12" monster barrel and bolt

[Zjohnson611]

I need help I put together a 12" monster barreled grendel and it was getting hung up at first so I lubed and shot it to loosen it up and still having feeding issues with only steel case ammo. So I bought a toolcraft bolt as a spare and it won't even seat unless I push it in super hard. So I took it apart and noticed burrs on the bolt and bult lugs. I'm trying to figure out how to post pictures