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Currently A-square is the only other factory ammunition producer of the .340 Weatherby Magnum, which has led to limited popularity of the caliber. In field tests the .340 clearly outperforms the 300 Ultra mag, .338 Win mag. and even rivals the larger .375 H&H, providing a much flatter shooting and harder hitting performance.
.224 Weatherby Magnum.224 Valkyrie.225 Winchester.297/230 Morris.240 Apex.240 Weatherby Magnum.242 Rimless Nitro Express.243 Winchester.243 Winchester Super Short Magnum.244 H&H Magnum.244 Remington.246 Purdey.303/25.25 Remington.25-45 Sharps.25-21 Stevens.25-25 Stevens.25 Winchester Super Short Magnum.250 Savage.25-06 Remington.25-20 Winchester
.340 Weatherby Magnum.375 Weatherby Magnum.378 Weatherby Magnum.416 Weatherby Magnum.460 Weatherby Magnum; W. Weatherby This page was last edited on 6 July 2013, at ...
The performance level of the Weatherby cartridge comes at a cost: recoil. The recoil of the .460 Weatherby Magnum is severe. The cartridge generates close to 100 ft⋅lbf (140 J) of energy. This is in keeping with Newton's Third Law of Motion: Every action has an equal and opposite reaction. As performance levels rise, so does the recoil.
The .338-378 Weatherby Magnum is based on the .338-378 KT, a wildcat cartridge created by Elmer Keith and R.W. "Bob" Thomson in 1966. [2] The KT is based on the .378 Weatherby Magnum cartridge but is shorter by 1/4" and necked down to a .338 caliber bullet. [ 3 ]
As with other belted magnum cartridges, recoil is significant, due to the high pressures that are characteristic of Weatherby Magnum, though not as heavy as larger-caliber magnums such as the .300 Weatherby Magnum. Care must be taken to confirm what twist rate was used, as the earlier West German 7mm Weatherbys used a 1-in-12 twist vs the ...
Weatherby, Inc. is an American gun manufacturer founded in 1945 by Roy Weatherby. The company is best known for its high-powered magnum cartridges, such as the .257 Weatherby Magnum, .270 Weatherby Magnum, .300 Weatherby Magnum, .340 Weatherby Magnum and the .460 Weatherby Magnum. The company's headquarters is in Sheridan, Wyoming.
This is about twice as much as the recoil from an average .308 Winchester. Strong recoil like this can be mitigated with the use of properly designed stocks and recoil pads. By comparison, this cartridge has less recoil than other more powerful .338-caliber rifles such as the .338 RUM, .340 Weatherby and .338 Lapua.