I just received my 308 SRS Conversion Kit and I found this piece ...
What is this and where does it go?? I tried putting it at the end of the butt stock where the bolt goes into the stock but that prevents me from installing the butt pad.

What is this and where does it go?? I tried putting it at the end of the butt stock where the bolt goes into the stock but that prevents me from installing the butt pad.