Nov 14, 2015 · The new sights which are up for the replacement include the following optics: Aimpoint T2; Leupold LCO & Delta Point PRO; Trijicon MRO and SRS; Based on an operational need by SOCOM components, one or maybe more sights will be selected for limited fielding after an evaluation by users. We will keep you updated about the process in the future…
M4 Carbine, 5.56mm, NSN 1005-01-231-0973, LIN R97234 (In Common Usage) M4A1 Carbine , 5.56mm, NSN 1005-01-382-0953 (Full-Automatic version, more rarely used) The M4/M4A1 5.56mm Carbine is a lightweight, gas operated, air cooled, magazine fed, selective rate, shoulder fired weapon with a collapsible stock.