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Source(s): Vihtavuori Powder N570 Lapua (690 mm; 27.15 inches) barrel [1] [2] [3] The .338 Lapua Magnum (8.6×70mm or 8.58×70mm) is a Finnish rimless, bottlenecked, centerfire rifle cartridge . It was developed during the 1980s as a high-powered, long-range cartridge for military snipers .
The 2008 Vihtavuori reloading guide states that, when loaded with heavy .30 caliber bullets and fired out of a 690 mm (27 in) barrel, the .300 Lapua Magnum has lower muzzle energy compared to the .338 Lapua Magnum.
Vihtavuori is a village in the municipality of Laukaa, Finland. It is located about 15 kilometers to the north from Jyväskylä , the largest city in the region of Central Finland , and about 7 kilometers from the center of Laukaa .
Powder manufacturers Accurate Arms, Hodgdon and Norma have also provide reloading data for the cartridge. ... Vihtavuori: N-140 & N-150: N-150, N-160 & N-560
6.5×55mm Swedish, also known simply as 6.5×55mm, 6.5x55 SE, 6.5x55 Swede, or in its native military as 6.5 mm patron m/94 (6.5 mm ptr m/94), meaning "6.5 mm cartridge model 94", referring to 1894, is a first-generation smokeless powder rimless bottlenecked rifle cartridge. The cartridge has most users in the Scandinavian countries, where it ...
The term tubular powder has been used to describe a broader range of European pyroxylin propellants such as the Vihtavuori powders. I'm unfamiliar with the history of Vihtavuori propellants, and concerned that this article's focus on United States production may encourage Template:Globalize tagging if renamed.
The .40 S&W (10.2×22mm) is a rimless pistol cartridge developed jointly by American firearms manufacturers Smith & Wesson and Winchester in 1990. [3] The .40 S&W was developed as a law enforcement cartridge designed to duplicate performance of the Federal Bureau of Investigation's (FBI) reduced-velocity 10mm Auto cartridge which could be retrofitted into medium-frame (9 mm size) semi ...
The .45 ACP, when loaded up to maximum standard pressures (none of these loads were listed as +P) will outperform .40 S&W in most weights. A quick look at the .45 GAP (which is loaded to .45 ACP +P pressures) shows that the 185 grain bullet is pushed to 1090 fps, for 488 ft. lbs. of muzzle energy; .45 ACP +P should be equal to or (since it can use a slightly slower, less dense powder) slightly ...