Amid worries that Barack Obama will backtrack in a second term on his promises to leave guns and ammo alone, a fascinating handwritten note from the Oval Office has captured the eyes of some gun-rights advocates eager to keep the president’s feet to the fire.

It dates back to Obama’s first year in office and is in answer to one of the 15 or so letters he has asked aides to give him every day to read and to keep grounded in what everyday Americans are thinking about.