A sniper is a person not a thing. Any rifle carried by a sniper is a snipers rifle but it's not a "sniper rifle". It is still just a rifle no matter who carries it.
The number one cause of death in the 20th century. 290,000,000 citizens were first disarmed and then murdered by their own governments. This number does not include those killed in war.
We're from the government, we're here to help