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Winchester offered factory loaded .256 Magnum ammunition (and brass to reloaders) into the beginning of the 1990s. Winchester .256 factory loads used a 60 grain Open Point Expanding bullet at a MV of 2760 fps and ME of 1015 ft. lbs. from a 24-inch rifle barrel. That is about 500 fps faster than Winchester factory loads for the old .25-20 cartridge.
A magnum cartridge is a firearm cartridge with a larger case size than, or derived from, a similar cartridge of the same projectile caliber and case shoulder shape. [clarification needed] The term derives from the .357 Magnum, the original revolver cartridge with this designation.
.256 Winchester Magnum: Firearms cartridge United States of America: Q4545217.257 Roberts: Rifle cartridge United States of America: Q13422996.257 Weatherby Magnum: Rifle cartridge United States of America: Q158710.260 Remington: cartridge Q4545226.264 Warrior Magnum: cartridge United States of America: Q158712.264 Winchester Magnum: rifle ...
In November, 1943 it was the first plant to package ammo in vacuum-packed metal cans. In the Spring and Summer of 1944 it was employed in inspecting and repacking .45 ACP and .30 Carbine ammunition. EW Eau Claire Ordnance Plant (August 1942 to December 1943) – Eau Claire, Wisconsin a division of US Rubber Co.
.300 Winchester Magnum.338 Winchester Magnum.458 Winchester Magnum This page was last edited on 9 November 2014, at 20:05 (UTC). Text is ...
Due to the gaining popularity of the 7mm Rem Mag, in 1963 Winchester launches the last member of the Winchester Magnum family of cartridges; the .300 Winchester Magnum; a standard length action belted magnum driving a 180 grain bullet at 3000 fps and a 150 grain bullet at a muzzle velocity of 3300 fps. The cartridge took off slowly but managed ...
Olin Corporation-Winchester Division, Case Nos. 03-1036-KI (lead case), 04-31-KI, 04-76-KI (D. Or. Nov. 2, 2005). Inventor John R. Jameson had developed and patented several designs for short magnum rifle cartridges. [citation needed] Jameson approached Olin/Winchester ammunition with his invention. The court found that Olin/Winchester and ...
The Ruger Hawkeye is a single-shot pistol chambered for the .256 Winchester Magnum cartridge, produced by Sturm, Ruger & Co. from 1963 until July 1964. [1] It was built on the same frame as the Ruger Blackhawk, but rather than having a rotating cylinder like a standard revolver, it featured a swiveling breechblock which allowed an individual round to be loaded and sealed into the frame.