A sling leather seat, seven inches wide, and approximately 29 30 inches long, having first and second end pieces and a center segment upon which a turret gunner can be seated, has a first ring between the first end piece and the middle segment, and a second ring between the second end piece and the middle segment. A leather waist belt is connected to the sling seat by a pair of elongated tethers connected between the first and second rings and the waist belt, respectively, including chains, cables and/or straps as the tethers which are of a length to allow the gunner to stand up, off the sling seat, but which will prevent the gunner from being ejected from the gun turret in the event of a vehicle rollover. The first and second end pieces of the sling seat are connected to a pair of rings, respectively, on the interior of the gun turret. The body belt in the preferred embodiment is tethered to the sling seat. In an alternative embodiment, the body belt can be tethered to a third ring anchored at or near the gunner's feet inside the turret.