Yes, I can. A Barrett M107 is a .50 caliber sniper rifle.
12.7x99, also known as .50 BMG (Browning Machine Gun).
No. Wouldn't even come remotely close to it.
The manufacturer is spelled Barrett (Barrett Firearms Manufacturing), builder of the M82 and XM500 .50 caliber sniper rifles that fire the 12.7x99mm NATO round (Browning machine gun round).
The Barrett M107 .50 caliber sniper rifle is known to shoot faster than the speed of sound. The speed of sound is approximately 1,125 feet per second, while the Barrett M107 has a muzzle velocity of about 2,800 feet per second.
The .45 caliber bullet is not used in a sniper rifle.
You are probably thinking of the .50 caliber Barrett, first made in 1982 by Barrett Firearms Manufacturing.
3 things.. accuracy,range,and persistence. a sniper can be any rifle or pistol of any caliber just some are alot better like the barrett but a sniper rifle needs to be accurate when you fire upon the target, it needs to continually hit that spot and it needs to do so from a good distance ill say 300 yards and more. also as it goes a sniper rifle is only as good as the handler.
.408 CheyTac
The first major deployment of the Barrett was in the first Gulf War.
In the case of the Barrett M82 rifle, about 30-31 lbs, depending on the model. The scope may add several more pounds if a night vision scope is used.
The Dragunov (note corrected spelling) sniper rifle is in caliber 7.62x54mmR. This is the same caliber at the Moisin-Nagant 91/30 rifle.