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The rimmed .375 H&H Flanged Magnum for double-guns and the .375 H&H Belted Rimless Magnum with a headspacing belt for magazine-fed rifles were released simultaneously in 1912. .375 Ruger: 2007 US 1 [4] R [5] 9.5×65.5mm 2840 [4] 4835 [4] 3.405 90.5 [10] 0.375 [10] 0.430 [5] 65.5mm Developed in collaboration between Ruger and Hornady. [citation ...
Since then Hornady has also made a 265 grain (17.2 g) interlock "light magnum" that boosts velocity to nearly 2,350 ft/s (720 m/s) and 3,140 ft⋅lbf (4,260 J) of energy at the muzzle. Hornady's latest offering for this caliber is its new Leverevolution ammunition that has a soft polymer spire point that can be safely loaded in tubular magazines.
The .450 Bushmaster is descended from the Thumper concept popularized by the gun writer Jeff Cooper.Cooper was dissatisfied with the small-diameter 5.56×45mm NATO (.223 Remington) of the AR-15, and envisioned a need for a large bore (.44 cal or greater) cartridge in a semi-automatic rifle to provide one-shot kills on big-game animals at 250 yards.
Joyce W. Hornady began manufacturing bullets in the spring of 1949 with a .30 caliber 150 gr (9.7 g) spire point selling for $4.50 per hundred. Within a year Hornady was producing thirteen different bullets in five different calibers. The Korean War caused material shortages limiting early production.
Despite the ".44" designation, guns chambered for the .44 Magnum round, its parent case, the .44 Special, and the .44 Special's parent case, the .44 Russian all use 0.429 in (10.9 mm) diameter bullets. [3] The .44 Magnum is based on the .44 Special case but lengthened and loaded to higher pressures for greater velocity and energy.
The .450 Marlin is a firearms cartridge designed as a modernized equivalent to the .45-70 cartridge. It was designed by a joint team of Marlin and Hornady engineers headed by Hornady's Mitch Mittelstaedt, [4] and was released in 2000, with cartridges manufactured by Hornady and rifles manufactured by Marlin, mainly the Model 1895M levergun.
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 ...
This 200-grain .338" projectile is able to impart significantly more energy than the 160 gr projectile used in the .308 Marlin Express, despite similar muzzle velocities. Furthermore, the projectile's high ballistic coefficient allows the .338 Marlin Express to maintain velocity to greater distances than big bore lever cartridges such as .45-70 ...