Present day: Barrett 50 Cal
On a contradictory note, heavy weapons like the Barrett M107 are typically reserved for niche role applications, and rifles such as the M24, M40, Dragunov SVD, etc. are much more commonplace on the battlefield.
Most guns come in black.
50.Cal.
It is often accepted the Heckler and Koch PSG-1 is the most accurate sniper rifle in the world.
Some of the most popular guns being used by the American military include the M-16, M-249 Saw, M40A1 which is a sniper rifle, M-24 sniper rifle, and the M4 Carbine rifle. These are among the most commonly used guns by the American military infantry and special ops branch.
22 rifle
You will have to define "sniper rifle". There is no meaning to that term, other than an accurate scope mounted rifle. That includes most hunting rifles.
A sniper rifle is simply a rifle used by a military sniper. Just about every gun shop will carry hunting rifles. The type will vary depending on what you are hunting- squirrels, rabbit, deer, turkey, bear, elk or elephants. What you are calling a "sniper rifle" is simply a bolt action center fire rifle with a telescope.
All are equal in this regard.
Yes it is and it is also the most accurate sniper rifle in the world, with a bullet spread of .3 centimeters up to a mile+ away. it shoots a .408 round which can penetrate armored helicopters and lightly armored vehicles.
There is no most powerful airsoft sniper rifle that you can just buy. But, Iv'e heard of guys tuning them over 800fps with custom parts. My most powerful is 600fps.
Football was the most popular game in WWII.
The most commonly used sniper rifle in the Marines is the M-40A3. It is a standard bolt action rifle with a Remington 700 action that fires the 7.62X51 NATO round.