<P> . 17 Hornady Magnum Rimfire ( 4.5 × 27mmR ) , commonly known as the . 17 HMR , is a rimfire rifle cartridge developed by the ammunition company Hornady in 2002 . It descended from the . 22 Magnum by necking down the . 22 Magnum case to take a . 17 caliber ( 4.5 mm ) projectile . Commonly loaded with a 17 grain ( 1.1 g ) projectile , it can deliver muzzle velocities in excess of 775 m / s ( 2550 ft / s ) . </P>
<P> . 17 Hornady Magnum Rimfire ( 4.5 × 27mmR ) , commonly known as the . 17 HMR , is a rimfire rifle cartridge developed by the ammunition company Hornady in 2002 . It descended from the . 22 Magnum by necking down the . 22 Magnum case to take a . 17 caliber ( 4.5 mm ) projectile . Commonly loaded with a 17 grain ( 1.1 g ) projectile , it can deliver muzzle velocities in excess of 775 m / s ( 2550 ft / s ) . </P>
what does the hmr stand for in .17hmr
what does the hmr stand for in .17hmr
Hornady Magnum Rimfire
Hornady Magnum Rimfire