Safety selector for a firearm, comprising - a first lever comprising an integrally formed safety shaft which is designed to be received in a lower receiver of the firearm and to be rotated into at least one firing selection position, - a securing element, - a connecting assembly, wherein the first lever having a first handle located outside the lower receiver for actuation and, joined thereto, in the direction toward the opposite weapon side, a first, substantially cylindrical bearing portion, a selector portion formed adjacent thereto comprising at least one primary selector surface, and a connecting portion adjacent thereto, in that the first lever is designed for spring-biased coupling to the securing element, the first lever having, on the connecting portion, a positioning protrusion projecting in the direction toward the opposite weapon side, and, in a longitudinal direction, a bore of complementary shape for receiving the connecting assembly, in that the connecting assembly comprises a connecting element, a spring and a spring lock, in that the connecting element is designed to be complementary in shape at a first end for coupling to the spring lock and at its opposite, second end for coupling to the securing element, in that the securing element has a substantially cylindrical bearing protrusion for mounting in the lower receiver, in that, on the bearing protrusion in the circumferential direction, a primary cam is designed to interact with a selector pin arranged in the lower receiver, in that the primary cam has a mounting groove directed toward the weapon midplane, and in that the bearing protrusion, for coupling to the second end of the connecting element and the positioning protrusion, has a coupling recess which is open outwardly in the radial direction and in the longitudinal direction. - a first lever comprising an integrally formed safety shaft which is designed to be received in a lower receiver of the firearm and to be rotated into at least one firing selection position, - a securing element, - a connecting assembly, wherein the first lever having a first handle located outside the lower receiver for actuation and, joined thereto, in the direction toward the opposite weapon side, a first, substantially cylindrical bearing portion, a selector portion formed adjacent thereto comprising at least one primary selector surface, and a connecting portion adjacent thereto, in that the first lever is designed for spring-biased coupling to the securing element, the first lever having, on the connecting portion, a positioning protrusion projecting in the direction toward the opposite weapon side, and, in a longitudinal direction, a bore of complementary shape for receiving the connecting assembly, in that the connecting assembly comprises a connecting element, a spring and a spring lock, in that the connecting element is designed to be complementary in shape at a first end for coupling to the spring lock and at its opposite, second end for coupling to the securing element, in that the securing element has a substantially cylindrical bearing protrusion for mounting in the lower receiver, in that, on the bearing protrusion in the circumferential direction, a primary cam is designed to interact with a selector pin arranged in the lower receiver, in that the primary cam has a mounting groove directed toward the weapon midplane, and in that the bearing protrusion, for coupling to the second end of the connecting element and the positioning protrusion, has a coupling recess which is open outwardly in the radial direction and in the longitudinal direction.