I want to get my son a AR for bench target shooting and prairie dog shooting. He is left handed and So far for reasonable money all I have been able to find is a stag arms 3gun elite upper for $580. It has a 18” barrel and is threaded 1/2-28 with a compensator on it. I am thinking I might have to take the compensator off and replace with a PVA mad scientist brake. Reason being since we are shooting bench or bipod the rifle might want to (bounce) from the top ports on the compensator. My biggest concern is the accuracy potential of this rifle I have no experience with Stag Arms accuracy. I do have experience with rra predator pursuit and woa varmint uppers and they are adequately accurate for what I need 3/4 moa or better is what I get for 10 shot groups. So any suggestions would be appreciated.