The New York Times mapped ratings for members of Congress, as given by the NRA.

The National Rifle Association gives members of Congress a grade ranging from A to F that reflects their voting record on gun rights. But in response to the school shooting, some pro-gun Democrats have signaled an openness to new restrictions on guns, and the N.R.A. released a statement that said it was “prepared to offer meaningful contributions to help make sure this never happens again.”