Martin Archery Inc 10 Martin Mamba Recurve Rh 50# Riser woods are Bubinga with outlined Shedua and Maple stripes. Limbs are made of Eastern Hard Maple laminations and black fiberglass, with Bubinga and black fiber glass overlays. Length: 58" AMO Draw weights: 45# - 60# Bow weight: 1 lb 14 oz.