Thomas Weir (American soldier) Thomas Weir (American soldier) Captain Thomas Benton Weir (b. September 28, 1838 -– d. December 9, 1876) was an officer in the 7th Cavalry Regiment (United States), notable for his participation in the Battle of the Little Bighorn, also known as Custer's Last Stand. Weir served under General George Armstrong Custer during the American Civil War, and after the war continued serving with Custer up to the famous battle in 1876. During the Little Bighorn Battle, Weir disobeyed orders to remain in a defensive position at Reno Hill and led a cavalry group that attempted to come to Custer's aid.
Battle of the Little Bighorn out that lever-action rifles, after a burst of rapid discharge, still required a reloading interlude that lowered their overall rate of fire; Springfield breechloaders "in the long run, had a higher rate of fire, which was sustainable throughout a battle." The breechloader design patent for the Springfield's Erskine S. Allin trapdoor system was owned by the US government and the firearm could be easily adapted for production with existing machinery at the Springfield Armory in Massachusetts. At time when funding for the post-war Army had been slashed, the prospect for economical production influenced the Ordnance Board member selection of the