4 ms·
"AR" comes from their original manufacturer, Armalite. The "Armalite Rifle 15" was a downsized version of the AR-10, chambered in 7.62.
by lwhalen 9y ago
"AR" comes from their original manufacturer, Armalite. The "Armalite Rifle 15" was a downsized version of the AR-10, chambered in 7.62.