Read the article in April 2010 GUNS magazine by Massad Ayoob.
It's online so I guess I can post the link.
GUNS Magazine Digital April 2011
Springfield Armory is real good with their customer service. Depends on what they claim the gun should do. On their XD and XDm they claim and test, 2" at 25 yards. If it's not that they will check the gun.