More info...
MJT
The latest test info I have seen on the DPMS Panther Long Range Rifle.
Best Group at 500 yards was 2.478" with Federal 168gr Match
Leupold 6.5-20X50mm
Best Group at 400 yards 3.06"
Best Group at 300 yards 3.46"
Best Group at 200 yards 0.58"
information from S.W.A.T. April 2004