Supernova Red Tracer Non Corrosive 45 ACP 225 Grain Full Metal Jacket Centerfire Pistol Ammo 20 Rounds. Specifications for Supernova Red Tracer Non Corrosive 45 ACP 225 Grain Full Metal Jacket Centerfire Pistol Ammunition: Manufacturer: Supernova Caliber: .45 ACP Number of Rounds: 20 Bullet Type: Full Metal Jacket (FMJ) Bullet Weight: 225 grain Cartridge Case Material: Brass Application: Target Included Accessories: None Primer Style: Centerfire Application: Target/Range Case Material: Brass Package Contents Supernova Red Tracer Non Corrosive 45 ACP 225 Grain Full Metal Jacket Centerfire Pistol Ammunition Supernova PMSN45ACR: Red Tracer Non Corrosive 45 ACP 225 Grain Full Metal Jacket Centerfire Pistol Ammo 20 Rounds