This full metal AEG from Dboys is a force to be reckoned with! The Dboys M4 RIS AEG features a full metal 7mm reinforced gearbox, full RIS for mounting accessories and optics, as well as an included tactical foregrip. The full metal body makes this gun very durable and also very realistic. The included magazine holds 300 rounds and the gun is compatible with most M4 type airsoft magazines.They are housed in the included PEQ box that is mounted to the RIS. The LE stock is adjustable to meet your needs. If you're looking for an M4 this is a great choice that won't break the bank!