22 TCM is a fast and accurate gun cartridge that has high velocity and less recoil. It is designed for speed with a bottleneck shape. 22 TCM ammunition is a caliber that stands as a testament to innovation, speed, and accuracy. Target Sports USA sells trusted brands of 22 TCM ammunition and bulk ammo, including Armscor and more. Best ammo. Best selection. Stock up now! Free shipping on bulk ammo is available!