MIL-DTL-32309A (AMENDMENT-1), DETAIL SPECIFICATION: RIFLE, 5.56 MILLIMETER: M16A4 (31-OCT-2019)

MIL-DTL-32309A (AMENDMENT-1), DETAIL SPECIFICATION: RIFLE, 5.56 MILLIMETER: M16A4 (31-OCT-2019)., This detail specification prescribes the requirements and identifies the verification procedures for the lightweight, air-cooled, gas operated, magazine-fed, 5.56 millimeter (mm) weapon designed for either three shot automatic fire or semi-automatic fire, hereafter referred to simply as the weapon.