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The 7.62×39mm (also called 7.62 Soviet, formerly .30 Russian Short) [5] round is a rimless bottlenecked intermediate cartridge of Soviet origin. The cartridge is widely used due to the global proliferation of the AK-47 rifle and related Kalashnikov-pattern rifles, the SKS semi-automatic rifle, and the RPD/RPK light machine guns.
The 6.5 Grendel bullets have a true diameter of 6.71mm / 0.264" and the 6.5 Grendel case can be formed from abundant 7.62x39 cases with a neck re-sizing die, and fire-forming a slight change to the shoulder, if the case is made from brass. Many of the popular 7.62x39 cases are made from steel, which will not work for reforming the shoulder.
The 7.62 mm designation refers to the internal diameter of the barrel at the lands (the raised helical ridges in rifled gun barrels). The actual bullet caliber is often 7.82 mm (0.308 in), although Soviet weapons commonly use a 7.91 mm (0.311 in) bullet, as do older British (.303 British) and Japanese (7.7×58mm Arisaka) cartridges.
The C.I.P. lists the projectile diameter as 7.83 mm (.311–.312 caliber), which is the same bullet diameter as the British .303 British cartridges and Soviet ".30 caliber" rounds like 7.62×39mm. .308 Winchester(7.62 mm)-size bullets are safe and usable but would not necessarily be the most accurate. Reloading in this chambering is a nuisance ...
QuickLOAD/QuickTARGET 3.6 version and up is compatible only with the Microsoft Windows 7 to Windows 11 operating system. The software suite can be used with metric units and imperial units/United States customary units and was created and is maintained by mechanical engineer Mr. Hartmut G. Brömel in Babenhausen, Germany.
WOLF Performance Ammunition is a trademark associated with Sporting Supplies International (SSI), a corporation founded in the United States in 2005. Most of their ammunition is primarily being manufactured by the Tula Cartridge Plant in Tula, Tula District, Russia, from 2005 to 2009.
The 7.62×54mmR has a 4.16 mL (64 gr H 2 O) cartridge case capacity. The exterior shape of the case was designed to promote reliable case feeding and extraction in bolt-action rifles and machine guns alike, under challenging conditions. 7.62×54mmR maximum C.I.P. cartridge dimensions. All sizes in millimeters (mm). [5]
Example of a ballistic table for a given 7.62×51mm NATO load. Bullet drop and wind drift are shown both in mrad and MOA.. A ballistic table or ballistic chart, also known as the data of previous engagements (DOPE) chart, is a reference data chart used in long-range shooting to predict the trajectory of a projectile and compensate for physical effects of gravity and wind drift, in order to ...