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The .22 TCM is based on the 5.56×45mm NATO case, shortened to match the overall cartridge length of the .38 Super. This design results in a cartridge approximately 3 mm longer than a standard 9×19mm round. The .22 TCM was specifically engineered for the Rock Island Armory (RIA) M1911 line of pistols, which also supports 9mm barrel swaps.
Currently the info box shows 40 gr (3 g) Bullet weight, 2,800 ft/s (850 m/s) Velocity, 392 ft·lbf (531 J) Energy Using my energy calculator, 40gr bullet at 2800 fps velocity gives 696 ft-lbs energy, not 392 ft/lbs. Working backwards, 40gr bullet with 392 ft-lbs energy would need about 2100 fps velocity.
This is usually a result of extreme wear or outright breakage of firing mechanism components and can result in uncontrollable "full-auto" operation, in which multiple rounds are discharged following a single pull of the trigger. It is a problem not limited to old guns and may occur in any rifle, even those in good condition.
Developed jointly by Remington and Smith & Wesson, it was to be used in the Model 53 revolver, which first appeared late in 1961. [3] While it traced its origins to potent wildcats such as the .224 Harvey Kay-Chuk, [4] which ultimately derive from the .22 Hornet, [4] it was a bottlenecked cartridge based upon the .357 Magnum case necked down to a .22 caliber bullet, with an unusually long ...
Armscor introduced a new proprietary caliber named the .22 TCM (Tuason Craig Micromag) based on the 1911 pistol. The cartridge is essentially a 5.56×45mm NATO cartridge shortened to 1.265 in. total length with a 40-grain jacketed hollow point bullet. Its main characteristics are its high velocity and low recoil, allowing for repeated accurate ...
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All of the WSM cartridges are inspired on the .404 Jeffery non-belted magnum cartridge which is shortened to fit a short rifle action (such as a .308 Winchester). [1] It was developed by Rick Jamison in 1997-1998 as proven in a 2005 lawsuit Jamison vs. Olin Corporation-Winchester division. [2] Jamison was given 7 patents on the cartridge design.