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The .30-06 Springfield cartridge case can hold 68.2 grains and has a volume of 4.42 millilitres (0.270 in 3). 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. [citation needed].30-06 Springfield maximum C.I.P. cartridge dimensions.
The 30-06 Springfield cartridge (pronounced “thirty-ought-six”, "thirty-oh-six") or 7.62×63mm in metric notation, was introduced to the United States Army in 1906 (hence “06”) where it was in use until the late 1970s. It remains a very popular sporting round, with ammunition produced by all major manufacturers.
The .30-06 Springfield M1906 service ammunition long-range performance was originally overstated. When the M1906 cartridge was developed, the range tests had been done to only 1,800 yd (1,646 m); distances beyond that were estimated, but the estimate for extreme range was wrong by almost 40 percent. [ 41 ]
It made 7.92mm Mauser, .30-06 Springfield, and 7.62mm NATO ammunition for the military and .303 British rifle ammunition for the civilian market. Packaging lists the date in the Ethiopian calendar year (7 to 8 years less than that of the Gregorian calendar ), while the cartridge headstamp uses the Common Era year.
After the .276 Garand rifle was selected over the Pedersen rifle, General Douglas MacArthur came out against changing rifle cartridges, since the Army had vast stockpiles of .30–06 ammunition left over from World War I, the .30-06 would have to be retained for machine gun use, and one cartridge simplified wartime logistics.
The .30-03 Springfield (7.62×65mm) was a short-lived cartridge developed by the United States in 1903, to replace the .30-40 Krag in the new Springfield 1903 rifle. The .30-03 was also called the .30-45, since it used a 45 grain (2.9 g (0.10 oz)) powder charge; the name was changed to .30-03 to indicate the year of adoption. [ 2 ]
The .30-06 JDJ is an improved form of the .30-06 Springfield cartridge designed for use in the Thompson Center Arms Encore platform. The body taper of the parent cartridge has been almost entirely eliminated in the JDJ design. The shoulder has also been blown forward considerably, with the angle sharpened to 60 degrees.
The Springfield Model 1892–99 Krag–Jørgensen rifle is a Norwegian-designed bolt-action rifle that was adopted in 1892 as the standard United States Army military longarm, chambered for U.S. caliber .30-40 Krag cartridges.