do you think a poly ar10 would hold up very long at all let alone for a .12 ga conversion?
https://tnarmsco.com/308-80-receiver-w-drilling-jig/
https://palmettostatearmory.com/panzer-arms-3-ar-12-12-gauge-shotgun-black-ar12ssb.html
https://www.youtube.com/watch?v=PVDOyvkkmWo
https://tnarmsco.com/308-80-receiver-w-drilling-jig/
https://palmettostatearmory.com/panzer-arms-3-ar-12-12-gauge-shotgun-black-ar12ssb.html
https://www.youtube.com/watch?v=PVDOyvkkmWo