@HopliteMagazine
@mtntallpaul
Yes, by US DOD specification.
The AR-15 was select-fire from the very beginning. Armalite never made a single semiauto-only AR-15. The first semiauto AR-15 model, the Colt AR-15 SP1, wasn't released until 1964, 7 years after the AR-15 was created.