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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 ...
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 M1A1 Box that replaced it (June 1945 – 1950s and phased out in the early 1960s) was a little taller (11" Length × 3-13/16" Width × 7-19/32" Height), had a more durable rubber gasket, and held 250 belted or 275 linked rounds of .30-06 ammo. The M1A1 model can be distinguished from the earlier M1 by the different embossed text, which ...
Determination of corrosive or non-corrosive characteristics based on the primer type should consider these final headstamp dates of corrosive ammunition production: [33].45 ACP: FA 54, FCC 53, RA 52, TW 53, WCC 52, WRA 54.30-06 Springfield: FA 56, LC 52, RA 51, SL 52, TW 52, WCC 51, WRA 54; FN 57 [34]
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.
Initial production just remanufactured old military-surplus brass cases with new RWS-made non-corrosive Berdan primers. They then mated them with Taipan-manufactured bullets to make cheap .303 Imperial and 7.62mm NATO ammo. "UPDATE 30/11/2020. The above information is totally incorrect.
The M25 is an orange-tipped 30-06 Springfield tracer cartridge consisting of a 145 gr bullet with 50 grains of IMR 4895 powder. The tracer compound contains composition R 321 which is 16% polyvinyl chloride, 26% magnesium powder, and 52% strontium nitrate.
Ammunition produced prior to World War I was dated with the numerical month-year headstamp, such as "8 79" or "2 12", indicating August 1879 or February 1912 as the date of manufacture. [ 5 ] Match-grade 7.62 mm (.308) cartridge cases were manufactured in limited quantities.