CCI Ammunition TNT .17 Hornady Magnum Rimfire 17 Grain TNT Jacketed Hollow Point Rimfire Ammo 50 Rounds. 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 TNT .17 Hornady Magnum 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 Package Type: Case Primer Style: Rimfire Package Contents: CCI Ammunition TNT .17 Hornady Magnum Rimfire 17 Grain TNT Jacketed Hollow Point Rimfire Ammunition What is CCI Ammunition TNT .17 Hornady Magnum Rimfire 17 Grain TNT Jacketed Hollow Point Rimfire Ammunition good for? The manufacturer thinks that it is suitable for varmint.CCI Ammunition 53: TNT .17 Hornady Magnum Rimfire 17 Grain TNT Jacketed Hollow Point Rimfire Ammo 50 Rounds