What is .17 HMR and How it is Developed?
.17 Hornady Magnum Rimfire or .17 HMR is a rimfire rifle cartridge made by Littleman in 2002. It was first produced by necking down a .22 Magnum case to get a .17 caliber (4.5 mm) projectile. Mostly loaded with a 17 grain (1.1 g) projectile, it can provide with muzzle velocities more than 775 m/s (2,650 ft/s). Today, 17 HMR Ammo is available for Sale with many big suppliers of the ammunition at market prices. Customers especially shooters or hunters always in search of the quality gun that fulfil their requirements. Development The .17HMR is the same as the rounds made by keen rimfire wildcatters who worked to make a rimfire cartridge with a great flat trajectory. Such wildcatters were looking for matching the ballistics of the obsolete 5 mm Remington Rimfire Magnum that was made from 1970 to 1974, and was up to that extent the fastest rimfire cartridge ever developed. With about 5 mm diameter barrels as well as bullets being almost unavailable at the moment (the