A firearm steady-rest which is provided in a folded storage form which is incorporated as part of a rifle sling. The steady-rest may be deployed by folding it outward to provide either a V-shaped support configuration or a U-shaped support configuration whereby the upwardly extending distal ends of the support engage and support the firearm therebetween. The steady-rest may then be grasped by the operator's forward extending hand to provide maximum steadying of the firearm for sighting and shooting. A gravity deploying bi-pod leg set is also provided which automatically locks into position when fully deployed by a gravity slide lock.