Alan,

I have one with the AR Mag in it....

Maybe getting together and you trying my stock on your rifle, will yield some answers or rule some ideas out....

If I can be of assistance, let me know...

and Happy New year my friend....

"Minus the killings, Washington has one of the lowest crime rates in the Country" Marion Barry, Mayor of Wash DC

“Owning guns is not a right. If it were a right, it would be in the Constitution.” ~Alexandria Ocasio Cortez