Polymer80 Lower = Not Compatible to PSA Upper (AR-10)

I took my Polymer80 lower which is DPMS compatible to the PSA store to see if it fits the PSA AR-10 Upper.
No Go - Ended up with a BCA Side Charger = Awesome

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Welcome @mattbrickley Unfortunately the AR10 platform doesn’t share a “mil-spec” standard like the AR15 does. Each manufacturer has thing that are different here and there. We plan on bringing the DPMS G2 308 back, but it will not be anytime soon. You will start to see the DPMS AR15’s showing up pretty soon though!

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