MIL-R-9979A, MILITARY SPECIFICATION: REVOLVER, CALIBER .38 SPECIAL 2 AND 4 INCH BARREL, 6 SHOT (30 JUL 1969)

MIL-R-9979A, MILITARY SPECIFICATION: REVOLVER, CALIBER .38 SPECIAL 2 AND 4 INCH BARREL, 6 SHOT (30 JUL 1969)., This specification covers one type of caliber .38 special revolver, six shot, double action, 2 or 4 inch barrel, solid frame, with the following options: adjustable rear sight, quick draw ramp front sight, low spur target hammer, and target trigger.