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3031 1934 standard replaced 17 1/2; [18] for mid-range loads and medium sporting and military cartridges like the .257 Roberts, .30-30 and .348 Winchester [11] 4064 1935 standard replaced 1015; [19] for magnum capacity cartridges like the .250-3000 Savage, .35 Whelen and .375 H&H Magnum [11] 4198 1935 thin
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 ...
Cartridges of the World [3] lists reloading information for both the 232 and 286gr bullets using IMR3031 powder as well as showing a Norma factory load. The loads listed in Cartridges of the World are valid, but dated. The loading information has not been updated to reflect newer powders than IMR 3031.
Robert Hutton (technical editor of Guns & Ammo magazine [clarification needed]) started development of a powder load to reach the 3,300 ft/s (1,006 m/s) goal. He used DuPont IMR4198, IMR3031, and an Olin powder to work up loads. Testing was done with a Remington 722 rifle with a 22-inch Apex barrel. During a public demonstration, the round ...
The study analyzed data from nearly 10,000 people who were enrolled in a randomized clinical trial, looking into the impact of low-dose aspirin on reducing heart disease risk in Australian and ...
The data also highlights a racial disparity in police violence, noting that Black Americans accounted for 27% of people killed by law enforcement last year even though they made up 13% of the ...
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]
For the week ending Nov. 2, the latest for which CDC data is available, 2.8% of all pneumonia-associated ED visits led to an M. pneumoniae diagnosis, up from just 2% at the end of September.