Letter: AR-15s won’t protect us from the real threat

In response to Duane Smith (“Gutting the Second Amendment will leave the citizenry defenseless against tyranny,” April 21): I understand your argument that Americans need guns to protect ourselves from our own military in the event of a government takeover. I used to believe this myself. However, the point is moot when we look at our modern military.A houseful of AR-15s may allow you to mow down foot soldiers marching in formation. They will not be useful when the helicopters come or