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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 Winchester Model 68 ： ウィキペディア英語版 Winchester Model 68 The Winchester Model 68 was a single-shot, bolt-action .22 caliber rimfire rifle sold from 1934 to 1945 by Winchester Repeating Arms Company. While almost identical to the slightly cheaper Winchester Model 67, it offered an aperture sight. == Origins and design == The early 1930s were a period of intense competition amongst American rifle manufacturers such including Winchester, Iver Johnson, and Mossberg. In an attempt to win the loyalty of entry-level single-shot rimfire rifle buyers, these companies continuously cut production costs and pared profits down to the bare minimum. Winchester already offered a single-shot rimfire rifle aimed at the competition market, the Model 60A, but it had failed to win significant market share due to its relatively high price and was considered a disappointment.〔Houze, p. 147.〕 Winchester had already embarked on a program to reduce the production costs of the entry-level Model 60, resulting in the new Model 67, and the design of a similar lower-priced target rifle was a logical next step. As with the Model 60 from which they were derived, the cocking piece at the rear of the bolt had to be manually drawn rearwards to cock the action after closing the bolt, but the new rifles featured a wing-style safety with more easily visible "SAFE" and "FIRE" indications. The front sight of the Model 68 was a Model 97A with a removable sheetmetal hood and the rear sight was a Model 96A,〔 featuring a removable disc, which had a smaller aperture better suited for target shooting. With the insert removed, the sight was less accurate but offered more light—making it better for small game hunting and informal plinking. Both rifles featured a stock made of plain uncheckered walnut with a pistol grip and finger grooves, and both were takedown designs; the barreled action was easily removed by turning a screw under the stock using a penny. 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「Winchester Model 68」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.