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The test seemed inconsistent or contradictory to future observers, and it was accused of heavy .45 ACP and American handgun bias. [23] According to the latter 10mm report, it was decided: "five shots were fired in each of the 8 penetration tests, providing a total of 40 shots for each caliber or bullet type tested".
While there is merit to this (there is a strong following of the .45 ACP, as compared to the .40 S&W and 0.355 in diameter 9×19mm, for just this reason) there are also significant downsides. A larger-diameter bullet is going to have significantly more drag than a smaller-diameter bullet of the same mass, which means long-range performance will ...
The .40 S&W (10.2×22mm) is a rimless pistol cartridge developed jointly by American firearms manufacturers Smith & Wesson and Winchester in 1990. [3] The .40 S&W was developed as a law enforcement cartridge designed to duplicate performance of the Federal Bureau of Investigation's (FBI) reduced-velocity 10mm Auto cartridge which could be retrofitted into medium-frame (9 mm size) semi ...
Pi said because he wanted the .400 Corbon to be easy for handloaders to make, he based the cartridge on the ubiquitous .45 ACP so that an ample supply of cases was readily available, gave the shoulder a 25-degree angle, and head-spaced it on the case shoulder rather than the mouth so that over-all-length is not critical and the bullet can take ...
The test cartridge must be inserted into the chamber in such a way that the hole in the test cartridge case lines up with a gas port hole that channels the gas pressure from the cartridge case to the face of the sensor. The measurement accuracy of the pressure measurements with 21st century high-pressure sensors is expected to be ≤ 2%. [7]
The cartridge was made by necking down and slightly stretching the .40 S&W case, which itself derived from the 10mm Auto..400 Corbon. This cartridge was designed to produce 10mm Auto ballistics in a cartridge that could be chambered in a .45 ACP pistol with a simple barrel swap. It was made by necking a .45 ACP down to .40 (10 mm).
Black Talon ammunition was produced in the following calibers: 9mm Luger, 10mm Auto, .40 S&W, .45 ACP, .357 Magnum, .44 Magnum, .300 Winchester Magnum, .308 Winchester, .338 Winchester Magnum, and .30-06 Springfield. Black Talon was controversial, and Winchester discontinued sales to the general public in 1993 and ceased manufacture in 2000.
In the classic division a choice can be made between up to a 10-shot capacity 1911 with minor scoring (e.g. 9×19mm) or up to an eight-shot capacity 1911 with major scoring (e.g. .40 S&W or .45 ACP). In the revolver division major scoring can be achieved with a 9 mm bullet diameter, but with a power factor of 170.