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Later, round barrels were added in a wider variety of lengths, including 10, 12 and 14 inches (250, 300 and 360 mm). Likewise, round barrels in heavier (bull) barrel configurations, known as Super 14 pistol and Super 16 pistol barrels, respectively, were added. Carbine barrels in 16 and 21 in (410 and 530 mm) were added for the Contenders. [7]
The Encore barrel list also includes shotgun barrels in 28, 20, and 12 gauge, and muzzleloading barrels in .45, .50 caliber, and 12 gauge using #209 shotgun primers. In 2007, Encore rimfire barrels became available in 22 LR and 17 HMR, featuring a unique monoblock design that required no alteration to the frame assembly.
Top-Break Automatic Ejecting Model 1.32 S&W, .32 H&R, or .38 S&W; 5- or 6- shot; hard rubber grip panels with floral design, 3 + 1 ⁄ 4 in. barrel, modified American Double Action mechanism and frame, nickel finish, First Variation marked on top of barrel with company name and address only and two guide rods for ejector (1885–1886), Second ...
The .45-70 (11.6x53mmR), also known as the .45-70 Government, .45-70 Springfield, and .45-2 1 ⁄ 10" Sharps, is a .45 caliber rifle cartridge originally holding 70 grains of black powder that was developed at the U.S. Army's Springfield Armory for use in the Springfield Model 1873.
The barrel and mandrel are rotated and hammered by power hammers, which forms the inside of the barrel. This is the fastest and often cheapest method of making a barrel, but the equipment is expensive. Hammer-forged barrels are generally not capable of the accuracy attainable with the first two methods mentioned.
Smooth-bore shotgun barrels are quite a bit less expensive than rifled shotgun barrels, and Foster type slugs, as well as wad slugs, can work well up to 75 yd (69 m) in a smooth-bore barrel. For achieving accuracy at 100 yd (91 m) and beyond, however, a dedicated rifled slug barrel usually provides significant advantages. [citation needed]
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According to the US Army Ordnance Department tests, the 45-70-405 was loaded to 19,000 psi, [4] while the 45-70-500 was loaded to 25,000 psi [2] The average accuracy of the Springfield Model 1873 was a circle with an average radius of 1.7 inches at 100 yards, corresponding to an ~3.4 MOA.