I bought a T6 intrafuse for my Chicom SKS and had the same issues. just a poorly made piece of plastic and required way too much special fitting, I ended up selling it and using a ramline monte carlo stock instead, the thing fits like a glove.
ignore my complete lack of capitalization. I still have no problem correcting your grammar.
I never said half the stuff people said I did-Albert Einstein
You can't believe everything you read on the internet-Benjamin Franklin