You did originally say MRG, right? Cuz now it says MRX.
Shoots very similarly to the TSX. In testing we did w/ my buddies 300 RUM it was tough to tell a difference. IMO it isn't worth the extra $. If you were really into shooting a big banger consistently at ranges over 500 yards maaaybe. But the BC isn't appreciably better so you're really putting a lot of faith in the distributed weight design and extra density at the core. It makes sense, I just don't know how much practical advantage you're gaining for almost double the $.