Sierra MatchKing HPBT 220-grain #2240 Bullet constructionġ0.1-grain charge Muzzle velocity: 1,044 ft/s Muzzle energy: 532 ft-lbf Chamber pressure: 26,700 psi Hornady InterBond #30309 Bullet constructionġ5.6-grain charge Muzzle velocity: 1683 ft/s Muzzle energy: 943 ft-lbf Chamber pressure: 34,500 psiġ7.8-grain charge Muzzle velocity: 1,899 ft/s Muzzle energy: 1,201 ft-lbf Chamber pressure: 48,700 psiġ0.4-grain charge (compressed) Muzzle velocity: 1,056 ft/s Muzzle energy: 470 ft-lbf Chamber pressure: 29,100 psi Speer Varmint Hollow Point #2005 Bullet constructionġ7.4-grain charge Muzzle velocity: 1,885 ft/s Muzzle energy: 1,025 ft-lbf Chamber pressure: 38,700 psiġ9.4-grain charge (compressed) Muzzle velocity: 2,062 ft/s Muzzle energy: 1,227 ft-lbf Chamber pressure: 49,000 psi Hodgdon produced the following load data using a 16” barrel with a 1:8 barrel twist rate, Hornady cases trimmed to 1.363”, and Remington 7 1/2 Small Rifle Magnum primers. IMR 4227 is suitable for supersonic and subsonic loads. The relatively fast burn rate makes it suitable for loading various varmint and intermediate rifle cartridges with limited case capacity, such as. It is a classic reloading powder that should be on the shelves of any handloading enthusiast. IMR 4227 is a pistol powder with a medium burn rate, primarily intended for use in Magnum pistol and revolver cartridges. Today, IMR is a trademark of the IMR Powder Company, a Hodgdon brand. IMR propellants have long been used to manufacture US military service ammunition, such as. DuPont initially developed the first Improved Military Rifle (IMR) powders between World War I and World War II as miniaturized versions of US artillery extruded propellants.
0 kommentar(er)
