Echo1 ASC is a replica of the famous FN SCAR used by many service men and women world wide. With its unique stock and full size rail you have one of the most unique guns ever created. With a version 2 gear box metal bushings and metal spring guide you get reliability and an excellent rate of fire without the worry of damaging your gun if fired for long periods of time. Using standard M4 magazines (2 high cap mags included!) you don t have to hunt for pricey and rare off magazines like the FAMAS and the Steyr AUG. Features: * Adjustable Hop up systems * Adjustable metal front rear sight * New generation full metal gear box * Metal bolt carrier metal trigger metal receiver cover * Unique Positional Collapsing and Folding Stock * MIL STD M913 Style Rails * RAS Forgery Interface System * Innovated Hinged Cheek Rest and Battery Storage * Inner Barrel Length: 300mm * Barrel Caliber: 6mm * BB Capacity: 450Rounds 100Rounds * Initial BB Speed: 405fps * Battery Type: Mini * Package includes: Manual two 300 Round High Capacity Magazines 8.4v Battery and Charger All Airsoft replica BB guns include a safety orange muzzle tip in accordance with Federal law. Any attempt to remove the orange tip is a violation of Federal law. Modified Airsoft Guns will not be accepted for return or exchange. Airsoft Gun BB Warning You must use .20 gram or higher AEG Quality Airsoft BB s with this Airsoft Gun. Using .12gram re used low quality low grade translucent or BBs purchased from large discount stores or major retail sporting good chains will void the warranty on your Airsoft Gun. High quality bb s meant for your AEG will enhance your playing experience and save you money in repairs down the road. Zephyr Sports Airsoft Battery Disclaimer: Zephyr Sports is not responsible for batteries that have been damaged as a result of improper operation storage misuse or abuse accident or neglect such as physical damage resulting from misuse contact with liquid water rain extreme humidity or heavy perspiration sand dirt or the like extreme heat or food use of the battery for commercial purposes or subjecting the battery to abnormal usage conditions or other acts which are not the fault of Zephyr Sports. Make sure you understand how your battery should be used and how long it should be charged. We recommend that you always use a smart charger to avoid damaging your airsoft batteries. If you have any doubt regarding the operation charging or storage of your battery and or charger please contact us. A charging battery should not be left unattended and should be picked up periodically while charging to check for overheating. Do not charge batteries near flammable material.