This carbine is one of 23,000 estimated to have been manufactured in 1865 and 1866. Around half of these carbines were equipped with the Stabler cut-off device like this example. It has the standard manufacturer markings and features including government inspection markings. Many of these later Spencers were used during the post-Civil War Indian Wars on the Great Plains and in the Southwest. Documents concerning a prior sale of the carbine and copies of information about this model are included.