They were tight.They may have been loose in the past.

I don't think it's a accustock. Is there an easy way to tell? I don't see any aluminum inside.

Here are the pics:
https://ibb.co/xjLsh0L
https://ibb.co/Snf7Cr2
https://ibb.co/mHs7XWb
https://ibb.co/RQYHYJV

So I should start with a new recoil lug before a barrel swap?