Looking at the CZ website, the only difference in the CZ 457 Varmint and the CZ 457 Varmint MTR is the match chamber in the latter? Is this correct. It appears they both have the 20 inch barrel. I want to purchase one or the other and put in a KRG Bravo chassis. I would then attempt to sell the wood stock. I could save 200 bucks roughly by purchasing the non MTR version (match chamber). Looking back through several threads, it appears the non MTR is no less accurate. I will spend the extra 200 if I can be convinced the match chamber is worth it. Opinions are valued. Thank You!!