNT ATTACHES A SLING TO ENHANCE MANEUVERABILITY RETRACTABLE MULTI POSITION SKELETONIZED STOCK ADJUSTS FOR COMFORT OPERABLE AMBIDEXTROUS CHARGING HANDLE REVEALS ADJUSTABLE HOP-UP REINFORCED ALUMINUM ALLOY UPPER AND LOWER RECEIVERS PROVIDE A MORE REALISTIC FEEL ERGONOMICALLY DESIGNED HIGH DENSITY POLYMER PISTOL GRIP REDUCES FATIGUE 9MM AR STYLE MAGAZINE HOLDS UP TO 120 ROUNDS EXTENDED BATTERY COMPARTMENT ACCEPTS LARGER BATTERIES ECS SYSTEM ALLOWS YOU TO SHOOT IN 3 TO 5 ROUND BURSTS ECS SYSTEM PROTECTS MOTOR AND HAS A LOW BATTERY DETECTION FEATURE BUILT-IN MOSFET IMPROVES DURABILITY AND DELIVERS SNAPPIER TRIGGER RESPONSE M-LOK SYLE HANDGUARD ATTACHES FLASHLIGHTS, LASERS, AND FOREGRIPS AMBIDEXTROUS FIRE SELECTOR AND STOCK RELEASE ACCOMMODATES RIGHT OR LEFT HANDED SHOOTERS WARNING: Cancer and Reproductive Harm – www.P65Warnings.ca.gov/product Customer Reviews