Ammo Inc Signature, 380 ACP, 100 Grain, Total Metal Coating, 50 Round Box 380100TMC-A50 This .380 Auto 100gr TMC (Total Metal Coating) is from the Ammo, Inc. Signature Target Shooting Line. Whether you're a serious shooter who spends a lot of time on the range or a casual plinker who shoots a few times a year, you'll need the best available ammo to fuel your specific firearm. Balancing velocity, accuracy, and recoil, our development team carefully analyses every load to help our ballisticians achieve the specific outcome of superiority.