lobstercatcher, do you know one or two people who are known to be decent shots who could try your gun with your ammo? If they get decent groups with your setup, then you'll know where to look for the problem. If they get decent groups then you have to start analyzing your technique.
Most handguns are far more accurate than the average shooter, but there are some guns that seem to be more useful as clubs or paperweights than as guns. Start by eliminating the biggest variable, the shooter, and go from there.
Most handguns are far more accurate than the average shooter, but there are some guns that seem to be more useful as clubs or paperweights than as guns. Start by eliminating the biggest variable, the shooter, and go from there.