Thank you everybody. I appreciate the warm welcome and kind offer for me to ask a question. My favorite International would be my 1953 M1 Garand International Harvester Service Grade I picked up from the CMP North Store. I lucked out on this one it has the correct LMR barrel on it (LMR is a desired barrel) . With almost all Garand's now they are mix masters with various parts from the armory from rebuilds. I lucked out with this one it has IHC gas chamber, OP Rod. Almost all the parts are IHC with exception of the trigger group which is Winchester. It is a Tack Driver. I can't believe the MOA I've been able to get out of this rifle with Sierra Matchking TMK 168 Grain. I put a couple hundred rounds of HXP 150 GR through it and still dinging the metal plate at 200 yards with open sights. Were supposed to be cutting out the firing range to 500 yards this spring. So we'll see how she does at 500. I put a scope on one of my M1A's last fall and still need to zero it in. Winter hit so it's sitting in the safe just waiting for spring. I live in Michigan and it's as much as I love shooting it's just to cold lol. I am excited about building this AR-10. I have been really wanting to compare it to my M1A's. Anybody on here shoot both ? What do they find to be the major difference ? Are they surprised by the performance the AR-10 gave ?