1400's
The rpk rifle was first developed in the 1950's. It was manufactured in Russia for use by the red army.
The British made 'Baker Rifle' was the first widely used Infantry rifle in the early 1800's
It was early, but not the first.
The Ferguson Rifle
Mexico, 1887- the 7mm Mondragon rifle
No. The first gas-operated rifle to be adopted by a military was the Mondragon rifle used by the Mexican army.
The first gun with a rifled barrel (a rifle is any gun with grooves cut into the barrel to give the projectile spin) used by American forces was the Kentucky rifle, used in the revolutionary war.
The British used the Baker rifle in the war against Napoleon.
AN-94 BALKAN used by the secret units of russia AK-47 Ubiquitous assault rifle.
WWII
the first rifle is said to be the ross rifle. i researched it but look it up for your self just in case
The Imperial Russian Army developed the Mosin Nagant Rifle between 1882 and 1891. In 1891 Russia officially adopted the Mosin Nagant Rifle. The rifle was designed by Sergei Mosin from Russia and Leon Nagant from Belgium. This is where the name of the rifle comes from.