Based on the Sig Sauer 556 Rifle. This carbine features a vented ergonomic polymer handguard with integral rail system, receiver mounted Picatinny rail, polymer grip and a composite stock with butt compartment. With a light weight aluminum lower receiver Mounted with a SIGTAC adjustable holographic sight. Includes a Sig Arms hard case numbered to the gun and a box for the sight with an extra battery, instructions and small Allen tools.

Excellent overall with 98% finish, with some light handling marks and surface scratches. The stock is excellent, with light handling marks. Case is very good, the foam liner has separated from the plastic. Mechanically excellent.