NOT KNOWN FACTS ABOUT SAGE TS870R

An 0331 in my squad carried a M500 Along with the front bead broken off. No aspect saddles that i'm aware of function With all the Sage inventory.  I needed just one of those stocks a while back again, but that is what held me from receiving it. There are actually 2 versons from the stock.  One of these, the buttpad flips up for storage.I am not