DIFFERENCES BETWEEN CONFIGURATIONS (CONT)
Ballistics drive M10A3.
Has no quadrant support bracket.
Level vial on right side of connecting arm.
Has no light assembly.
Has longer trunnion linkage than M10 or M10A1.
Has no junction box or bracket.
Has shorter cross shaft assembly than M10A4 to accommodate IR Periscope M32 or M35.
Has same length trunnion linkage as M10A4.
Para 1-5 Cont Vol II