Abstract: A sling adapter is provided for use in combination with a flexible sling to carry a firearm having a stock, the sling adapter comprising an elongated, generally planar member having first and second ends and being commensurate in length with the longitudinal dimension of the butt end of the stock of the firearm; means at the first end of the elongated member for rotatably attaching the first end of the member to a flexible sling; means at the second end of the elongated member for releasably and rotatably attaching the second end of the member to the underside of the fixed stock; wherein the sling adapter is so constructed and arranged with respect to the butt end of the stock that the firearm can be carried in a substantially horizontal stable position while suspended from the shoulder of the bearer of the firearm in a position for firing.