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The .510 Whisper / 13x47mm is a subsonic rifle cartridge developed by SSK Industries for use in suppressed rifles. [3] It is capable of firing a .51 caliber bullet weighing 750 gr (49 g) at roughly 1,050 ft/s (320 m/s).
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 ...
Subsonic ammunitions are ammunitions designed to operate at velocities below the speed of sound (Mach 1), which at standard conditions is 340.29 m/s (1,116.4 ft/s). This avoids the supersonic shockwave or "crack" of a supersonic bullet, which, particularly for suppressed firearms, influences the loudness of the shot.
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.
Georgia quarterback Carson Beck announced Saturday that he will forgo his final year of eligibility and enter the 2025 NFL Draft. Beck, 22, led the Southeastern Conference with 28 touchdown passes ...
Subsonic loads are often designed to avoid the turbulent transonic zone (~900ft/s - 1350ft/s or 0.8 to 1.2 mach) entirely. This allows the firearm to be suppressed relatively easily. To ensure terminal performance at subsonic velocities, heavy bullets for the caliber (250–300 grains (16–19 g)) are desirable. Of course the silent, subsonic ...
Federal prosecutors accused top real estate agents Tal and Oren Alexander and their brother, Alon, of drugging and raping “dozens of victims” over more than a decade.
A North Carolina father was arrested Monday after allegedly storming into a high school and choking a teenage student in a caught-on-video attack. Quinton Lofton, 43, was charged with felony ...