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The C was to indicate the powder burned "cooler" than traditional Improved Military Rifle (IMR) powders. [4] In 1949, he began acquisition of powder salvaged from disassembled Oerlikon 20mm cannon cartridges. This powder resembled IMR 4350 in appearance, and with a slower burning rate, was initially marketed as "4350 Data", and later as 4831. [5]
Published handload data from major handloading-product companies shows how versatile the .22 Hornet can be. According to the Hodgdon Powder Company reloading data, the heavier bullets show an affinity for Lil'Gun smokeless powder to produce much higher velocities than other powder with heavy bullets in this small case. [1]
An IMR smokeless powder for reloading The Hagley Museum in Wilmington, Delaware. IMR Legendary Powders is a line of smokeless powders which are popularly used in sporting and military/police firearm cartridges. The initials 'IMR' stand for Improved Military Rifle powder. IMR powders makes a line of various types of smokeless powder suitable for ...
The reloader has a wide variety of components, bullets and powders available. Among bullet manufacturers Barnes, Hornady and Lyman provide reloading data in their manuals for the .460 Weatherby Magnum. Powder manufacturers Accurate Arms, Hodgdon and Norma have also provide reloading data for the cartridge.
Based on Hodgdon reloading data typical velocities should range from approximately 4,000 ft/s (1,200 m/s) with a 58-grain (3.8 g) bullet to approximately 3,000 ft/s (910 m/s) with a 100-grain (6.5 g) bullet. [1] The percentage gain in performance over the older .243 Winchester is around 10% or less.
Source(s): Nosler Load Data, [1] Hodgedon Reloading Data Center [2] The .338 Federal is a rifle cartridge based on the .308 Winchester case necked up to .33 caliber . It was created by Federal Cartridge and Sako in 2006 and intended as a big-game cartridge with reasonable recoil for lightweight rifles.
Source(s): Hodgdon Online Reloading Data The .375 Winchester / 9.5x51mmR is a modernized version of the .38-55 Winchester , a black powder cartridge from 1884. It was introduced in 1978 along with the Winchester Model 94 “Big Bore” lever action rifle , which was in production from 1978 until 1986.
Source(s): Accurate Powders load guide v3.5 [1] Hodgdon powders achieve approx 100fps less. [ 2 ] The .300 Winchester Magnum (also known as .300 Win Mag or .300 WM ) (7.62×67mmB, 7.62x66BR) is a belted , bottlenecked magnum rifle cartridge that was introduced by the Winchester Repeating Arms Company in 1963.