Quick Question: Are the AR-10 trigger and hammer receiver pins the same size as AR-15 pins? I think they are, but want to ask the group if they have had any issues regarding it.
Bolt catch, takedown/pivot pins, and sometimes the mag catch or release button are the only parts different than an AR15 LPK. I just buy AR15 LPKs, and get the individual parts for an AR10 /AR308 i'm building to finish it. Nice to have a couple spare Bolt catches anyway, and I like the KAK/AR10 extended bolt catch/oversized ar15 button setup in Aero M5s instead of their stupid long AR308 extended button with the shorter AR15 catch(to work in the .2" wider frame).
Ditto ... Same although remember that AR-10s are not (as) standardized like the AR-15. So your experience could differ - however all the AR-10's that I've owned, I've upgraded triggers with regular AR-15 triggers. Depending on what I'm doing - I tend to check the following reference (for general compatibility).