Only trying to sell the lower and maybe the upper NOT the barrel assembly. No leaks I'm pretty sure the person who I got it from built it themselves and didn't it it in right so id suggest getting in redone cause the nossle doesn't a line perfect with the prowin but it'll still shoot. Kinda just throwing in the lower for free( stock not included) it's pretty rough😂 I can send vids if you're interested. 180 is for just the lower and v12