High Performance Hornady FTX® Bullets Unaffected by thick and heavy clothing, the 45 gr. FTX bullet delivers superior controlled expansion and terminal ballistics comparable to the 380 Auto Critical Defense load. It offers superb accuracy and devastating terminal performance in a a rifle. Powder Optimized for short-barreled firearms, the 22 WMR features clean burning propellants with low flash and blast to help protect night vision. Highest Quality Cases Silver nickel-plated cases prevent corrosion and are easily visible in low-light situations.