The AR-15 lower is not a high stress part. No camber pressures, or in fact any major forces at all really, are exerted on it other than the buffer and its spring.

The KP-15 can comfortably handle standard AR-15 chamberings, such as .223 Rem./5.56 NATO to 6.8 mm SPC. However, it is not rated for .458 SOCOM, .50 Beowulf or .50 BMG. The suggested retail price ...

The 10-5 decision by the Fourth U.S. Circuit Court of Appeals is the most substantial pronouncement from lower courts on the ...

The lower is the part of the AR-15 that contains the serial number and therefore requires a federal background check. In the eyes of the government, I was a gun owner, but I didn't really own a gun.

The AR-15 semi-automatic rifle is one of the most popular guns in the U.S., and one of the most reviled. It is an emblem of America’s political divisions, beloved by firearm enthusiasts for its ...