That's the magnifier for the red dot, it's on a flip mount, not canted

Build it pussy

for ultra budget I would recommend the condor mopc, I think the only one Condor makes that isn't only good for airsoft.

Canadian here, most Canadians don't give a shit about gun control laws, and those who have an opinion know they don't do anything and oppose pretty much all of them. Only the small minority of Canadians want gun control and they should suck start shotguns.