My bud has a righty RRA, damn thing is as accurate has my bolt 700 .223
IIRC RRA requires a proprietary lower, Stag uses the "standard" lower. Not sure about anyone else out there.
'Four legs good, two legs baaaad." ---------------------------------------------- "Jimmy, some of it's magic, Some of it's tragic, But I had a good life all the way." (Jimmy Buffett)