The .22 TCM (Tuason, Craig, Micromagnum) is a proprietary bottlenecked rimless cartridge derived from a 5.56×45mm NATO (.223 Remington) parent case. It was developed by custom gunsmith Fred Craig in collaboration with Martin Tuason, the President of Rock Island Armory (RIA) and Armscor.

May 13, 2016 · The .22 TCM cartridge, chambered in the Rock Island Armory TCM rifle, makes a strong case as an effective varmint round. The design of the bolt is not identical to the bolt of the Anschutz 1730/1740 action, which is used for rifles in …

Jul 27, 2017 · As a handgun cartridge, the .22 TCM affords the M1911 aficionado a low-cost, minimal-recoil experience with which to hone marksmanship and personal-protection skills.

Jul 26, 2023 · Rock Island Armory has adopted the 1911 for their proprietary caliber, the 22 TCM. Both versions of the pistol are identical, excluding the black barrel chamber. The 22 TCM itself is formidable. Its closest comparable cartridge is the 5.7×28.

Oct 1, 2014 · John Browning’s justly famous 1911 pistol is now available in a new reincarnation. Rock Island Armory, an American importer for Armscor of the Philippines, recently introduced a version of the famed handgun that fires a brand-new cartridge: the .22 TCM.

Jan 9, 2013 · Not your buddy's .22 1911 — the new .22 TCM from Rock Island Armory is a new cartridge that throws a 40-grain bullet twice as fast as a .22 Long Rifle.

The .22 TCM is the latest wildcat round to begin to gain popularity in shooting circles. It joins a crowded list of other wildcat rounds that are picking up commercial producers.

If anything differentiates the Rock Island Armory 1911A2 as tested, it is the chambering in the new .22TCM caliber. While the most common loading for the 1911 is the very effective yet slow-moving 230-grain .45 ACP, the .22TCM is far on the other end of the ballistic spectrum.

Mar 13, 2024 · The .22 TCM is built to move, weighing in at 40 grains and moving at velocities of around 1,850 to 1,900 feet per second when fired from a 5-inch barrel. When you toss the .22 TCM in a rifle-length barrel, the velocity amps up to 2,800 feet per second.

Feb 1, 2012 · The .22 TCM is a funky cartridge. It’s designed from a necked down piece of 9mm Parabellum brass to take a .223 caliber bullet (the same bullet used in 5.56x45mm NATO rifles) and fire from a handgun.