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When the competitor arrives at the chronograph station, they provide their pistol and an empty magazine to the Range/Safety Officer who loads a number of rounds into the magazine and fires them through the chronograph to determine the ammunition's velocity. The power factor is verified against the competitor's claimed power factor.
The maximum point blank range (MPBR) for the 450-grain (29 g) Weatherby load is 258-yard (236 m). The 500-grain (32 g) Weatherby factory ammunition has a maximum point blank range of 245-yard (224 m). These trajectories compare well with those of the .375 H&H Magnum. At 200 yd (180 m) Hornady's Interlock .375 H&H Magnum's 270 gr (17 g) bullet ...
The program assigns a rating to each primer analyzed. [5] The rating is based on the proximity of the thermodynamic parameters to their ideal scores. In addition to the primer quality, its molecular weight and optical activity (both in nmol/A260 and μg/A260) are also presented for quantitation. Primers are analyzed for their GC% (Guanine ...
In comparison to the popular 9×19mm Parabellum, Winchester had lengthened the overall case by 4 mm and made it much stronger. They named it the 9×23mm Winchester. In comparison to the long-established .38 Super Auto, also a 9×23mm, the new cartridge was rimless rather than semi-rimmed. Drawing of 9×23 Winchester cartridge.
Handloaders have worked up safe loads using 180 gr (12 g) bullets at 1,250 ft/s (380 m/s) making it an adequate round for hunting some medium game at close distances. [ 13 ] For practical shooting competitors, the .400 Corbon makes IPSC Major Power Factor of 175 and surpasses the IDPA Enhanced Service Pistol's Power Floor of 125,000 in most ...
For comparison, Hornady's 9249 load for the .500 S&W Magnum cartridge offers slightly less energy at the muzzle, achieving 2,868 ft⋅lbf (3,888 J) by driving a 300 grain (19 g) FTX bullet at 2,075 ft/s (632 m/s). Buffalo Bore's loading for the .500 S&W cartridge offers much less energy at the muzzle, achieving only 2,579 ft⋅lbf (3,497 J) by ...
Winchester introduced the .32SL and .35SL in the Winchester '05 self-loading rifle as a centerfire cartridge version of the Winchester '03.The .35SL proved popular at first with the general public as a short-range deer and black bear hunting cartridge, but was soon superseded by the introduction of the more powerful .351SL in the Winchester '07.
This comparison is not totally objective since the 8mm Remington Magnum operates at 460 MPa (66717 psi), the .325 Winchester Short Magnum at 435 MPa (63,091 psi), the 8 × 68 S at 440 MPa (63817 psi), the 8×64mm S at 405 MPa (58740 psi) and the 7.92×57mm Mauser at 390 MPa (56564 psi) maximum chamber piezo pressure. Higher chamber pressure ...