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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Springfield Model 1873 ： ウィキペディア英語版 Springfield Model 1873 The Model 1873 "Trapdoor" Springfield was the first standard-issue breech-loading rifle adopted by the United States Army (although the Model 1866 trapdoor had seen limited issue to troops along the Bozeman Trail in 1867). The gun, in both full-length and carbine versions, was widely used in subsequent battles against the American Indians. The Model 1873 was the fifth variation of the Allin trapdoor design, and was named for its hinged breechblock, which opened like a trapdoor. The infantry rifle model featured a 32-inch (829 mm) barrel, while the cavalry carbine used a barrel. It was superseded by an improved model, the Springfield Model 1884, also in .45-70 caliber. ==Selection process== In 1872–1873 a military board, headed by Brigadier-General Alfred H. Terry, conducted an examination and trial of 99 rifles from several domestic and foreign manufacturers including those from Springfield, Sharps, Peabody, Whitney, Spencer, Remington, and Winchester pursuant to the selection of a breech-loading system for rifles and carbines for the U.S. Military. The trials included tests for: accuracy, dependability, rate-of-fire, and ability to withstand adverse conditions. Both single shot and magazine equipped systems were considered but, at the time, the single shot was deemed to be more reliable. Firing tests were held at the Springfield Armory and Governor's Island where the average rate of fire for the Springfield was 8 rounds per minute for new recruits and 15 rounds per minute for experienced soldiers. The board recommended "No. 99 Springfield" which became the ''Model 1873''. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Springfield Model 1873」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.