AR10 Lowers that Match with BCA Side Charging Upper

Petersonjr077

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Hey guys,

Sorry if this is posted slightly in the wrong place; I'm very new to the forum.

A while back, I obtained a 308 side charging upper from Bear Creek Arsenal. Just like this one:


Originally, my plan was to finish an 80% DPMS lower for it, but all the jigs and tools for the aluminum 80%'s were out of stock at the time, and I ended up with a polymer80 lower. Long story short, I had a lot of trouble trying to finish a polymer AR-15 lower before tackling the AR-10, and I decided I don't really want to mess with a polymer lower for this build.

So I'm looking for a lower that this upper will run with, and I thought I'd tap into the knowledge on this forum for advice on which lower(s) will work best. Anyone have any success running a 308 BCA side charging upper? If so, which lower did you use? Any lowers that definitely won't work with these uppers?

I appreciate any information or opinions y'all have.
 
There's AR-10 complete lower right at the bottom of the page you linked-...
This. To my knowledge there's not really AR-10 "mil-spec" or whatever like there is with the AR-15. Probably smart to stick with a lower from the same company as the upper.
 
There is no real need to stick to that same brand. There are (for arguments sake) two different style lowers. You want one that looks like the lower on the bottom of this picture. DPSM pattern 84644893-F19C-49E0-80EC-B2E53600774D.jpeg
 
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