MIL-DTL-71186B, DETAIL SPECIFICATION: CARBINE, 5.56 MILLIMETER - M4A1 (30-APR-2019)

MIL-DTL-71186B, DETAIL SPECIFICATION: CARBINE, 5.56 MILLIMETER - M4A1 (30-APR-2019)., Reactivated after 30 April 2019 and may be used for new and existing designs and acquisitions. 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 a full automatic burst or semi-automatic fire, hereafter referred to simply as the weapon.