This is a SDS Imports 1911 known as the 1911A1 chambered in 45 ACP, model 1911A1S45.
SDS Imports LLC is an importer of firearms and accessories located in Knoxville" TN.
Features:
Hammer Forged Barrel
Hammer Forged Frame
Black Cerakote Finish, Fixed Sights
Series 70 Internals