The cavalry version of the Springfield Trapdoor, with shorter 22-inch barrel for easier handling on horseback. Carried at the Battle of Little Bighorn by Custer's 7th Cavalry troopers. Type: Rifle Action: Single-Shot Caliber: 45-70 Govt Capacity: 1 Year introduced: 1873, USA Weight: 7 oz Overall length: 41.3" Status: Discontinued Military use: Yes Intended use: Cavalry Service