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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 ...
The .264 Winchester Magnum main competition comes from the various 7mm cartridges such as the 7mm Remington Magnum, 7mm Weatherby Magnum, the .270 Winchester Short Magnum, .270 Weatherby Magnum, 6.5mm Remington Magnum and the .257 Weatherby Magnum cartridges in North America and the cartridges such as the 6.5×68mm in Europe. Due to the over ...
7mm Weatherby Magnum.30-378 Weatherby Magnum.224 Weatherby Magnum.240 Weatherby Magnum.257 Weatherby Magnum.270 Weatherby Magnum.300 Weatherby Magnum; 6.5-300 Weatherby Magnum.338-378 Weatherby Magnum.340 Weatherby Magnum.375 Weatherby Magnum.378 Weatherby Magnum.416 Weatherby Magnum.460 Weatherby Magnum
The .30-378 Weatherby Magnum is a .30 caliber, belted, bottle-necked rifle cartridge. [2] The cartridge was developed in response to a US Army military contract in 1959. While still unreleased to the public, the cartridge went on to set world records for accuracy including the first ten 10X in 1,000 yards (910 m) benchrest shooting. [ 3 ]
An overview of 7mm caliber cartridges, their history, and uses in firearms.
Based on a .378 Weatherby Magnum case, the case is impractically overpowered for the bore diameter, and so the cartridge remains a curiosity. [11] [12] 7 mm TCU (also known as 7TCU). Based on the .223 Remington case, the 7 mm TCU is popular in single-shot handguns such as the Thompson Center Arms' Contender and G2 Contender.
- necked down to accept a 7mm bullet - Originated during experimentation with 7mm bullets in inexpensive, surplus 30-06 brass cases. [16] The commercial .280 Remington (or 7mm Express Remington ) is very similar, but uses the slightly longer 65 mm 30-03 case with the shoulder headspace extended slightly more than one millimeter (.05 inch) to ...
Another alternative cartridge that provides slightly improved ballistics over the .7mm Rem Mag, is the 7mm Weatherby Magnum, which though released to the market 18 years before, never reached the popularity of the former, mainly because of Weatherby rifles' high price and since the barrels for Weatherby's cartrdige initially had a 1:12 twist ...