Good nylon quality 2 piece receiver, solid feel no wobble, solid nylon magazine. Metal trigger, charge handle, lock pins, inner and outer barrel. Mosfet installed, included battery. Nylon gearbox, nylon gears. Downside.. 140-150fps out of d box. NOT WORTH paying 189$ though i got a discount code.. but this blaster to my opinion is only worth 90-100$$.