Armscor .22 TCM9R Features Armscor s ammunition is well regarded for its high-quality components which contribute to its consistent ballistic performance. Its brass casing offers corrosion resistance and is excellent for reloading. The jacketed hollow point (JHP) design is intended for quick expansion on impact maximizing damage and increasing stopping power. Armscor .22 TCM9R Specifications Manufacturer: Armscor Model: Ammo Caliber: 22 TCM9R Grain Weight: 39 Grains Type: Jacketed Hollow Point Units per Box: 50 Casing Material: Brass