M1A SOCOM 16 7.62x51mm NATO/.308 Winchester. Equipped with Vortex Venom Sight. 16.25 Inch Carbon Barrel Black Composite 5 Position CQB Stock 10 Round. M-Lok Rail System. One seven slot rail and two three slot rails. XS post front sight with tritium insert and .125 blade. Enlarged military aperture rear sight .135 with MOA adjustment for both windage and elevation. Two stage trigger with 5-6 pound trigger pull. 1 in 11 inch right hand twist. 6-groove carbon barrel. One 10 round parkerized magazine.