What are the specifics on your 2000mr load?
Sorry, didn't see this earlier. 49.0 gr using 120 gr TTSX in a 24" barrel gave cloverleaf groups and 3130-3150 fps. I went up to 49.5 gr and velocity went up as you would expect (3160ish) but accuracy suffered. Hornady lists 50.0 gr as their max for 120 gr bullets with 3188 fps in a 22" barrel. I had zero pressure signs with either of these loads.