![](https://static01.nyt.com/images/2024/07/13/multimedia/13election-live-shooting-position-fwpt/13election-live-shooting-position-fwpt-facebookJumbo.jpg)
The AR-15-style rifle is one of the most ubiquitous weapons in the United States.
An AR-15-style semiautomatic rifle was recovered by law enforcement at the scene of the attempted assassination of former President Donald J. Trump at his rally in Butler, Pa., on Saturday. The AR-15 rifle, billed as “America’s rifle” by the National Rifle …