The Windham Weaponry SRC-CF-THD is a semi-automatic rifle, with a gas impingement system, Thordsen stock, and Carpenter 158 steel bolt. The A4 type, flat top upper receiver holds a manual lever safety, with indicator markings on both sides. Receiver is carbon fiber composite (40% carbon fiber content) and finished in matte black. The forend has M4 double heat shield handguards. This rifle is New York State compliant.