The .45-70 (11.6x53mmR), also known as the .45-70 Government, .45-70 Springfield, and .45-2⁄10" 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.

.50-70 Govt，顾名思义是使用0.50in口径的弹头，内装70gr的黑火药作为发射药，标准弹头重400gr（≈26g），所以又叫.50-70-400 Govt，使用28英寸长的枪管发射时初速度564m/s，枪口动能4118J，膛压可达22,500 PSI

2024年2月20日 · The 40-70 Govt is a versatile and effective cartridge for hunting a variety of game, including deer and larger game. Its power and accuracy make it well-suited for most hunting situations.

Here’s what you need to know about hunting with the 45-70 Govt today. Most hunters in North America are probably familiar with the .45-70 Government. However, while the .45-70 Govt was beloved by hunters during the 1800s, popularity of the cartridge has dropped off in recent years.

2012年10月18日 · I picked up an unfired Shiloh #1 Heavy 34 in. barrel years ago chambered in the old Shiloh 40 - 2 1/10 also known as the 40-70 Govt. (BN). Have several Shiloh's in the same caliber (45-70), and thinking of rebarreling one with this barrel (getting older and the .40 calibers are looking more appealing to my shoulder).

In January of 1882, the Frankford Arsenal began producing the 45-70 rifle cartridge with a 500 grain bullet; this cartridge is one of those. The 405 grain bullet continued to be used for the .45 …

2018年1月5日 · Resembling a fire hydrant more than an Apollo-era rocket, the .45-70 Government represents an era of American firearms development that is most certainly romantic and charismatic. However, the usefulness of the design is what has allowed it to see its way from the 19 th century through the 21 st century. Long live the .45-70!

Originating in the late 19th century, the .40-70 was conceived for single-shot buffalo rifles, chiefly the Sharps Model 1874. These big-bore cartridges were designed to deliver hard-hitting performance at extended ranges.

2009年8月30日 · My 40-70 2.1" is extremely accurate with gas checked, Hoch bore riding 336 gr and 408 gr spitzers with a .130" meplat (nose pour molds) and xmp 5744 smokeless. It also shoots fairly well with duplex loads as the 4759 helps cut the residual bp fouling alot.

5 天之前 · To this day, it is referred to as either the 45-70 Government, 45-70 Govt, or 45-70 Gov. At the time of its release, the original black powder load was one of the most powerful available. It could push a cast lead bullet at around 1,350 fps (feet per …