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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.
7mm Shooting Times Westerner. The 7mm Shooting Times Westerner, sometimes referred to as the 7mm STW, began as a wildcat rifle cartridge developed by Layne Simpson, Field Editor of Shooting Times, in 1979. [ 3] It is an 8mm Remington Magnum case that has been "necked down" (narrowing the case opening) by 1 mm to accept 7 mm (.284 in) bullets.
The .280 British was an experimental rimless bottlenecked intermediate rifle cartridge. It was later designated 7 mm MK1Z, and has also been known as .280/30, .280 Enfield, 7 mm FN Short and 7×43mm . Like most armed forces in the immediate post- World War II era, the British Army began experimenting with lighter rounds after meeting the German ...
3,025 ft/s (922 m/s) 3,555 ft⋅lbf (4,820 J) Test barrel length: 26". The 7mm Remington Ultra Magnum or 7mm RUM is a 7mm rifle cartridge introduced by Remington Arms in 2001.
The BL 7.2-inch howitzer Mk 6 (there was a shift from Roman numerals) retained the Carriage M1 of the Mk V but had a new 7.2-inch 6 ft 5 in (1.96 m) longer barrel than previous marks and a fifth charge was added to the ammunition. The longer barrel and extra charge provided an increase in range to 19,600 yd (17,900 m) and the new carriage also ...
7mm Remington Magnum. The 7mm Remington Magnum rifle cartridge was introduced as a commercially available round in 1962, [ 2] along with the new Remington Model 700 bolt-action rifle. It is a member of the belted magnum family that is directly derived from the venerable .375 H&H Magnum. [ 3] The original purpose of the belted magnum concept ...
The 7mm Weatherby Magnum is a very adequate cartridge for hunting medium to large-sized deer such as mule deer, wapiti and moose, up to long ranges due to its plain trajectory with bullets of different weights and due to the high ballistic coefficient the 7mm bullets are praised for. However, with adequately constructed bullets, the 7mm Wby Mag ...
A standard metric (concrete) block is 190 mm wide, 390 mm long, and 190 mm high, which allows for 10 mm mortar joints in between bricks, giving a standard unit size of 200 mm square by 400 mm long. A standard metric brick is 90 by 57 by 190 mm; with 10 mm of mortar, that produces a standard unit of 100 mm x 200 mm.