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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 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]
Source(s): Hodgdon Online reloading data The .38 Short Colt , also known as .38 SC , is a heeled bullet cartridge intended for metallic cartridge conversions of the cap and ball Colt 1851 Navy Revolver from the American Civil War era.
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.
Hodgdon also makes "Triple Seven", a sulfur-free black powder substitute containing potassium perchlorate and 3-Nitrobenzoic acid, and "Black Mag3". [10] These are both more energetic by mass than black powder and can produce higher velocities and pressures.