The AK74U replica by have been assembled in a very solid way and they are made of steel sheet . Steel parts include the receiver, dust cover, gas pipe, stock, fire mode selector plate and a trigger guard. Remaining metal elements were made of a uniform alloy of zinc and aluminum. Polymer parts include only the pistol grip and a gas pipe cap made of plywood exactly as is the case in the live firearm original. The replica has a quick spring change system that makes it possible to adjust the muzzle velocity to our needs without having to disassemble the gearbox frame. The replica comes with a polymer, HiCap magazine with a capacity of up to 500 BBs. Features: the receiver and many elements made of steel gas pipe with a cap made of wood tactical handguard with RIS / Picatinny rails frame stock foldable to the side of the receiver “dovetail joint” side mounting rail a silencer mounted on a lefthanded, 14 mm thread + 24 mm adapter durable, ball 8 mm bearing gearbox V3 quick spring change system realistic construction based on pins and levers Material: Steel + ZnAl + polymer Length: 493 / 727 mm Weight: 2710 g Muzzle Velocity: ~400 FPS The set includes: replica magazine User’s manual The set does not include a battery or a charger.