Today’s AR-10 is NOTHING like today’s AR-15! It’s NOT universal or “MilSpec”, for sure. So, what parts do you actually need to build an AR-10? What AR-10 Parts & Accessories actually work together? Do DPMS / SR25 / 7.62×51 magazines actually fit the Aero Precision M5…Or your off-the-shelf AR-10 like the Sig Sauer 716i?