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H335 was surplus Olin WC844 [11] for full-charge loads in the .223 Remington and .308 Winchester. [14] H380 was Olin WC852 [11] for full-charge loads in the .30-06 Springfield. [14] H414 was introduced in 1967 [1] for full-charge loads in the .270 Winchester and .30-06 Springfield [14] H450 was for large capacity and magnum rifle cartridges. [14]
The Whisper family was developed as a line of accurate, multi-purpose cartridges using relatively heavy rifle bullets for a given caliber in subsonic loads. [1] [2] [3] The intention was to create an extremely accurate cartridge family for military, police, competition and specialized hunting markets that could also be easily sound suppressed.
The .308 Winchester has a 3.64 mL (56 gr H 2 O) cartridge case capacity. [9] The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under extreme conditions. .308 Winchester maximum C.I.P. cartridge dimensions. All dimensions in millimeters (mm) and inches.
They can use this cartridge to create powerful loads by handloading, while staying within the 448 MPa (65000 psi) SAAMI piezo pressure limit. Combined with bullets with jackets designed for magnum cartridge muzzle velocities, and barrels of 650 mm (25.6 in) or longer to promote high muzzle velocities, the 8mm Remington Magnum offers the ...
The .308 × 1.5" Barnes, a wildcat from noted cartridge author Frank Barnes made by simply necking a .308 Winchester back to 1.5 inches (38 mm) in length (38.1 mm) is probably the best example of a wildcat that has spawned many other successful wildcats. The .308 x 1.5" case is available from a number of case manufacturers and differs from a ...
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For example, if the muzzle velocity is reduced from 2,700 ft/s (820 m/s) (common for the .308 Winchester, for example) to a subsonic 950 ft/s (290 m/s), the muzzle energy is reduced by a factor of 8. Military marksmen and police units may use subsonic ammunition in suppressed rifles when minimal noise is more important than range and energy.