it cant be inverted because i made normals consistent.backface culling was already disabled.
select that single face and click "flip normals" to fix it
You should try selecting only this face, pressing W while hovering over the 3D view, and selecting the 'Flip Normals' option
ugh crazy i swear man you have the weirdest issues lolpost a blend here for the courageous/curious to toy with maybe.
dual little shotguns
this is my curse