But look at the cost of some of Daniel Defense’s AR-10 rifles. Most models are just under $3,000, with a few crossing that threshold. Want a semi-auto .300 Win. Mag.?

An AR-15 is not a specific model, but a style. It's the civilian variation of the ArmaLite AR-15, a variant of the AR-10 designed by Eugene Stoner in the 1950s, that was extremely lightweight ...