Lee Enfeild No.1 Mk3 Rough Extraction?

[Wiseguym70]

i was at the range yesterday and for some reason my lee enfeild was really taking alot of force to extract the brass! it has never done this before? is this possibly a chamber bur?

 

[Andurp]

What brand of ammo were you using and have you used it before?

 

[Wiseguym70]

Winchester super X 180gr and no i have used federal and it ejected fine!