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The 6.8mm Remington Special Purpose Cartridge (6.8 SPC, 6.8 SPC II or 6.8×43mm) is a rimless bottlenecked intermediate rifle cartridge that was developed by Remington Arms in collaboration with members of the U.S. Army Marksmanship Unit and United States Special Operations Command [6] to possibly replace the 5.56 NATO cartridge in short barreled rifles (SBR) and carbines.
The primary difference between the U.S. Army and the U.S. Marine Corps rifles is that while the U.S. Marine Corps M40 variants use the short-action version of the Remington 700/40x (which is designed for shorter cartridges such as the .308 Winchester/7.62×51 mm NATO), the U.S. Army M24 uses the Remington 700 Long Action. [25]
Thousands of Remington Model 700 customers have complained to Remington that a defect in the trigger mechanism could fire the gun without the trigger being squeezed. [31] [32] Remington received nearly 2,000 complaints from 2013 through 2016 [32] and 150 lawsuits have been filed against Remington alleging injury or death related to the trigger ...
The .17 Remington is based on the .223 Remington case necked down to .172 in (4.37 mm), with the shoulder moved back. [5] [6]Extremely high initial velocity (over 4,000 ft/s 1,200 m/s), flat trajectory and very low recoil are the .17 Remington's primary attributes.
.260 Remington SAAMI compliant schematic. All dimensions in inches [millimeters]. SAAMI recommends a barrel with a 6 groove contour and a twist rate of one revolution every 9 in (229 mm) with each groove having a width of .095 in (2.41 mm). The recommended bore diameter is .256 in (6.50 mm) and the groove diameter is .264 in (6.71 mm).
Miller twist rule is a mathematical formula derived by American physical chemist and historian of science Donald G. Miller (1927-2012) to determine the rate of twist to apply to a given bullet to provide optimum stability using a rifled barrel. [1]
The twist rate for the other standard chamberings are; 7mm-08 Remington 241 mm (9.5 in), .260 Remington 229 mm (9 in), and 6.5×47mm Lapua 203 mm (8 in). The Intervention barrels are available in all the chamberings mentioned above. The Commando I and II barrels are available in 7.62×51mm NATO and 7mm-08 Remington, whilst the Integral ...
The Model 11-87 is a gas operated semi-automatic shotgun.Upon firing a shell, some of the high-pressure gases from the burning propellant are diverted through two small holes under the barrel, [2] forcing the bolt toward the buttstock, which in turn ejects the spent shell.