I use a T/C Omega. Out of the box the accuracy was ok, but sometimes sporadic. Problem was varying tightness of the action screws in the wood stock. I pillar bedded the action, and it now shoots sub-MOA to 300 yds. This season I took a doe at 180-200 yds.
Shooting well past 100 yds with a ML requires a lot more work than just pulling it out of the box, getting a zero, and pulling the trigger. As I described, I bedded my gun and put hundreds of rounds downrange to establish the trajectory at all ranges. Laser rangefinders are a must if the eye-apparent range estimation is 150 yds+. It is vital that you use the flattest-shooting load your gun will accurately shoot. Good bullets are the .357 and .40 Dead Centers, and the 200 and 250 gr Shockwaves/SSTs. I shoot 110gr 777 and the 200gr SST. ANY shot over 100 yds is off a Harris bipod or backpack rest (and most under that as well).
The capability of the gun is one thing. A tackdriver is useless, however, if the person behind the rifle can't back it up. This is usually the limiting factor. I'd say I'd trust maybe 10% of the hunters I know to shoot 200+ yds with ANY weapon.