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Similarly to SLAP rounds (saboted light armor penetrator) which get their armor-piercing ability from the propulsion of a 7.62 mm tungsten heavy alloy bullet from a 12.7 mm barrel (.50 caliber) using a sabot with much more energy than is usually possible from a 7.62 mm round, HEIAP munitions utilize a similar theory with an added explosive ...
The KSVK is a bullpup-configured, bolt-action, magazine-fed rifle.It is equipped with a muzzle device which acts as a muzzle brake.. The KSVK is equipped with standard Russian side-mounted scope rail (dovetail), and can be fitted with variety of day and night scopes.
An overview of 7mm caliber cartridges, their history, and uses in firearms.
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.
Winchester claims a muzzle velocity (MV) of 3,225 ft/s with a 140 grain bullet for their 7mm WSM cartridge; the claimed muzzle energy (ME) is 3,233 ft. lbs. With a 160 grain bullet the Winchester figures are 2990 ft/s and 3176 ft. lbs. at the muzzle. The lighter, shorter 7mm bullets are preferred in these short case magnums. [2]
The slower-burning deflagration action results in a characteristic fragmentation pattern with large pieces dispersed in a 30-degree cone. [5] The Mk 211 is a very popular .50 caliber sniper round used in the Barrett M82 rifle and other .50 BMG rifles. [4] It is also often used in heavy machine guns such as the M2 Browning, but not the M85.
Two sets of spring buffers are mounted around the receiver. The barrel is fitted with improved muzzle brake. Comparing to QJZ-89, the spread of QJZ-171 is improved to 10 cm (3.9 in) at 200 m (656.2 ft), and it can reliably hit targets with a radius of 24 cm (9.4 in) at 200 m (656.2 ft). At 1,000 m (3,280.8 ft), the gun can engage vehicle-sized ...
The 12.7 × 108 mm has 22.72 ml (350 grains) H 2 O cartridge case capacity. 12.7 × 108 mm maximum cartridge dimensions. [citation needed] All sizes in millimeters (mm). Americans define the shoulder angle at alpha/2 ≈ 18.16 degrees. According to guidelines the 12.7 × 108 mm case can handle up to 360 MPa (52,213 psi) piezo pressure.