SWAT 3: Close Quarters Battle (also known as SWAT3 or SWAT3:CQB) is a tactical squad-based first-person shooter, developed by Sierra Northwest and published by Sierra Entertainment for Windows-based PCs on November 23, 1999. It is the seventh installment of the long-running Police Quest and SWAT series.
This weapon addon, From Xeo adds in a prototype Sniper Rifle code-named Cheyenne. This weapon like the Super Sniper can break door locks and kill anyone with a shot to anywhere on the body. This addon isn't by me nor do I take credit for it's creation, This file was on the Swat 3 reunited website. I reuploaded it here to get interest in Swat 3 again.
Put the Cheyenne Pro file in Sierra/Swat3/Mods file, Enable via the swat 3 mod launcher and enjoy the weapon in it's full force.