Firepower Negotiator ,Glock 18 gbb full metal

airsoft Glock 18 gas blowback pistol metal slide & barrel, full metal, shoots up to 300 fps, 6mm BB pellet aluminium, green gas, HOP UP, Firepower Negotiator pro-series, semi auto, weight 2,5 pounds. NOTE: the blowback is not working well.. u.u * this brand is a piece of shit!!!!!!!!!!!!