This should help you out.
https://www.stockysstocks.com/access...-gunworks.html
I am trying to find the part # to convert a 308 blind center feed mag to a detachable magazine. I believe you can just change the floor plate out on a blind mag so it will work in a detachable mag stock.
This should help you out.
https://www.stockysstocks.com/access...-gunworks.html
GLC
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