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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.
Rimmed version of the .308 Winchester, for use in lever-action rifles. .308 Marlin Express: 2006 US 1 [4] R [5] 7.62×48mm 2800 [4] 2514 [4] 1.796 47.7 [10] 0.308 [10] 0.395 [5] 48mm Based upon a slightly shortened .308 Winchester cases with FTX bullets and special powder to approach .308 ballistics from a Marlin lever-action rifle. .308 Norma ...
Ballistics by the Inch (often called BBTI) was a project to test the performance characteristics of a variety of common handgun calibers/cartridges. The initial testing was done in 2008 and tested the velocity of 13 common handgun cartridges as it related to firearm barrel length.
Commercially, reduced-power .277 Fury Elite ball FMJ ammunition using non-hybrid conventional cartridge cases is offered, that fires a 135 grains (8.7 g) projectile with a G1 ballistic coefficient of ≈ .475 at a muzzle velocity of 2,750 feet per second (838 m/s) from a 16-inch (406 mm) barrel.
The 6.5-284 has been used extensively in benchrest competitions and is known as an extremely accurate long range round. Using an improved version of the 6.5-284, Rich DeSimone set a 1,000-yard (914.4 m) world record with a 1.564-inch (39.73 mm) group. [4]
The effective length of the barrel (from breech to muzzle) is divided by the barrel diameter to give a dimensionless quantity. [2]: 81 For example, the main guns of the Iowa-class battleships can be referred to as 16"/50 caliber. They are 16 inches in diameter and the barrel is 800 inches long (16 × 50 = 800).
SAAMI recommends that the barrel have a 6 groove contour with a twist rate of one revolution in 10 in (250 mm). The barrel is to have a groove width of .115 in (2.9 mm). Bore is given as .300 in (7.6 mm) and a groove is .308 in (7.8 mm). Maximum case overflow capacity is 122.5 gr. of water (7.30 cm 3). SAAMI recommended Maximum Average Pressure ...
.243 Winchester with a 1:7.7 twist, 26 in (66 cm) barrel, weighing 11 lb (5.0 kg) A newer Ruger Precision Rifle "Gen 2" was announced on 6 May 2016 with several enhancements over the original. [ 4 ] The new version includes a new handguard, a hybrid muzzle brake (5/8-24 threaded) , and a billet aluminum bolt shroud.