Ammunition: 5.56x45mm NATO Max Effective Rate Of Fire: 45 rounds per minute (semi-auto) 90 rounds per minute (3-round burst) 700-1000 rounds per minute (auto) Range: 274m (max) Muzzle Velocity: 924m/s Length: 29.9in with stock extended, 26.8 with stock collapsed Firing Modes: Semiautomatic (single round per trigger depress) Automatic (unlimited rounds per trigger depress) Ammo Capacity: 30-round magazines Special Features / Attachments: Iron Sights ACOG Reflex Sight M68 Aimpoint M203 40mm Grenade Launcher Suppressor Harris Bipod Mission Role / Assignment: Infantry Squad Leader Infantry Fire Team Leader Ranger Rifleman Special Forces Weapon Sergeant (18C)