Bingo custom-milled Fusion Engine inside a VFC G28. Has Bingo’s wiring bracket as well to ensure easy of access to all wiring and less snag potential. Inside has a 6.03 IR hopped prommy barrel within the stock hopup. Comes with 3 mags (your choice of hi-caps vs mid-caps). I have more mags to sell if your interested. Price does not include shipping. Checkout more at http://airsoftcloset.com/shop/4593126058