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  2. Springfield Model 1866 - Wikipedia

    en.wikipedia.org/wiki/Springfield_Model_1866

    Springfield Model 1866 breech. The Springfield Model 1866 was the second iteration of the Allin-designed trapdoor breech-loading mechanism. Originally developed as a means of converting rifle muskets to breechloaders, the Allin modification ultimately became the basis for the definitive Springfield Model 1873, the first breech-loading rifle adopted by the United States War Department for ...

  3. Springfield rifle - Wikipedia

    en.wikipedia.org/wiki/Springfield_rifle

    Springfield Model 1866 – .50-70 caliber trapdoor rifle. [5] Springfield Model 1868 – .50-70 caliber trapdoor rifle. [6] Springfield Model 1869 – .50-70 caliber trapdoor cadet rifle. [7] Springfield Model 1870 – .50-70 caliber trapdoor rifle. [8] Springfield Model 1870 Remington-Navy – .50-70 caliber rolling-block rifle. [9 ...

  4. Trapdoor mechanism - Wikipedia

    en.wikipedia.org/wiki/Trapdoor_mechanism

    The Springfield model 1865 fired a rimfire .58-60-500 cartridge (.58 inch 500-grain (32 g) bullet, 60 grains (3.9 g) of black powder), the caliber matching that of the Civil War Minié ball, which was originally used in these rifles. The Model 1865 quickly became obsolete, and most of them were sold in the 1870s to several American arms dealers.

  5. Springfield Model 1868 - Wikipedia

    en.wikipedia.org/wiki/Springfield_Model_1868

    Over 50,000 Model 1868 rifles were manufactured, chambered for the .50-70 450 cartridge. This model served as the basis for the definitive Springfield Model 1873 series of rifles in .45-70-405 caliber, which was adopted in 1873 as the standard military longarm of the United States armed forces for the next 20 years.

  6. Springfield musket - Wikipedia

    en.wikipedia.org/wiki/Springfield_musket

    Springfield musket may refer to any one of several types of small arms produced by the Springfield Armory in Springfield, Massachusetts, for the United States armed forces. In modern times, these muskets are commonly referred to by their date of design followed by the name Springfield ("1855 Springfield", for example).

  7. .50-70 Government - Wikipedia

    en.wikipedia.org/wiki/.50-70_Government

    Derived from the .50-60-400 Joslyn, the cartridge was developed after the unsatisfactory results of the .58 rimfire cartridge for the Springfield Model 1865 rifle. The .50-70 Government cartridge used the Benét internal center-fire primer design and became the official cartridge of the U.S. military in 1866 until being replaced by the .45-70 Government in 1873.

  8. 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

  9. .45 ACP - Wikipedia

    en.wikipedia.org/wiki/.45_ACP

    The .45 ACP (Automatic Colt Pistol), also known as .45 Auto, .45 Automatic, or 11.43×23mm [1] is a rimless straight-walled handgun cartridge designed by John Moses Browning in 1904, for use in his prototype Colt semi-automatic pistol. After successful military trials, it was adopted as the standard chambering for Colt's M1911 pistol. [2]