1520, the 16th Century.
Octagan
Rifles were invented in the 15th Century, during the Civil War Period. If you are asking about when lands and grooves were used in barrels, the answer would be a few hundred years before the Civil War.
It is believed that sniper rifles were invented around 1857 with the advent of the Enfield rifle. This rifle was then surpassed by the Whitworth rifle which became the first long range sniper rifle.
22 Magum lever action
Kalishnikov...it is the name of the Russian who designed the AK-47.
1958
No, They were invented long before him. He invented the first Model Daisy BB Rifle, but BB rifles where around before that. Lewis and Clark carried an air rifle with them and the Austrian army had air rifles in the 1500's
The first bolt-action rifle was invented by German inventor Johann Nicolaus von Dreyse in 1824 CE.
The company Sturm, Ruger & Co was first set up in 1949, when it first began selling its rifles. Since then, it has enjoyed wide success for its popular rifles.
at least the past 200 years
RIFLES AND SHOTGUNS
Your winchester model 1894 was one of the first 500 rifles made by winchester in 1911.They made 46,200 rifles that year.