Over the past week, two gunmen killed at least nine people in unrelated rampages in Michigan and Kansas.
Add to that the death in Indiana of a father who was accidentally shot by his six-year-old son who found a loaded revolver lying around and pulled the trigger.
President Barack Obama -- who offers his condolences to families of loved ones lost after each mass shooting -- has decried the "routine" nature of reporting about and responding to such tragedies.
In January, he shed tears as he announced limited measures to tackle the rampant violence that kills around 30,000 Americans each year and called on citizens to punish lawmakers who oppose more meaningful reforms.
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In the speech, Obama formally unveiled a handful of executive measures that will make it harder to buy and sell weapons, but which he admitted would not stop the scourge of mass shootings.
And in a country where there are more guns than people, and with Republicans vying to take back the White House in November, it remains to be seen, what -- if anything -- will change.
The .50-caliber Barrett, manufactured in the southern state, joins a range of other Tennessee state symbols. These include the mockingbird as "official state bird" and the raccoon as "official wild animal."
"These 'anti-materiel' sniping rifles can strike accurately from a distance of more than a mile" (1.6 kilometres), the Violence Policy Centre, a non-profit organisation that advocates for gun control said.
"They can penetrate light armor, down helicopters, destroy commercial aircraft, and blast through rail cars and bulk storage tanks filled with explosive or toxic chemicals, all with potentially catastrophic effect."
For the vast majority of Europeans, South Americans and Asians, there is little doubt that a firearm is best kept as far as possible from places where people live, let alone from children.