The Remington SR8 is the marksmen Rifle, which is Bolt-Action
At the moment, it's only a prototype (Remington canceled the project), but used in several games.
Magaine Capacity: 5 Shot Box Magazine
Caliber: .338 Lapua
Weight: 15.75 lbs (7.16 kg)
Length: 47" - 49" (1193.8 - 1244.6mm)#
Sight: Leupold Mk4 M1 16x