The MK19 40mm machine gun is an air-cooled, disintegrating metallic link-belt fed, blowback operated ... MK64 Cradle Mount, MOD 5; M3 Tripod Mount; and the AN/TVS-5 Night Vision Sight.

By repositioning some of the component parts, ammunition may be fed ... the M3 tripod mount. The M2A1 with Quick Change Barrel (QCB) is an enhancement to the M2 .50 Caliber Machine Gun.