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.40-70 Sharps (Straight), .40-65 Sharps (1876) Reloading Data

 
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Warning! Notes: This is another cartridge with ballistics similar to a half-dozen others of different make or origin. There are actually more than a dozen 40-caliber cartridges with powder charges of around 40 to 70 grains and none offer any stupendous advantage over the others. Like other 40 Sharps numbers, this one used a 0.403-inch-diameter bullet, weighing 330 or 370 grains. These chambers were cut to use bore-diameter bullets (often paper-patched). Groove diameter is typically 0.408 inch to 0.411 inch. A number of Lyman bullet molds are available in this size. Although longer, this case has the same basic body as the 30-40 Krag. However, because headspacing is on the rim, it may not be possible to safely use that case to make the 40-70 except for very-low-pressure loads. (Cartridges of the World 9th Edition)
Be Alert: Publisher cannot be responsible for errors in published load data.
Wt. Bullet Powder Manufacturer Powder Charge Velocity (FPS)
330 Lead IMR IMR-4198 Click Here 1,250
 

.40 Caliber Reloading Data