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  2. Springfield model 1873 - Wikipedia

    en.wikipedia.org/wiki/Springfield_model_1873

    The average accuracy of the Springfield Model 1884 was a circle with an average radius of 1.3 inches at 100 yards, corresponding to ~2.6 MOA. [5] Therefore, the accuracy potential of the average Springfield Model 1884 is comparable to that of the German K98k or Springfield's later M1 Garand. Accuracy chart for the Springfield Model 1884

  3. Springfield model 1884 - Wikipedia

    en.wikipedia.org/wiki/Springfield_Model_1884

    The Springfield model 1884 was one of the "Trapdoor Springfield" rifles. It was an improved replacement for the previous longarm of the U.S. Armed Forces, the Springfield model 1873 and its variants.

  4. Springfield model 1870 - Wikipedia

    en.wikipedia.org/wiki/Springfield_model_1870

    Springfield Model 1870 (center) The Springfield Model 1870 was one of the rifles which used the trapdoor breechblock design developed by Erskine S. Allin. The Model 1870 was a minor improvement to the Springfield Model 1868, and retained most of the Model 1868 rifle features. [1]

  5. Trapdoor mechanism - Wikipedia

    en.wikipedia.org/wiki/Trapdoor_mechanism

    Springfield Model 1866, trapdoor breech closed. 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 ...

  6. Springfield Model 1868 - Wikipedia

    en.wikipedia.org/wiki/Springfield_Model_1868

    This model is unique in the trapdoor series by being marked with the actual year of manufacture (1868, 1869, or 1870) on the breech-block. The 1868 marking is extremely rare with probably no more than 150 so marked; about 16,000 were marked 1869, with the remaining 36,000 being stamped 1870.

  7. Springfield Model 1888 - Wikipedia

    en.wikipedia.org/wiki/Springfield_Model_1888

    The Springfield Model 1888 was one of several models of rifles produced by Springfield Armory for the United States military in the late 19th century. It was the final design in a long line of rifles which used the trapdoor breechblock design developed by Erskine S. Allin in the 1860s and the last single-shot rifle to see American military service.

  8. Springfield Model 1869 - Wikipedia

    en.wikipedia.org/wiki/Springfield_Model_1869

    Originally, the trapdoor Springfields were created to convert Model 1863 Springfield rifled muskets to breech-loading rifles at a relatively low cost. The Model 1869 Cadet Rifle was a shortened version of the Springfield Model 1868. It had a 29.5 inch barrel, compared to the 32.5 inch barrel of the Model 1868, and had an overall length of 48.8 ...

  9. .45-70 - Wikipedia

    en.wikipedia.org/wiki/.45-70

    The result of the quest for a more accurate, flatter shooting .45 caliber cartridge and firearm was the Springfield trapdoor rifle. Like the .50-70, the .45-70 used a copper center-fire case design. A reduced power loading was also adopted for use in the Trapdoor carbine. This had a 55-grain (3.6 g) powder charge.