MIL-DTL-63997C (W/ AMENDMENT-5), DETAIL SPECIFICATION: RIFLE, 5.56 MILLIMETER - M16A2 (04-DEC-2018) [NO S/S DOCUMENT]
MIL-DTL-63997C (W/ AMENDMENT-5), DETAIL SPECIFICATION: RIFLE, 5.56 MILLIMETER - M16A2 (04-DEC-2018) [NO S/S DOCUMENT]., 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 burst or semi-automatic fire, hereafter referred to simply as the weapon.