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During World War I, the production of commercial ammunition was curbed and total capacity was dedicated to manufacture rifle and handgun cartridges for the army. The Steyr 9 mm cartridge was developed and introduced to serial production during this period.
The "rosettes" (a reversed arrowhead superimposed atop a circle, representing a rifled gunbarrel) indicate the use of Neroxin non-corrosive primers, S&B's proprietary brand. S&B, SB Sellier & Bellot (1825–1936; 1983–present) – Prague, Czechoslovakia (now Czech Republic). On the headstamp the "S&B" is at the 12 o'clock position.
Cartridges are made in various countries, including Russia, Ukraine, Romania, Bosnia and Herzegovina, and Poland. One manufacturer of RAS cartridges is Lugansk Cartridge Works , in Lugansk, Ukraine and its headstamp code is the letters " L U ".
The .303 British (designated as the 303 British by the C.I.P. [2] and SAAMI [3]) or 7.7×56mmR, is a .303-inch (7.7 mm) calibre rimmed tapered rifle cartridge.The .303 inch bore diameter is measured between rifling lands as is the common practice in Europe which follows the traditional black powder convention.
A spitzer bullet (from German: Spitzgeschoss, "point bullet") is a munitions term, primarily regarding fully-powered and intermediate small-arms ammunition, describing bullets featuring an aerodynamically pointed nose shape, called a spire point, sometimes combined with a tapered base, called a boat tail (then a spitzer boat-tail bullet), in order to reduce drag and obtain a lower drag ...
Theories abound: it was made for use by Chinese-backed insurgents, it was designed to get in on the surplus ammo market, or it was designed to make users leery of Western-made surplus ammunition and get them to buy new foreign-made ammo. LC 52 Chinese copies of American .30 Carbine ammo with forged Lake City (headstamp "LC") markings. The ...
The Enhanced Performance Round was made to nearly match the trajectory of the M855 to aid in training consistency—the SS109/M855 ballistic coefficient (G7 BC) of 0.151 was improved to 0.152 for the M855A1 [143] —but the ranges to get desired effects are greatly extended. [144]
The idea dates back to the late 1940s, when an ambitious programme to develop a new cartridge and new class of rifle was launched in the United Kingdom based on combat experience drawn from World War II. Two 7mm (.280 in) prototypes were built in a bullpup configuration, designated the EM-1 and EM-2. The latter was brought into service briefly ...