.50 caliber. 20" barrel. SN: 6035. Blued and color casehardened finish, iron furniture, walnut stock. Single shot percussion breechloading tilt-down barrel carbine with military leaf rear sight, pinched front sight and saddle bar and ring. Standard Mass Arms Co and Maynard markings, the weak outline of two cartouches are visible on the left wrist. {ANTIQUE}