Mine shoots very well with .50 PowerBelt 245 and 295 grain hollopoints over 90 grains of Goex 2fg. With the issue open sights I can get 2.5" at 100 yards.
It does real well with r.b. over 50 grains of Goex 2fg, shooting one ragged hole at 25 yards and 1.5" at 50.
Most vertistile carbine I own.