CCI Ammunition TNT .17 Hornady Magnum Rimfire 17 Grain Speer TNT Jacketed Hollow Point Rimfire Ammo CC0053C. The 17 HMR load offers a flat trajectory and explosive expansion on impact as well as reliable CCI priming and brass.Features:Explosive expansion on impactAccurate at long rangesProven bullet designMinimal mid-range rise Specifications for CCI Ammunition .17 Hornady Mag Rimfire 17 Grain TNT Jacketed Hollow Point Rimfire Ammunition: Manufacturer: CCI Ammunition Caliber: .17 Hornady Magnum Rimfire Number of Rounds: 50 Bullet Type: Jacketed Hollow Point (JHP) Bullet Weight: 17 grain Cartridge Case Material: Brass Muzzle Velocity: 2550 ft/s Application: Varmint Primer Style: Rimfire Package Contents: CCI Ammunition .17 Hornady Mag Rimfire 17 Grain TNT Jacketed Hollow Point Rimfire Ammunition What is CCI Ammunition .17 Hornady Mag Rimfire 17 Grain TNT Jacketed Hollow Point Rimfire Ammunition good for? The manufacturer thinks that it is suitable for varmint.CCI Ammunition TNT .17 Hornady Magnum Rimfire 17 Grain Speer TNT Jacketed Hollow Point Rimfire Ammo CC0053C