Mortar Fire Control M67A1 Sight UnitThe M67A1 Sight unit is currently used to lay the EFSS M327 mortar system for deflection and elevation.M67A1 Telescope MountThe M67A1 Telescope Mount, when used with the M67A1 Elbow Telescope, makes up the M67A1 Sight Unit.M67A1 Elbow TelescopeThe M67A1 Elbow Telescope, when used with the M67A1 Telescope Mount, makes up the M67 Sight Unit.M67 Sight UnitThe M67 Sight Unit is used to lay all mortars for deflection and elevation.M67 Telescope MountThe M67 Telescope Mount, when used with the M67 Elbow Telescope, makes up the M67 Sight Unit. M14E1 Aiming Post LightThe M14E1 Aiming Post Light is a battery-powered LED-illuminated device which aids in identifying the location of the near/far aiming post during night and low light operations.M67 Elbow TelescopeThe M67 Elbow Telescope, when used with the M67 Telescope Mount, makes up the M67 Sight Unit. M64 Sight UnitThe M64 Sight Unit is used to lay the 60mm and 81mm mortars for deflection and elevation.M64 Telescope MountThe M64 Telescope Mount, when used with the M64 Elbow Telescope, makes up the M64 Sight Unit. M64 Elbow TelescopeThe M64 Elbow Telescope, when used with the M64 Telescope Mount, makes up the M64 Sight Unit. M109 Elbow TelescopeThe M109 Elbow Telescope is a lightweight, 4-power, fixed-focus telescope with a 10-degree field of view that provides the optical line of sight for aiming the weapon in azimuth and elevation planes.M45 Optical BoresightThe M45 Boresight is used to detect deflection and elevation errors in the mortar sight unit. M115 BoresightThe M115 Boresight is used to calibrate and match the mortar sight unit to a specific mortar.Range IndicatorThe Range Indicator is used to estimate the correct weapon elevation corresponding to the range to the target being engaged.Handle & Firing MechanismThe Handle and Firing Mechanism allows the gunner to fire the mortar in its alternative handheld mode.M4 SightThe M4 Mortar Sight is a small, simple instrument utilizing a collimator/sighting scope instead of the elbow telescope used on the more advanced M64 and M67 Sight Units.