"Best" is a very subjective term. In situations which might be ideal for one rifle, they may prove less than ideal for another. Several rifles have had very distinct careers - the AR-15 family of rifles, the Kalashnikov family of rifles, Heckler & Koch's rifles, the FN-FAL, etc. Each one has their strong points and weak points.
An automatic rifle is a rifle which loads itself from a belt or magazine.
M1918 Browning Automatic Rifle .
Best left to a trained gunsmith.
Best left to a trained gunsmith
A semi-automatic or fully automatic rifle.
Do you mean "what is an automatic Rifle". Any rifle that keeps firing as long as you hold the trigger down is an automatic rifle. It will only stop when you let go of the trigger or run out of bullets
Best left to a qualified gun smith.
The first automatic rifle was invented in 1884. It was invented by Manuel Mondragon. The rifle was known as the Mondragon rifle later to be known as the M-1908.
The B.A.R Stands for Brownings Automatic Rifle and is,well, an automatic rifle or form of machine gun.
Yes, it is a Russian automatic rifle.
If it wasn't originally designed as an automatic then it can not be converted into an automatic
Best left to a gunsmith.