This thumbhole variant includes a black synthetic stock with black action. The adjustable butt pad is available only on the beechwood variant. HW97 KARBINE OVERVIEW: This legendary spring powered under-lever air rifle was especially developed for field target shooting but makes a superb hunting gun too. The fixed barrel action is equipped with the Weihrauch muzzle weight, reducing muzzle flip and increasing accuracy. The specially crafted high comb stock is designed for scope use and is also available in a blue laminate.