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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 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.
.30–30 Winchester case, stages in the drawing process, book; from Hamilton [14] Beginning in the 1860s, early metallic cartridges (e. g. for the Montigny mitrailleuse [ 15 ] or the Snider–Enfield rifle [ 16 ] ) were produced similarly to the paper cartridges, with sides made from thick paper, but with copper (later brass) foil supporting ...
This big leap forward came at a price. It introduced an extra component into each round – the cartridge case - which had to be removed before the gun could be reloaded. While a flintlock, for example, is immediately ready to be reloaded once it has been fired, adopting brass cartridge cases brought in the problems of extraction and ejection.
In Norway there have been several examples of .308 Winchester cartridges being fired in Norwegian K98k surplus rifles rechambered for .30-06 Springfield. In Norwegian military nomenclature the first is called 7.62×51 mm (nicknamed " 7.62 kort ", literally '7.62 short'), while the latter is called 7.62×63 mm (nicknamed " 7.62 lang ", literally ...
Components of a modern bottleneck rifle cartridge. Top-to-bottom: Copper-jacketed bullet, smokeless powder granules, rimless brass case, Boxer primer.. Handloading, or reloading, is the practice of making firearm cartridges by manually assembling the individual components (metallic/polymer case, primer, propellant and projectile), rather than purchasing mass-assembled, factory-loaded ...
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In 1953, large batches of .30-06 ammunition were manufactured under unique arsenal headstamps. [4] The case had red lacquer sealant around the primer annulus. [4] The headstamp has a two-letter manufacturer code (10- and 2-o'clock) and the lot code (rather than the year) is the number 40 (at 4 o'clock) followed by a third numeral (at 8 o'clock ...