* A&K 7799 * M4 S-System * FULL METAL GEARBOX (Version 2) & GEARS * Full metal barrel * Full metal RIS Rails, Sights, Magazine, trigger, and Battery Compartment. * (3) Metal R.I.S. Rails * R.I.S. Forgrip Included (not shown in picture) * 300 Round metal magazine included. * .20g BBs required for this gun * Metal sights can fold down to allow for a scope to be added to the top RIS rail. Both front and rear sights are fully adjustable. * FPS: 350 * 34" Overall * All airsoft guns come with a blazing orange tip * Weight: 9.5 lbs Battery and charger sold separately. We recommend an 8.4v 1600 mAh mini-brick battery and universal smart charger.