M1A3 Gunner’s Quadrant

NSN: 1290-01-610-3964
P/N: 13042173


General Description:

The M1A3 Gunner’s Quadrant is a portable precision leveling instrument used for laying artillery weapons in elevation, measuring their angles of elevation, and checking the elevation mechanisms of fire control equipment.

The Gunner’s Quadrant is used with various rifles, guns, gun carriages, self-propelled guns, howitzers, mortars, anti-aircraft gun mounts, cannons, tracked armored landing vehicles, and multiple rocket launchers.

Additional Information

Weight 1.9 lbs
Height 6 in.
Width 1 116 in.
Length 6 78 in.
Limits of Operation
Elevation 1600 mils
Depression 0 mils

Key Components

M1A3 Gunner’s Quadrant w/Case 13042173 1290-01-610-3964
M1A3 Gunner’s Quadrant 13032529 Not Assigned
Case, Carrying, M82 7692958 1290-00-769-2958


* Replaces the M1A1 Gunner’s Quadrant.
* Calibration for the Gunner’s Quadrant is available. Contact us for more information.