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 is an weapon mod by YuGuSkO of the GiO clan, It's the Colt M4 Commando from Max Payne which was developed by Remedy Entertainment, Converted to Swat 3 by YuGuSkO, This weapon can be used in Deathmatch and Co-Op. This file is not by me and I do not take credit for it either, This file came from swat3reunited.com