The 16 GOP senators that voted to end debate on the gun bill in the US Senate were:
Lamar Alexander of Tennessee;
Kelly Ayotte of New Hampshire;
Richard Burr of North Carolina;
Saxby Chambliss of Georgia;
Tom Coburn of Oklahoma;
Susan Collins of Maine;
Bob Corker of Tennessee;
Jeff Flake of Arizona;
Lindsey Graham of South Carolina;
John Hoeven of North Dakota;
Johnny Isakson of Georgia;
Dean Heller of Nevada;
Mark Kirk of Illinois;
John McCain of Arizona;
Pat Toomey of Pennsylvania;
Roger Wicker of Mississippi.